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2235-54-3

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Identification

Name
Ammonium lauryl sulfate
CAS
2235-54-3
Synonyms
AMMONIUM DODECYL SULFATE
Ammonium dodecyl sulphate
AMMONIUM LAURYL SULFATE
DODECYL ESTER OF SULFURIC ACID AMMONIUM SALT
DODECYL SULFATE AMMONIUM SALT
NAXOLATE AS-AL30
SULFURIC ACID, MONODODECYL ESTER AMMONIUM SALT
akyposalals33
ammoniumlaurylsulfatesolution
ammoniumn-dodecylsulfate
concosulfatea
dodecylammoniumsulfate
laurylammoniumsulfate
laurylsulfateammoniumsalt
laurylsulfated’ammonium
maprofixnh
montopolla20
neoponlam
presulin
richonolam
EINECS(EC#)
218-793-9
Molecular Formula
C12H29NO4S
MDL Number
MFCD00050675
Molecular Weight
283.43
MOL File
2235-54-3.mol

Chemical Properties

Appearance
yellow viscous liquid
density 
1.02 g/mL at 20 °C

refractive index 
n20/D 1.37

Fp 
110 °C
storage temp. 
15-25°C
Stability:
Stable. Incompatible with strong oxidizing agents.
BRN 
5188379
Uses
ammonium lauryl sulfate is a surfactant with emulsifying capabilities. given its detergent properties, at mild acidic pH levels it can be used as an anionic surfactant cleanser. It is considered one of the most irritating surfactants, causing dryness and skin redness. Today, it is either combined with anti-irritant ingredients to reduce sensitivity or replaced with a less irritating but similar surfactant, such as ammonium laureth sulfate.
CAS DataBase Reference
2235-54-3(CAS DataBase Reference)
EPA Substance Registry System
2235-54-3(EPA Substance)

Safety Data

Hazard Codes 
Xi
Risk Statements 
R36/38:Irritating to eyes and skin .
R52/53:Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37:Wear suitable protective clothing and gloves .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
WGK Germany 
3
Hazardous Substances Data
2235-54-3(Hazardous Substances Data)

Hazard Information

General Description
Light yellow liquid. May float or sink and mix with water.
Reactivity Profile
Acidic inorganic salts, such as AMMONIUM LAURYL SULFATE(2235-54-3), are generally soluble in water. The resulting solutions contain moderate concentrations of hydrogen ions and have pH's of less than 7.0. They react as acids to neutralize bases. These neutralizations generate heat, but less or far less than is generated by neutralization of inorganic acids, inorganic oxoacids, and carboxylic acid.
Air & Water Reactions
Water soluble.
Health Hazard
Contact with liquid irritates eyes and may have drying effect on the skin. Prolonged contact will cause skin irritation.
Fire Hazard
Special Hazards of Combustion Products: Toxic oxides of nitrogen and sulfur may form in fires.
Chemical Properties
yellow viscous liquid
Purification Methods
Recrystallise it first from 90% EtOH and then twice from absolute EtOH, and finally dry it in a vacuum. [Beilstein 1 III 1786.]

Material Safety Data Sheet(MSDS)

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