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Sodium octyl sulfate

CAS No.
142-31-4
Chemical Name:
Sodium octyl sulfate
Synonyms
sos;S8;sipexols;duponol80;cyclorylos;Natriumoctylsulfat;sodiumcaprylsulfate;sodiumoctylsulphate;SODIUMISOCTYLSULFATE;OCTYL SODIUM SULFATE
CBNumber:
CB0166377
Molecular Formula:
C8H19NaO4S
Molecular Weight:
233.28
MDL Number:
MFCD00007470
MOL File:
142-31-4.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-27 17:20:34

Sodium octyl sulfate Properties

Melting point 195 °C (dec.) (lit.)
bulk density 470kg/m3
Density 1.04
vapor density 8 (vs air)
vapor pressure 0.31Pa at 20℃
Flash point 93.3°C
storage temp. no restrictions.
solubility H2O: soluble20mg/mL
form Coarse Powder
color White
PH 6-8 (10g/l, H2O, 20℃)
Odor Characteristic odour
Water Solubility soluble
λmax λ: 210 nm Amax: 0.1
λ: 220 nm Amax: 0.06
λ: 230 nm Amax: 0.04
λ: 260 nm Amax: 0.02
λ: 500 nm Amax: 0.02
BRN 3658635
Stability Stable. Incompatible with oxidizing agents.
Cosmetics Ingredients Functions SURFACTANT - HYDROTROPE
SURFACTANT - CLEANSING
VISCOSITY CONTROLLING
InChI 1S/C8H18O4S.Na/c1-2-3-4-5-6-7-8-12-13(9,10)11;/h2-8H2,1H3,(H,9,10,11);/q;+1/p-1
InChIKey WFRKJMRGXGWHBM-UHFFFAOYSA-M
SMILES [Na+].CCCCCCCCOS([O-])(=O)=O
LogP 3.269 (est)
CAS DataBase Reference 142-31-4(CAS DataBase Reference)
FDA UNII 6RZL727210
EPA Substance Registry System Sodium octyl sulfate (142-31-4)
UNSPSC Code 12352107
NACRES NB.21

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335-H303
Precautionary statements  P280a-P304+P340-P405-P501a-P261-P305+P351+P338
PPE dust mask type N95 (US), Eyeshields, Gloves
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36-37/39
WGK Germany  2
RTECS  WT1175000
TSCA  TSCA listed
HS Code  29209010
Storage Class 11 - Combustible Solids
Toxicity LD50 orally in Rabbit: 3200 mg/kg
REACH Registrations Active
NFPA 704
1
3 0

Sodium octyl sulfate price More Price(43)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich O4003 Sodium octyl sulfate ≥95% 142-31-4 1g $62.3 2026-04-30 Buy
Sigma-Aldrich 1.12268 Octyl sulfate sodium salt for surfactant tests 142-31-4 5G $222 2026-04-30 Buy
Sigma-Aldrich 75073 Sodium octyl sulfate for ion pair chromatography, ≥99.0% (T) 142-31-4 10g $575 2026-04-30 Buy
Sigma-Aldrich 1.12268 Octyl sulfate sodium salt for surfactant tests 142-31-4 500g $13510 2026-04-30 Buy
Usbiological 289535 Sodium octyl sulfate Asreported 142-31-4 5g $389 2026-06-03 Buy
Product number Packaging Price Buy
O4003 1g $62.3 Buy
1.12268 5G $222 Buy
75073 10g $575 Buy
1.12268 500g $13510 Buy
289535 5g $389 Buy

Sodium octyl sulfate Chemical Properties, Uses, Production

Chemical Properties

white solid

Uses

Wetting, dispersing, and emulsifying agent.

Uses

Sodium octyl sulfate has been used in a study to assess selective enrichment of albumin in biological samples. It has also been used in a study to investigate the behavior of mixed solution of a glycerin-modified cationic surfactant and an anionic surfactant.

Uses

Sodium octyl sulfate (SOS) may be used as an ion-pairing reagent:

  • For the retention of catechols in reversed-phase high-performance liquid chromatography of catecholamines and their congeners.
  • For the separation of asymmetric dimethylhydrazine (ADMH) and its decomposition products using ion-pair chromatography.

Definition

Anionic deter- gent, available commercially as a 35% solution.

General Description

Sodium octyl sulfate is an anionic detergent and ion pairing reagent that is used in HPLC

Safety Profile

Poison by intraperitoneal route.Moderately toxic by ingestion. When heated todecomposition it emits toxic vapors of SOx.

Sodium octyl sulfate Preparation Products And Raw materials

Raw materials

Preparation Products

Global Suppliers ( 278)
Supplier Tel Email Country ProdList Advantage
Hubei Chushengwei Chemistry Co.,Ltd. 87891008 18971625309 sales@cswchem.com China 297 58
Hubei Baidu Chemical Co., Ltd 027-59106051 13627137652 1438180055@qq.com China 8469 58
Hubei xingongli Chemical Co., Ltd 027-027-59106151 15172325309 1400858877@qq.com China 9769 58
Tianjin Rongshen Chemical Co., Ltd 18317763565; 18317763565 18317763565@163.com China 9878 58
HanerChem 020-82488509,13928734585 China 41 55
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30103 84
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Shanghai Hanhong Scientific Co.,Ltd. 021-54306202 13764082696 info@hanhongsci.com China 42917 64
Syntechem Co.,Ltd info@syntechem.com China 12973 57
Tianjin heowns Biochemical Technology Co., Ltd. 400 638 7771 sales@heowns.com China 14412 57

View Latest Price from Sodium octyl sulfate manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Sodium octyl sulfate pictures 2026-06-30 Sodium octyl sulfate
142-31-4
1KG 98 10000KGS Shaanxi Dideu New Materials Co. Ltd
Sodium octyl sulfate pictures 2026-05-28 Sodium octyl sulfate
142-31-4
$9.00 1KG 99.9 1 ton Hebei Chuanghai Biotechnology Co,.LTD
Sodium octyl sulfate pictures 2026-03-20 Sodium octyl sulfate
142-31-4
$9.90 1KG 99% 5tons Hebei Chuanghai Biotechnology Co., Ltd
S8 ION PAIR CONCENTRATE 1-OCTYLSODIUMSULFONATE cyclorylos duponol80 sipexols Octyl sulfate, sodium salt, HPLC grade, 99% ISOOCTYL SODIUM SULFATE N-OCTYL-SODIUMSULPHATE Natriumoctylsulfat SODIUMISOCTYLSULFATE Sodium octyl sulfate, HPLC grade, 99% Octane-1-ol sulfuric acid sodium salt Sulfuric acid octyl=sodium salt Octyl sulfate, sodium salt,99%,HPLC grade SODIUM OCTYL SULFATE, >=95% Octyl sulfate sodium salt for surfactant tests N-OCTYL SODIUM SULFATE OCTYL SODIUM SULFATE OCTYLSULFURIC ACID SODIUM SALT OCTYL SULFATE SODIUM SALT SODIUM N-OCTYL SULPHATE SODIUM N-OCTYL SULFATE SODIUM OCTYL SULFATE S8 n-Octyl odium sulfate Sodium octyl sulfate,Octyl sulfate sodium salt Sodium 1-octylsulfate/ 99% Octyl sulphate sodium salt Sodium octyl sulphate 99% n-octyl sulfate sodium salt Sulfuric acid,Monooctyl ester, sodiuM salt (1:1) sodiumcaprylsulfate sodiumoctylsulphate Sulfuricacid,monooctylester,sodiumsalt Sodiumisooctylsulfate(Octyl sulfate, sodium salt) OCTYL SULFATE SODIUM SODIUMISOOCTYLSULFATE OctylSulphateSodiumSaltGr-ForHplc(SodiumOctylSulphate) OctylSulphateSodiumSaltGr OctylSulfateSodiumSaltForHplc Sodium octyl sulfate ISO 9001:2015 REACH Sodium Caprylyl Sulfate Sodium octyl sulfate(Reagent for Ion-Pair Chromatography,99%) Sodium octyl sulphate, GR 99% Octylsulphate sodium salt AR 99% Octyl Sulphate Sodium Salt for HPLC, 99% Sodium Octyl Sulfate (SOS) Sodium octyl sulfate, 98% Sodium n-octyl sulfate 50% sos 142-31-4 CH3CH27OSO3Na C8H15NaH2SO4 C8H17O4SNa Analytical Chromatography Product Catalog BioChemical Anionic Building Blocks