Sorbic acid
110-44-1 · 5309-56-8 · (2-Butenylidene)acetic acid · (2E,4E)-2,4-Hexadienoic acid · (2E,4E)-hexa-2,4-dienoic acid · (2E,4E)hexa-2,4-dienoic acid · (E,E)-1,3-pentadiene-1-carboxylic acid · (E,E)-2,4-Hexadienoic acid · (e,e)-4-hexadienoicacid · (E,E)-Sorbic acid · (E,E)-Sorbic acid; Sorbic acid · .alpha.-trans-.gamma.-trans-Sorbic acid · 1,3-Pentadiene-1-carboxylic acid · 1,3-Pentadiene-1-carboxylic acid, (E,E)- · 2,4-Hexadienoic acid, (2E,4E)- · 2,4-Hexadienoic acid, (E,E)- · 2-Propenylacrylic acid · 2E,4E-Hexadienoic acid · Acetic acid, (2-butenylidene)- · Acetic acid, crotylidene- · Acid, Hexadienoic · Acid, Propenylacrylic · Acid, Sorbic · Acidum sorbicum · alpha-trans-gamma-trans-Sorbic acid · CAS-110-44-1 · Caswell No. 801 · CCRIS 5748 · cis,trans-Sorbic Acid · Crotylidene acetic acid · E 200 · E-sorbic acid · EPA Pesticide Chemical Code 075901 · FEMA NO. 3921 · Hexa-2,4-dienoic acid · Hexa-2,4-dienoic acid, (E,E)- · Hexadienic acid · Hexadienoic acid · Hexadienoic acid, (E,E) · HSDB 590 · INS-200 · Kyselina 1,3-pentadien-1-karboxylova · Kyselina sorbova · Panosorb · Preservastat · Propenylacrylic Acid · Sorbate, Potassium · Sorbate, Sodium · SORBATES · Sorbic acid · Sorbic acid (NF) · Sorbic acid CRS · Sorbic acid, (E,E)- · Sorbinic acid · Sorbinsaeure · Sorbinsaure · Sorbistat · trans,trans-2,4-Hexadienoic acid · trans,trans-SA · trans,trans-Sorbic acid · trans-trans-2,4-Hexadienoic acid · E200 · 200 · (2E,4E)-hexa-2,4-dienoic acid · Sorbic acidE number E200INS 200CAS 110-44-1
Used as a preservative.
Sorbic acid is one of the most widely used food preservatives, effective against moulds and yeasts. It is found in cheese, baked goods, dried fruit, wine and soft drinks, usually as its potassium salt.
Where it is and isn’t permitted
| Jurisdiction | Status | Scope and limits | Citation |
|---|---|---|---|
| United States | Permitted | 21 CFR 182.3089retrieved 2026-09-07 | |
| Codex Alimentarius | Permitted, with conditions | 81 food categories highest permitted level 10,000 mg/kg Show every food category
| CXS 192-1995 Table One, INS 200and 80 further provisionsretrieved 2026-09-07 |
What it is made from
First isolated from the berries of the rowan tree, from which it takes its name, but produced commercially by chemical synthesis — typically the condensation of crotonaldehyde with ketene, both petroleum-derived. No animal material is involved.
- Vegan
- Vegetarian
- CAS registry number
- 110-44-1
- InChIKey
- WSWCOQWTEOXDQX-MQQKCMAXSA-N
- PubChem
- CID 643460
Every name it appears under
65 recorded names. A label may use any of them.
E number
- E200
INS number
- 200
CAS registry number
- 110-44-1
- 5309-56-8
As it appears in regulation
- Sorbic acid
Other names
- (2-Butenylidene)acetic acid
- (2E,4E)-2,4-Hexadienoic acid
- (2E,4E)-hexa-2,4-dienoic acid
- (2E,4E)hexa-2,4-dienoic acid
- (E,E)-1,3-pentadiene-1-carboxylic acid
- (E,E)-2,4-Hexadienoic acid
- (e,e)-4-hexadienoicacid
- (E,E)-Sorbic acid
- (E,E)-Sorbic acid; Sorbic acid
- .alpha.-trans-.gamma.-trans-Sorbic acid
- 1,3-Pentadiene-1-carboxylic acid
- 1,3-Pentadiene-1-carboxylic acid, (E,E)-
- 2,4-Hexadienoic acid, (2E,4E)-
- 2,4-Hexadienoic acid, (E,E)-
- 2-Propenylacrylic acid
- 2E,4E-Hexadienoic acid
- Acetic acid, (2-butenylidene)-
- Acetic acid, crotylidene-
- Acid, Hexadienoic
- Acid, Propenylacrylic
- Acid, Sorbic
- Acidum sorbicum
- alpha-trans-gamma-trans-Sorbic acid
- CAS-110-44-1
- Caswell No. 801
- CCRIS 5748
- cis,trans-Sorbic Acid
- Crotylidene acetic acid
- E 200
- E-sorbic acid
- EPA Pesticide Chemical Code 075901
- FEMA NO. 3921
- Hexa-2,4-dienoic acid
- Hexa-2,4-dienoic acid, (E,E)-
- Hexadienic acid
- Hexadienoic acid
- Hexadienoic acid, (E,E)
- HSDB 590
- INS-200
- Kyselina 1,3-pentadien-1-karboxylova
- Kyselina sorbova
- Panosorb
- Preservastat
- Propenylacrylic Acid
- Sorbate, Potassium
- Sorbate, Sodium
- SORBATES
- Sorbic acid
- Sorbic acid (NF)
- Sorbic acid CRS
- Sorbic acid, (E,E)-
- Sorbinic acid
- Sorbinsaeure
- Sorbinsaure
- Sorbistat
- trans,trans-2,4-Hexadienoic acid
- trans,trans-SA
- trans,trans-Sorbic acid
- trans-trans-2,4-Hexadienoic acid
Systematic names
- (2E,4E)-hexa-2,4-dienoic acid
Hazard reference values
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/sorbic-acid.json