十二烷基硫酸铵

Description

Ammonium Lauryl Sulfate · CAS 2235-54-3 · C12H26O4S.H3N. UNII Q7AO2R1M0B.

Identification

CAS Registry Number	2235-54-3
PubChem CID	16700
Molecular formula	C12H26O4S.H3N
IUPAC name	azanium dodecyl sulfate
UNII (FDA)	Q7AO2R1M0B

Computed Descriptors

Molecular Weight	283.43
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	11
Exact Mass	283.18172958
Monoisotopic Mass	283.18172958
Topological Polar Surface Area	75.8
Heavy Atom Count	18
Formal Charge	0
Complexity	230

Physical description & handling notes

• Ammonium lauryl sulfate appears as light yellow liquid. May float or sink and mix with water. (USCG, 1999)
• Liquid
• Clear liquid; [HSDB] Light yellow liquid; [CAMEO] Commercial material is liquid; Pure material is light yellow solid; [CHEMINFO] Opaque yellow liquid (30% aqueous solution); [MSDSonline]
• Clear liquid
• 1.03 at 68 °F (USCG, 1999) - Denser than water; will sink
• 28-30% and 27-29% Active anionics, pale yellow liquid grades.

Regulatory Status

Regulatory & Food Contact	FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS CIR / INCI: Cosmetic ingredients (Ammonium Lauryl Sulfate) -> CIR (Cosmetic Ingredient Review) CIR / INCI: Cleansing; Surfactant; Foaming
GHS notification summary	0.3% (2 / 617)

GHS Hazard Classification

GHS notification summary	0.3% (2 / 617)
Reported hazard statements	H302 (71.8%), H315 (27.9%), H318 (17.7%), H319 (82%), H312, H335

Documented Uses

• CIR ingredient: Ammonium Lauryl Sulfate
• Used as an anionic detergent or surface-active agent in hair and rug shampoos, bath products, detergents, skin cleansing preparations, hand soaps, hair dyes, conditioners, and shaving products; [CHEMINFO]
• Dressing Hair [Category: Other]
• SURFACE-ACTIVE INGREDIENT OF HAIR SHAMPOOS, RUG SHAMPOOS
• ANIONIC DETERGENT /ALKYL SODIUM SULFATES/
• Ammonium lauryl sulfate (ALS) is an anionic surfactant found primarily in shampoos and body-wash as a foaming agent. (L1891)

Synonyms

Ammonium dodecyl sulfate; 2235-54-3; AMMONIUM LAURYL SULFATE; Presulin; Ammonium dodecyl sulphate; Sinopon; Texapon special; Conco sulfate A; Maprofix NH; Richonol AM; Sterling AM; Neopon LAM; Akyposal als 33; Montopol LA 20; Siprol L22; Siprol 422

Frequently Asked Questions

What are the CAS number and molecular formula of Ammonium Lauryl Sulfate?

CAS 2235-54-3; molecular formula C12H26O4S.H3N; molecular weight — g/mol.

What other names is Ammonium Lauryl Sulfate known by?

Ammonium dodecyl sulfate, 2235-54-3, AMMONIUM LAURYL SULFATE, Presulin, Ammonium dodecyl sulphate, Sinopon.

What is the regulatory status of Ammonium Lauryl Sulfate?

Documented regulatory listings: FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS; CIR / INCI: Cosmetic ingredients (Ammonium Lauryl Sulfate) -> CIR (Cosmetic Ingredient Review); CIR / INCI: Cleansing; Surfactant; Foaming.

Is Ammonium Lauryl Sulfate classified as hazardous?

0.3% of GHS notifications report no hazard classification (2 of 617).

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.