Definition
US FDA substance register · UNII UN9IN5VLYE · registered name HYDROXYSTEARYL ALCOHOL · single chemical substance
Hydroxystearyl Alcohol is the fatty alcohol that conforms to the formula
Cosmetic roles
Safety & regulatory references
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
More data — names, identifiers, properties, test records, literature
Official labels & definitions
JCIA labelling name ヒドロキシステアリルアルコール: 本品は、次の化学式で表される脂肪族アルコールである。
Source: JCIA labelling names (Japan)
Names & identifiers
- CAS No.chemical registry number
- 2726-73-0
- DTXSIDUS EPA chemical ID
- DTXSID401036200
- DTXCIDUS EPA compound ID
- DTXCID001470179
- IUPAC
- Octadecane-1,12-diol
- Molecular formula
- C18H38O2
- Molecular weight
- 286.5 g/mol
Measured properties
- Appearance
- solid
- Colour
- white
- Melting/freezing point
- 68 ℃
- Initial boiling point and range
- 372.4 ℃
- Flash point
- 163.5 ℃
- Vapour pressure
- 1.33E-7 ㎜Hg (at 25°C)
- Water solubility
- 0.03501 ㎎/ℓ
- Vapour density
- 9.889195719710045
- Relative density
- 0.962
- n-Octanol/water partition coefficient (Kow)
- 6.58
- Molecular weight
- 286.49
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: KOSHA safety data sheets (Korea)
Irritation and sensitisation studies
2 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 3 studies
- Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) according to EU Method B.4 (Acute Toxicity: Dermal Irritation / Corrosion) according to - SkinIrr2
Skin Irritation · QSAR Predicted - Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) according to EU Method B.5 (Acute Toxicity: Eye Irritation / Corrosion) according to
Source: US EPA CompTox dashboard
Related literature
- Feasibility of a Natural Surfactant as a Stabilizer for Cosmetics with Liposome-Encapsulated Plant Stem Cells: Pre-Formulation and Formulation Through Stability Studies · 2016
- Physicochemical Characterization and in vivo Skin Performance of a Novel Alkyl Polyglucoside Emulsifier in Natural Cosmetic Cream-Bases · 2013
Linked databases 14
- Australian Industrial Chemicals Inventory (AICIS)
- EU CosIng ingredient list 2
- JCIA labelling names (Japan)
- Korea Cosmetic Association ingredient dictionary
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- MFDS (Korea) cosmetic ingredient register 2
- Tlooto literature search 2
- UniChem cross-reference IDs
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)
- Wikidata