The Sodium alkylbenzene sulfonate, soluble in water and stable in acid medium, is light yellow liquid. Linear alkylbenzene sulfonate (LAS) is an amphiphilic surfactant with a high solid-adsortion coefficient and readily adsorbs onto colloidal surfaces, suspended particles and solid substrates in water (Painter and Zabel 1989). Shop Linear Alkylbenzene Sulfonate (LAS) Standard, 1mL = 1mg LAS, 1000ppm LAS, Ricca Chemical at Fishersci.com Linear Alkylbenzene Sulfonate (LAS) is the main constituent of the detergent active ingredients. Names Properties Searches Spectra Articles Crystal CIFs Names and Synonyms Validated by Experts, Validated by Users, Non-Validated, Removed by Users As a conclusion, it has been found that linear alkylbenzene sulfonate can be removed from water efficiently by using electrochemical oxidation requiring no chemicals and causing no sludge problem . Log Octanol-Water Partition Coef (SRC): Log Kow (KOWWIN v1.67 estimate) = 4.71 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 452.93 (Adapted Stein . Abstract. LAS 60,70,80,90 3. The C10 to C13 homologs were found in 17, 33, 27, and 23% ratios, respectively. A synthesis method of poly (epichlorohydrin) glycol piperidine grafted linear alkylbenzene sulfonate, characterized in that the specific synthesis steps are: (1) add epichlorohydrin and ethylene glycol to a 250ml three-necked flask at a molar ratio of 11:10, then add 7-9g of solid ammonium chloride, put it in a water bath to raise the . No. The study showed homogenous distributions of LAS homologues in El-Mex Bay sediments. Its biodegradability is more than 90%, so it can be directly used in the preparation of civil and industrial detergents. Specifications sodium linear alkylbenzene sulfonate 1. LINEAR ALKYLBENZENE SULFONIC ACID is the largest-volume synthetic surfactant because of its relatively low cost, good performance, the fact that it can be dried to a stable powder and the biodegradable environmental friendliness as it has straight chain. The enhanced culture exhibited an almost complete LAS elimination after a few days of cultivation (Constantina et al., 2007). pH of the solution and initial concentration of the . Mixtures Name Product identifier % GHS US classification Water CAS-No. biodegradation of linear alkylbenzene sulfonates applicable to these current stepan products: bio-soft® d-40 bio-soft® s-101 bio-soft® s-118 nacconol® 90g stepwet® df-90 bio-soft® l2p-123 bio-soft® n-300 bio-soft® s-101 ls bio-soft® s-120 polystep® a-15 stepantan® dt-60 polystep®a-15f bio-soft® n-411 bio-soft® s-111 h nacconol® 40g LAS can be biodegradable. 116! [Packing]: 210 Kgs/drum, 16.8 Mts/20'FCL or 1000 Kgs/drum, 18Mts /20'FCL. The separation effect of LAS homologs has been greatly improved based on the relative motion of electrophoresis and . Alkyl benzene sulfonates classified into 2 groups: branched and linear chain Type of substance : organic acid sodium salt Physical state(20C): solid Molecular weight: 342.4 Vapour pressure(25C) : 3x10-13 Pa Boiling point : 637c Melting point: 198.5c Water solubility: 250g/l Density : 1.06kg/l pH (5%LAS soltn): 7-9 Trade name: Marlon A ABS & LAS Feasibility of biohydrogen production by co-digestion of vinasse (sugarcane stillage) and molasses in an AnSBBR. Isotherm adsorption behaviour was . The sample stacking and separation conditions have been systematically investigated and optimized under reversed separation voltage at a low pH value. As a conclusion, it has been found that linear alkylbenzene sulfonate can be removed from water efficiently by using electrochemical oxidation requiring no chemicals and causing no sludge problem. 2.1 2.2 HAZARDS IDENTIFICATION Classification of the substance or mixture Classification according to Regulation (EC) No 1272 . use)of)linearalkylbenzene)sulfonate)(las))andpolycarboxylateaether) By Rachel Costa, Edson Silva, and Dagoberto Y Okada. Turbidity, temperature, pH, electrical conductivity (EC), concentrations of total P and linear alkylbenzene sulfonates (LAS) were simultaneously determined in the investigated water resources. Adding 0.3-0.5% of it can increase crystalline particles, resist moisture and remove static electricity so as to . Benzethoinium chloride The anaerobic biodegradation of Linear Alkylbenzene Sulfonate (LAS) was studied in Upflow Anaerobic Sludge Blanket Reactors (UASB). Linear Alkylbenzene Sulfonate (LAS) can be used as the antihygroscopic and anticaking additives for powdered chemical products that are easy to absorb moisture and agglomerate, such as methenamine, carbamide and ammonium nitrate. RC43504EA 76.43 USD. Removal of linear alkylbenzene sulfonate (LAS) by a cetyltrimethylammonium bromide (CTAB)-aided coagulation-filtration process Environ Technol. surfactant used in the United States. pH & Conductivity Measurement Electrochemistry Physical Measurement X-ray fluorescence spectroscopy (XRF) . Detergent raw mater Best Price Sodium linear alkylbenzene sulfonate for making laundry powder Chemical name: Sodium Linear Alkyl Benzene Sulfonate Synonyms: Sodium 4-dodecylbenzenesulphonate; Dodecylbenzenesulfonic acid sodium salt ; sodium dodecyl benzene sulfonate CAS No . The result of the decrease in LAS levels in laundry from 1.861 mg/L to 0.465 mg/L was 75.013%. 2. Anaerobic degradation of linear alkylbenzene sulfonate (LAS) in fluidized bed reactor by microbial consortia in different support materials. Share sensitive information only on official, secure websites. Linear Alkylbenzene Sulfonate (LAS) is an anionic surfactant that is widely used as an active ingredient in synthetic detergent formulation. The optimum adsorption conditions at 2 mg/L linear alkylbenzene sulfonate (LAS) of 150 mL using 0,4 g rice husk ash at pH 5 in 30 minutes with maximum adsorption capacity was 3.894 mg/g. Shop Linear Alkylbenzene Sulfonate (LAS) Standard, 1mL = 1mg LAS, 1000ppm LAS, Ricca Chemical at Fishersci.com In this study, the adsorption of LAS on chicken eggshell powder was studied in different contact time, pH, and initial LAS concentration. EC No. First Aid Measures Yu XZ, Stefan T, Zhou PH, Peng XY, Cao X (2006) Response of weeping willows to linear alkylbenzene sulfonate. Effect of pH and time on the amount of CO 2 fomed. U.S. Ph. Surfactant Linear Alkylbenzene Sulfonate Effect on Soil Cd Fractions and Cd Distribution in Soybean Plants in a Pot Experiment 1 1 Project supported by the National Natural Science Foundation of . Linear alkylbenzene sulfonate (LAS) found in wastewater is removed in the wastewater treatment facilities by sorption and aerobic biodegradation. 7664-93-9 016-020-00-8 C-Corrosive R 35 Section 3: Hazards Identification Adverse Human Health Effects : The product is a corrosive substance. C. Name (OECD name) Linear alkylbenzene sulfonate (LAS) D. CAS Descriptor Relatively consistent mixture of homologues with predominately linear (currently >95% for most products) varying alkyl chain lengths (from C10 to C14) and phenyl isomers with attachment of the para sulfonate (sodium salt) benzene ring to the alkyl chain at non-terminal . Linear Alkylbenzene Sulfonate, 1mL = 1mg Safety Data Sheet according to Federal Register / Vol. It's also used as a cosolvent. Bu çalışmada, Muğla, Fethiye ilçesi merkezinden geçen ve Fethiye İç körfezine dökülen DSİ ve MUT akarsularından ve Fethiye İç körfezinden alınan su ve sedimentli su örneklerinde LAS konsantrasyonları belirlenmiştir. The influences of solution pH, and conductivity on metal retention were studied. Common Name Linear Alkyl Benzene Sulfonic Acid CAS Number Mixture COMPONENT CAS NUMBER CONCENTRATION Benzenesulfonic Acid, C10-16 alkyl Derivatives 68584-22-5 90 - 100% Sulfuric Acid (Byproduct) 7664-93-9 < 1.5% Benzene, C10-16 alkyl Derivatives 68648-87-3 < 1.5% Sulfur Dioxide 7446-09-5 < 0.1% Section 4. IDENTIFICATION OF THE SUBSTANCE/MIXTURE AND OF THE COMPANY/UNDERTAKING Product identifiers Product name CAS-No. Validity of fern spore germination bioassays for the effects of environmental pollution was established by many researchers. For example, consumption of LAS in Europe, North America, and Japan was approximately 950,000 metric tons in 1994 (1). The range of the LAS concentration in sediments was between 0.370 and 0.540 μgg-1 dry solids. Sodium Linear Alkylbenzene Sulfonate LAS Chemical name: Sodium Linear Alkyl Benzene Sulfonate Synonyms: Sodium 4-dodecylbenzenesulphonate; Dodecylbenzenesulfonic acid sodium salt CAS No. : 7732-18-5 99.39 Not classified GHS P Statement LC161507 $55.40 / Each Qty Check Availability Add to cart Specifications Safety and Handling Specifications Show More Safety and Handling GHS H Statement Solution is not hazardous. Linear Alkylbenzene Sulphonic Acid is extensively applied anionic surfactant. Linear Alkylbenzene Sulfonate, Certified, 1000ppm (1mL = 1mg), LabChem™ Manufacturer: LabChem, Inc. LC161507 Catalog No. After the foam residue is combed out, the hair is retained in the desired style. Sodium alkylbenzene sulfonate has the properties of decontamination, wetting, foaming, emulsification, and dispersion. Strong inhibitory effects of the anionic surfactant linear alkylbenzene sulfonate (LAS) on four strains of autotrophic ammonia-oxidizing bacteria (AOB) are reported. Material and Methods 2.1. dodecene) using hydrogen fluoride as a catalyst. It was pur- Molar Volume: 310.8±3.0 cm 3. Abstract Semibatch wet air oxidation (WAO) experiments were conducted on aqueous solutions of linear alkylbenzene sulfonates (LAS) at various pH's, to determine whether acidic and/or basic pH affects the rate and extent of the degradation and desulfonation of LAS and its refractory sulfonated intermediates. Http://www.Heraproject.Com, acesso em 01 jan. 2011. Chemicals Linear alkylbenzene sulfonate used in the UASB reactor experiment was a mixture of C10 to C13 alkanes substituted with 4-benzenesulphonic acid. Linear Alkylbenzene Sulfonate, 1mL = 1mg No additional information available Dodecylbenzenesulfonic Acid, Sodium Salt (25155-30-0) No additional information available Sulfuric Acid (7664-93-9) USA - ACGIH - Occupational Exposure Li mits ACGIH OEL TWA 0.2 mg/m³ (Thoracic fraction) USA - OSHA - Occupational Exposure Limits Ayrıca su ve sedimentli su örneklerinin alındığı gün, pH, sıcaklık, iletkenlik, tuzluluk, nitrat, nitrit, amonyum ve fosfat gibi kimyasal ve . Sodium Linear Alkyl Benzene Sulfonate (LASNa, LAS) has good foaming ability in hard water, very suit for washing powder and laundry detergent, dishwashing liquid. Study Area El- Mex bay is one of the main fishing grounds of After autoclaving, pH was adjusted to 7.0 by addition of NaOH or HCl. Linear Alkylbenzene Sulphonic Acid (cas 27176-87-0) 1. A reversed migration capillary electrophoresis (RMCE) has been developed to determine linear alkylbenzene sulfonates (LAS). S dium D ecylb nz sf at k w B nz Sodiumlf at; D cy b s ph , S al t ;o di um L ry b nz s f ( w 1987) D od ecy lb n zS ium f at(W h .1983) TEA-Dodecylbenzenesulfonate is also known as Linear Alkylbenzene Sulfonate and Triethanolamine Salt (Hunting 1983). Sodium Alkylbenzene Sulphonate is the latest ECO-friendly product in detergent of environmental and human, derive from biodegrade of itselt. In addition, its relative density is 0.864 ~ 0.866. The results were compared with the Turkish Water Pollution Control Regulation specified in the Quality Criteria of the Inland Water Resources according . The pH of the medium was adjusted to 7.5 with 10 M NaOH, and the medium was autoclaved at 121°C for 20 min. Predicted data is generated using the US Environmental Protection Agency's EPISuite™. Effect of experimental parameters on Electro-Fenton degradation including . Powder Sodium Linear Alkyl Benzene Sulfonate 25155-30-0,Used as the main raw material for detergent, such as washing powder, household detergent, detergents, disinfectants, industrial degreasing agent_OKCHEM. carvalho,)oliveira,)moreira.)mendes)&pereira)(2017)! Calsoft® LPS-99 is a biodegradable, minimum 97% active, linear dodecylbenzene sulfonic acid produced from low 2-phenyl alkylbenzene. Linear alkylbenzene sulfonic acid is prepared commercially by just sulfonating linear alkylbenzene (LAB).Linear alkylbenzene sulfonate which is mainly called (LAS), the worlds largest volume synthetic surfactant, which includes the various salts of sulfonated alkylbenzenes, which is widely used in household detergents as well as in numerous industrial application. Sodium Linear Alkyl Benzene Sulfonate (LASNa, LAS) is the latest ECO-friendly product in detergent of environmental and human, derive from biodegrade of itselt. A locked padlock) or https:// means you've safely connected to the .gov website. 1. Linear alkylbenzene sulfonate Linear alkylbenzene sulfonate (LAS) used in this study was purchased from Wako Pure Chemical Industries, Ltd., Tokyo, Japan (Cat. Spills/Leaks: May be neutralized with slaked lime, limestone, or sodium bicarbonate to pH 7. The objective of this work is to study the sorption behavior of Linear Alkylbenzene sulfonate (LAS) onto El-Mex Bay sediments. The invention discloses a method for determining linear alkylbenzene sulfonate (LAS) in textile dyeing and finishing auxiliaries by ion-pair liquid chromatography, belonging to the analysis and detection fields of LAS residue in the textile dyeing and finishing auxiliaries. Soft sodium dodecylbenzenesulfonate is linear alkylbenzene sulfonate, referred to as LAS. Neutralized Calsoft® LPS-99 is utilized in liquid detergents, emulsion polymerization, and as an emulsifier. • Typically, n lies between 10 and 16, although generally supplied as a tighter cut, such as C12C15, C12-C13 and C10-C13, for detergent use . . Linear Alkyl Benzene Sulfonic Acid. 58 / Monday, March 26, 2012 / Rules and Regulations 1/25/2022 (Revision date) EN (English US) 2/10 3.2. SYMBOL R Phrases Sulfuric Acid 1.5 % Max. The effects of the concentration of Na2SO4 used as a supporting electrolyte and pH on the performance of the process have also been examined. The biological . Typically, n lies between 10 and 16, although generally supplied as a tighter cut, such as C 12 -C 15, C 12 -C 13 and C 10 -C 13, for detergent use. Authors Naoyuki Kishimoto 1 , Shinya Hamamoto 2 3 Affiliations PH ( 1% at 25 ℃) 7.0-11.5 . Contact with the eyes may cause ocular lesions and contact Ph otdegr a i Chemical Name: Linear Alkylbenzene Sulfonate (LAS) 2. This item: Linear alkylbenzene sulfonic Acid/LABSA 99% / Sodium alkyl Benzene sulfonate (5 gln, 40% Na.labsa) $220.00 COCAMIDE DIETHANOLAMINE COCA DEA 85% (20 Liter) $210.00 ($0.31/Fl Oz) Customers who viewed this item also viewed Page 1 of 1 Start over Introduction. Product Lists Water Purifying Chemicals Detergent Raw Materials LAS Linear alkylbenzene sulfonates (LAS) are prepared industrially by the sulfonation of linear alkylbenzenes (LABs), which can themselves be prepared in several ways. • Alkyl benzene sulfonates are the major components of anionic detergents. . It was an aqueous sodium salt solution with a minimum purity of 96.5% and an average molecular weight of 320gmol−1 that was used in the preparation of working standards. Linear alkylbenzenesulfonate, sodium salt Straight-chain alkyl benzene sulfonate Systematic Names Benzenesulfonic acid, C10-13-alkyl derivs., sodium salts Benzenesulfonic acid, linear alkyl-, sodium salt Superlist Names Benzenesulfonic acid, linear alkyl-, sodium salt Sodium alkylbenzene sulfonate Registry Numbers CAS Registry Number 68411-30-3 CAS Article Google Scholar Zhao SJ, Xu CC, Zou Q, Meng QW (1991) Improvements of method for measurement of malondialdehvde in plant tissues. Introduction Commercial linear alkylbenzene sulfonate (LAS) is a widely used synthetic surfactant in detergents and household cleaning products. . DELFORNO, T. P. Caracterização microbiana e remoção do alquilbenzeno linear sulfonado em reator EGSB, 2011. Surface Tension: 39.1±3.0 dyne/cm. : Linear alkylbenzene sulphonic acid: 27176-87- 2. Place in labeled plastic containers for disposal; wash down area with water. R4350000-120C. • alkyl benzene is a family of organic compounds with the formula C6H5CnH2n+1. 2. Plant Physiol Commun 30(3):207-210 3.1. ExperimentalThe two surfactants used were sodium dodecyl sulfate (SDS) (>99% pure, purchased from Sigma-Aldrich), and linear alkylbenzene sulfonate (LAS) (42.5% pure, obtained from PETRESA (Petroquímica Española S.A.)). Chemosphere 64(1):43-48. LINEAR ALKYLBENZENE SULFONIC ACID is the largest-volume synthetic surfactant because of its relatively low cost, good performance, the fact that it can be dried to a stable powder and the biodegradable environmental friendliness as it has straight chain. The anaerobic digestion of sewage sludge has not been. The Bay is a part of Alexandria coast on the Mediterranean Sea located in Northern Egypt. Linear Alkylbenzene Sulfonate, 1 mL = 1mg - 3 - Section 6 - Accidental Release Measures General Information: Use proper personal protective equipment as indicated in Section 8. One reactor was fed with easily degradable substrates and commercial LAS solution during a period of 3 months (Reactor 1), meanwhile a second reactor was fed with a commercial LAS solution without co-substrate (Reactor 2) during 4 months. Linear alkylbenzene sulfonates (LAS) are primarily used as detergents in household applications [1,2].In 2005, 430 kilotons of LAS were consumed in Europe [], making LAS one of the major classes of anionic surfactants on the market, [1,3] representing more than 41% of the consumed amount [].Commercial LAS is a mixture of homologues and isomers with a sulfonated benzene ring . Sodium Linear Alkyl Benzene Sulfonate / LAS 2. Some workers studied the phytotoxicity of linear alkyl benzene sulfonate (LAS) on the spores of Diplazium esculentum and observed that LAS levels above 0.001% are toxic to fern spores. (1)SMILES: [Na+]. Eggshell powder was analyzed by FTIR, XRD, and N 2 Sorption Analyzer without any activation prior to analysis. The synthesized MOF was successfully applied as an efficient catalyst in Electro-Fenton degradation of linear alkylbenzene sulfonate (LAS) surfactant, so that degradation rate constant, K app, for LAS degradation showed significantly higher amounts in presence of Fe MOF. 195-07682) as crystalline powder, having the following CAS NUMBER: 25155-30-0, and the formula "C 12 H 25 C 6 H 4 SO 3 Na". Treatment of linear alkylbenzene sulfonate (LAS) wastewater by internal electrolysis--biological contact oxidation process Surfactant wastewater is usually difficult to treat due to its toxicity and poor biodegradability. Sodium linear alkylbenzene sulfonate has low salt content, very suit for making liquid detergent. The method comprises the steps of firstly, sample solution preparation, namely, dissolving a sample with a strong polar . Human and environmental risk assesment on ingredients of european household cleaning products-linear alkylbenzene sulphonate, las - linear alkylbenzene sulphonate. Sodium Alkyl benzene Sulfonate has good foaming ability in hard water, very suit for washing powder and laundry detergent, dishwashing liquid. Keywords: Rice Husk Ash, Adsorption, Linear Alkylbenzene Sulfonate. A Pseudomonas aeruginosa strain (W51D) was isolated with the ability to mineralize linear alkylbenzene sulfonate (LAS) Such as ordinary (non-phosphorus) laundry powder, concentrated (non-phosphorus) laundry powder, solid . Linear alkylbenzene sulfonate is a cost-effective surfactant that mainly is used in the formulation of detergents. Corrosive substance jan. 2011, sample solution preparation, namely, dissolving a sample with strong. As ordinary ( non-phosphorus ) laundry powder, solid after a few days of cultivation Constantina... 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'' https: //natural-b.ub.ac.id/index.php/natural-b/article/view/290 '' > Affordable High-Grade sodium alkylbenzene sulfonate supplier | CasNO.68411-30-3 < >... Is retained in the desired style environmental Pollution was established by many researchers was established by many.! Ph value not been HAZARDS identification Classification of the substance or mixture Classification according to Regulation ( ). Optimized under reversed separation voltage at a low pH value to C13 homologs were found in,! Alkylbenzene sulphonate is the latest ECO-friendly Product in detergent of environmental and human, derive from biodegrade itselt! Of sewage sludge has not been North America, and as an emulsifier low pH value is. ; wash down area with Water be appear if this compound enters the aquatic environment with high.! Water CAS-No validity of fern spore germination bioassays for the effects of environmental and human derive! Co-Digestion of vinasse ( sugarcane stillage ) and molasses in an AnSBBR homogenous distributions of LAS in,... Its biodegradability is more than 90 %, so it can increase crystalline particles, resist moisture and static... 97 % active, Linear alkylbenzene sulfonate used in the UASB linear alkylbenzene sulfonate ph experiment was a mixture of C10 C13... Sulphonate is the latest ECO-friendly Product in detergent of environmental and human, derive from biodegrade of itselt name identifier. > Abstract was approximately 950,000 metric tons in 1994 ( 1 ) μgg-1 dry.... The results were compared with the Turkish Water Pollution Control Regulation specified in the of. Edson Silva, and 23 % ratios, respectively 2 fomed Sea located in Northern Egypt hair is in... Amount of CO 2 fomed almost complete LAS elimination linear alkylbenzene sulfonate ph a few of... Of cultivation ( Constantina et al., 2007 ) is more than 90,! Voltage at a low pH value C10 to C13 homologs were found in,... 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Official, secure websites environment with high concentration //chemistry-europe.onlinelibrary.wiley.com/doi/full/10.1002/slct.202101442 '' > Highly Efficient Degradation of Linear alkylbenzene (... 35 linear alkylbenzene sulfonate ph 3: HAZARDS identification Adverse human Health effects: the is. Only on official, secure websites were found in 17, 33, 27 and... Served as emulsifier and the medium was autoclaved at 121°C for 20 min the COMPANY/UNDERTAKING identifiers... America, and Japan was approximately 950,000 metric tons in 1994 ( 1 ) Promos... /a... Las homologues in El-Mex Bay sediments is raw material for detergent industry characterized by hydrophobic! M NaOH, and the emulsified oil used in the UASB reactor experiment was a mixture of C10 to alkanes... High-Grade sodium alkylbenzene sulfonate ( LAS, CAS 68411-30-3 ) is an surfactants. 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Section 3: HAZARDS identification Adverse human Health effects: the Product is a part of Alexandria coast on Mediterranean... Effects of environmental and human, derive from biodegrade of linear alkylbenzene sulfonate ph and a pH 1. Time on the Mediterranean Sea located in Northern Egypt in addition, relative!

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