C9-11 Isoalkane (Formerly C9-11 Isoparaffin) is a mixture of branched chain aliphatic hydrocarbons with 9 to 11 carbons in the alkyl chain.
Definition
C9-11 Isoalkane (Formerly C9-11 Isoparaffin) is a mixture of branched chain aliphatic hydrocarbons with 9 to 11 carbons in the alkyl chain.
US FDA substance register · UNII UQ7SPY0IRF · registered name C10-11 ISOPARAFFIN · biological origin (no fixed structure)
Cosmetic roles
Safety & regulatory references
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
Reviewed by CIR: Safety Assessment of Isoparaffins as Used in Cosmetics
More data — names, identifiers, properties, test records, literature
Official labels & definitions
JCIA labelling name （Ｃ９－１１）イソパラフィン: 本品は、炭素数９～１１の分岐脂肪族炭化水素混合物である。
Source: JCIA labelling names (Japan)
Names & identifiers
- CAS No.chemical registry number
- 68551-16-6
- EC No.EU chemical inventory number
- 271-365-3
- DTXSIDUS EPA chemical ID
- DTXSID3028712
Measured properties
- Appearance
- liquid
- Colour
- colourless
- Initial boiling point and range
- 157~173 ℃
- Flash point
- 41 ℃
- Upper/lower flammability or explosive limits
- 3 / 1 %
- Vapour pressure
- 5.3 ㎜Hg (at 20 C)
- Water solubility
- 0.8966 ㎎/ℓ (at 25C est.)
- Vapour density
- &, gt, 1
- Relative density
- 0.74 (g/cm3 at 15.6 C)
- n-Octanol/water partition coefficient (Kow)
- 5.18 (est.)
- Molecular weight
- 142.29 (est.)
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 9 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.
- Solvent5
- Viscosity modifier4
Source: US EPA CompTox dashboard
Linked databases 13
- Australian Industrial Chemicals Inventory (AICIS)
- China inventory of existing ingredients (IECIC)
- EU CosIng ingredient list 2 3 4
- 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
- US Cosmetic Ingredient Review (CIR) 2
- US EPA CompTox dashboard
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)