Definition
US FDA substance register · UNII AL92M833SY · registered name SODIUM DECYL SULFATE · single chemical substance
Sulfuric acid, monodecyl ester, sodium salt
Cosmetic roles
Safety & regulatory references
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
Reviewed by CIR: Final Report on the Safety Assessment of Sodium Cetearyl Sulfate and Related Alkyl Sulfates Used in Cosmetics
More data — names, identifiers, properties, test records, literature
Names & identifiers
- CAS No.chemical registry number
- 142-87-0
- EC No.EU chemical inventory number
- 205-568-5
- DTXSIDUS EPA chemical ID
- DTXSID4036229
- DTXCIDUS EPA compound ID
- DTXCID2016229
- IUPAC
- Sodium decyl sulfate
- Molecular formula
- C10H21NaO4S
- Molecular weight
- 260.32 g/mol
Measured properties
- Appearance
- Liquid, CBI
- Colour
- white
- Vapour pressure
- 0.00000000000255 ㎜Hg (at 25C)
- Water solubility
- 5130 ㎎/ℓ (at 25C)
- n-Octanol/water partition coefficient (Kow)
- 0.71
- Decomposition temperature
- (&, gt, 224C)
- Molecular weight
- 260.32
Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.
Source: PubChem · KOSHA safety data sheets (Korea)
What products actually use it for
What the 13 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.
- Surfactant (surface active agent)6
- Processing aids not otherwise specified3
- Cleaning agent2
- Aerating and deaerating agents1
- Foamant1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
1 skin studies and 1 eye studies are on record.
The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.
See all 2 studies
- Category 6.3A (Category 2)
Skin Irritation · Read Across - Category 6.4A (Category 2A)
Eye Irritation · Read Across
Source: US EPA CompTox dashboard
Related literature
Linked databases 16
- Australian Industrial Chemicals Inventory (AICIS)
- ChEMBL
- EU CosIng ingredient list 2
- Korea Cosmetic Association ingredient dictionary
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- MFDS (Korea) cosmetic ingredient register 2
- PubChem
- Tlooto literature search
- UniChem cross-reference IDs
- US Cosmetic Ingredient Review (CIR) 2
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)
- Wikidata