Definition
US FDA substance register · UNII QDQ11AXU3Z · registered name SORBITAN SESQUISTEARATE · mixture
Sorbitan, octadecanoate (2:3)
Cosmetic roles
Safety & regulatory references
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
Other restriction: ban substances that deplete the ozone layer
Source: EU CosIng ingredient list
Reviewed by CIR: Final Report on the Safety Assessment of Sorbitan Caprylate, Sorbitan Cocoate, Sorbitan Diisostearate, Sorbitan Dioleate, Sorbitan Distearate, Sorbitan Isostearate, Sorbitan Olivate, Sorbitan Sesquiisostearate, Sorbitan Sesquistearate, and Sorbitan Triisostearate
Reviewed by CIR: Safety Assessment of Sorbitan Esters as Used in Cosmetics
More data — names, identifiers, properties, test records, literature
Official labels & definitions
JCIA labelling name セスキステアリン酸ソルビタン: 本品は、ステアリン酸（＊）と無水ソルビトールのモノ及びジエステルの混合物である。
Source: JCIA labelling names (Japan)
Names & identifiers
- CAS No.chemical registry number
- 51938-44-4
- EC No.EU chemical inventory number
- 257-529-7
- DTXSIDUS EPA chemical ID
- DTXSID30894414
Measured properties
- Appearance
- Large Crystals
Values measured on the substance itself, not a specification for a commercial raw material.
Source: PubChem
What products actually use it for
What the 6 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.
- Emulsifier3
- Demulsifier1
- Processing aids not otherwise specified1
- Solids separation (precipitating) agent, not other1
Source: US EPA CompTox dashboard
Related literature
Linked databases 14
- China inventory of existing ingredients (IECIC)
- EU CosIng ingredient list 2
- JCIA labelling names (Japan)
- Korea Cosmetic Association ingredient dictionary
- Korea toxic substances GHS register (NIER)
- MFDS (Korea) cosmetic ingredient register 2
- PubChem
- Tlooto literature search
- UniChem cross-reference IDs
- US Cosmetic Ingredient Review (CIR) 2 3
- US EPA CompTox dashboard
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)