Ingredient Dictionary

SORBITAN ISOSTEARATE

How much products actually contain

No product states its amount yet.

Of the products containing it, 543 list it before the 1% line and 952 after it (usually 1% or less).

Products using this ingredient

12 of 1,451 confirmed · likeliest to carry enough first · See all 1,451

Definition

Sorbitan, isooctadecanoate

Cosmetic roles

Mixes and holds oil and water togetherSURFACTANT - EMULSIFYING

Safety & regulatory references

Not classified under Korea’s toxic-substance GHS list · existing chemical substance

Source: Korea toxic substances GHS register (NIER)

Other restriction: ban substances that deplete the ozone layer

Source: EU CosIng ingredient list

Reviewed by CIR: Safety Assessment of Sorbitan Esters as Used in Cosmetics

Source: US Cosmetic Ingredient Review (CIR)

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

Source: US Cosmetic Ingredient Review (CIR)

More data — names, identifiers, properties, test records, literature

Official labels & definitions

JCIA labelling name イソステアリン酸ソルビタン: 本品は、イソステアイン酸（＊）と無水ソルビトールとのモノエステルである。

Source: JCIA labelling names (Japan)

Names & identifiers

SORBITAN ISOSTEARATEINCI솔비탄아이소스테아레이트Korean label name (MFDS standard)Sorbitan, isooctadecanoateSynonymイソステアリン酸ソルビタンJapanese labelling name

CAS No.chemical registry number: 54392-26-6
CAS No.chemical registry number: 71902-01-7
EC No.EU chemical inventory number: 276-171-2
DTXSIDUS EPA chemical ID: DTXSID50894597

Measured properties

Initial boiling point and range: 400.8 ℃(est.)
Flash point: 225.6 ℃(est.)
Molecular weight: 430.61844

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 18 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.

Emulsifier15
Surfactant (surface active agent)1
Solids separation (precipitating) agent, not other1
Demulsifier1

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

2 skin studies and 1 eye studies are on record.

Classed as low1

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) equivalent or similar to other guideline: CFR 16, 1500.41 according to
Ambiguous
skin corrosion: in vitro / ex vivo · Screening · other guideline: OECD Guideline 431 (In Vitro Skin Corrosion: Human Skin Model Test) equivalent or similar to
Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · other guideline: CFR 16, 1500.42 according to