Henicosane is an alkane that has 21 carbons and a straight-chain structure.
Definition
Henicosane is an alkane that has 21 carbons and a straight-chain structure. It has been isolated from plants like Periploca laevigata and Carthamus tinctorius. It has a role as a pheromone, a volatile oil component and a plant metabolite.
Source: PubChem
US FDA substance register · UNII I93S5U5DMP · registered name HENEICOSANE · single chemical substance
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
Names & identifiers
- CAS No.chemical registry number
- 629-94-7
- EC No.EU chemical inventory number
- 211-118-9
- DTXSIDUS EPA chemical ID
- DTXSID9047097
- DTXCIDUS EPA compound ID
- DTXCID7027097
- IUPAC
- Henicosane
- Molecular formula
- C21H44
- Molecular weight
- 296.583 g/mol
Measured properties
- Appearance
- solid
- Colour
- white
- Melting/freezing point
- 40.5 ℃
- Initial boiling point and range
- 356.5 ℃
- Vapour pressure
- (&, lt, 1mmHg at 20 ℃)
- Vapour density
- 10.2
- Relative density
- 0.7919
- n-Octanol/water partition coefficient (Kow)
- 10.65 (est.)
- Viscosity
- 2.52 cP(20 ℃)
- Molecular weight
- 296.574
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)
What products actually use it for
What the 4 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.
- Fragrance4
Source: US EPA CompTox dashboard
Linked databases 14
- Australian Industrial Chemicals Inventory (AICIS)
- ChEBI
- EU CosIng ingredient list 2
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- NIST Chemistry WebBook
- PubChem
- 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
- Wikipedia · English · Japanese · Chinese