Sorbitan monooleate
1338-43-8 · 06XEA2VD56 · 1,4-anhydro-6-O-[(9Z)-octadec-9-enoyl]-D-glucitol · 1,4-Anhydro-D-glucitol, 6-(9-octadecenoate) · 2-(3,4-dihydroxyoxolan-2-yl)-2-hydroxyethyl (9E)-octadec-9-enoate · Alkamuls SMO · Anhydrosorbitol monooleate · Arlacel 80 · Armotan MO · Atmer 05 · Crill 4 · D-Glucitol, 1,4-anhydro-, 6-(9-octadecenoate) · Dehymuls SMO · Disponil 100 · E 494 · Emasol 410 · Emasol O 10 · Emasol O 10F · Emsorb 2500 · Glycomul O · INS NO.494 · INS-494 · Ionet S-80 · Kemmat S 80 · Kosteran O 1 · Lonzest SMO · Monodehydrosorbitol monooleate · Montan 80 · Montane 80 VGA · Newcol 80 · Nikkol SO 10 · Nikkol SO-15 · Nissan Nonion OP 80R · Nonion OP80R · Oleate de sorbitan · Oleato de sorbitan · Oleato de sorbitano · Radiasurf 7155 · Rheodol AO 10 · Rheodol SP-O 10 · Rikemal O 250 · S 271 (surfactant) · S-MAX 80 · Sorbester P 17 · sorbitan mono-oleate · Sorbitan mono-oletae · Sorbitan monooleate · Sorbitan Monooleate (Technical Grade) · Sorbitan monooleic acid ester · Sorbitan O · SORBITAN OLEATE · Sorbitan, mono-(9Z)-9-octadecenoate · Sorbitan, mono-9-octadecenoate · Sorbitan, mono-9-octadecenoate, (Z)- · Sorbitani oleas · Sorbon S 80 · Sorgen 40 · Sorgen 40A · Span 80 · Span? 80 · E494 · 494 · 1,4-anhydro-6-O-[(9Z)-octadec-9-enoyl]-D-glucitol · [(2R)-2-[(2R,3R,4S)-3,4-dihydroxyoxolan-2-yl]-2-hydroxyethyl] (Z)-octadec-9-enoate · Sorbitan monooleateE number E494INS 494CAS 1338-43-8
Used as an emulsifier — Codex also lists it as stabilizer.
Sorbitan monooleate is an emulsifier used in confectionery coatings, dressings and whipped toppings.
Where it is and isn’t permitted
| Jurisdiction | Status | Scope and limits | Citation |
|---|---|---|---|
| United States | Permitted, with conditions | 21 CFR 173.75retrieved 2026-09-07 | |
| Codex Alimentarius | Permitted, with conditions | 53 food categories highest permitted level 20,000 mg/kg Show every food category
| CXS 192-1995 Table One, INS 494and 52 further provisionsretrieved 2026-09-07 |
What it is made from
Made by esterifying sorbitol with oleic acid, which is usually of plant origin but may come from animal fat.
- Vegan status depends on the source
- Vegetarian status depends on the source
- May raise a halal question
- May raise a kosher question
This is not an omission. What this additive is made from is not fixed — depending on the manufacturer it may be plant, animal or microbial in origin, nobody is required to say which, and the same product can change source between production runs. Ask the manufacturer if it matters to you; a label cannot answer it.
- CAS registry number
- 1338-43-8
- InChIKey
- NWGKJDSIEKMTRX-AAZCQSIUSA-N
- PubChem
- CID 9920342
Every name it appears under
65 recorded names. A label may use any of them.
E number
- E494
INS number
- 494
CAS registry number
- 1338-43-8
As it appears in regulation
- Sorbitan monooleate
Other names
- 06XEA2VD56
- 1,4-anhydro-6-O-[(9Z)-octadec-9-enoyl]-D-glucitol
- 1,4-Anhydro-D-glucitol, 6-(9-octadecenoate)
- 2-(3,4-dihydroxyoxolan-2-yl)-2-hydroxyethyl (9E)-octadec-9-enoate
- Alkamuls SMO
- Anhydrosorbitol monooleate
- Arlacel 80
- Armotan MO
- Atmer 05
- Crill 4
- D-Glucitol, 1,4-anhydro-, 6-(9-octadecenoate)
- Dehymuls SMO
- Disponil 100
- E 494
- Emasol 410
- Emasol O 10
- Emasol O 10F
- Emsorb 2500
- Glycomul O
- INS NO.494
- INS-494
- Ionet S-80
- Kemmat S 80
- Kosteran O 1
- Lonzest SMO
- Monodehydrosorbitol monooleate
- Montan 80
- Montane 80 VGA
- Newcol 80
- Nikkol SO 10
- Nikkol SO-15
- Nissan Nonion OP 80R
- Nonion OP80R
- Oleate de sorbitan
- Oleato de sorbitan
- Oleato de sorbitano
- Radiasurf 7155
- Rheodol AO 10
- Rheodol SP-O 10
- Rikemal O 250
- S 271 (surfactant)
- S-MAX 80
- Sorbester P 17
- sorbitan mono-oleate
- Sorbitan mono-oletae
- Sorbitan monooleate
- Sorbitan Monooleate (Technical Grade)
- Sorbitan monooleic acid ester
- Sorbitan O
- SORBITAN OLEATE
- Sorbitan, mono-(9Z)-9-octadecenoate
- Sorbitan, mono-9-octadecenoate
- Sorbitan, mono-9-octadecenoate, (Z)-
- Sorbitani oleas
- Sorbon S 80
- Sorgen 40
- Sorgen 40A
- Span 80
- Span? 80
Systematic names
- 1,4-anhydro-6-O-[(9Z)-octadec-9-enoyl]-D-glucitol
- [(2R)-2-[(2R,3R,4S)-3,4-dihydroxyoxolan-2-yl]-2-hydroxyethyl] (Z)-octadec-9-enoate
Hazard reference values
| Type | Value | Population | Assessed by | Opinion |
|---|---|---|---|---|
| ADI | 10 mg/kg bw/day | consumers | EFSA ANS | 2017 |
Evidence and how bodies read it
Studies, and the differing conclusions regulators drew from them, are curated by hand rather than machine-read, and none has been written for this substance yet.
Sources for this page
- ecfr retrieved 2026-09-07
- gsfa retrieved 2026-09-07
Full licence terms and publisher details on Sources. How this page is built and updated: Method.
Machine-readable:/api/v1/additives/sorbitan-monooleate.json