Sodium octyl sulfate

Sodium octyl sulfate Basic information
Product Name:Sodium octyl sulfate
Synonyms:OctylSulfateSodiumSaltForHplc;S8 ION PAIR CONCENTRATE;1-OCTYLSODIUMSULFONATE;cyclorylos;duponol80;sipexols;Octyl sulfate, sodium salt, HPLC grade, 99%;ISOOCTYL SODIUM SULFATE
CAS:142-31-4
MF:C8H19NaO4S
MW:234.29
EINECS:205-535-5
Product Categories:
Mol File:142-31-4.mol
Sodium octyl sulfate Structure
Sodium octyl sulfate Chemical Properties
Melting point 195 °C (dec.) (lit.)
density 1.04
vapor density 8 (vs air)
vapor pressure 0.31Pa at 20℃
Fp 93.3°C
storage temp. no restrictions.
solubility H2O: soluble20mg/mL
form Coarse Powder
color White
PH6-8 (10g/l, H2O, 20℃)
OdorCharacteristic odour
Water Solubility soluble
λmaxλ: 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.
InChIKeyWFRKJMRGXGWHBM-UHFFFAOYSA-M
LogP3.269 (est)
CAS DataBase Reference142-31-4(CAS DataBase Reference)
EPA Substance Registry SystemSodium octyl sulfate (142-31-4)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36-37/39
WGK Germany 2
RTECS WT1175000
TSCA Yes
HS Code 29209010
ToxicityLD50 orally in Rabbit: 3200 mg/kg
MSDS Information
ProviderLanguage
Octyl sulfate sodium saltEnglish
SigmaAldrichEnglish
ACROSEnglish
ALFAEnglish
Sodium octyl sulfate Usage And Synthesis
Chemical Propertieswhite solid
UsesSodium 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.
UsesWetting, dispersing, and emulsifying agent.
UsesSodium 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.
DefinitionAnionic deter- gent, available commercially as a 35% solution.
General DescriptionSodium octyl sulfate is an anionic detergent and ion pairing reagent that is used in HPLC
Safety ProfilePoison by intraperitoneal route.Moderately toxic by ingestion. When heated todecomposition it emits toxic vapors of SOx.

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