C10H12O5
212.2 g/mol
Food AdditiveWarning
Propyl gallate
CAS121-79-9EC204-498-2
Category
Food Additive
Compound Class
Ester
Primary Use
antioxidant for foods and cosmetics
Propyl gallate is a fine white to creamy-white crystalline powder with a faint or no odor, commonly used as an antioxidant to prevent oxidation in foods and cosmetics.
Antioxidant for foods and cosmeticsStabilizer for fats, oils, emulsions, and waxesStabilizer for synthetic vitamin A
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
SimilarStructure SimilarSimilarity 0.75
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Safety Reference
Warning
H302Harmful if swallowed
H317May cause an allergic skin reaction
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H318Causes serious eye damage
H411Toxic to aquatic life with long lasting effects
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
Customs Tariff Classification
The international HS code for Propyl gallate (CAS 121-79-9) is 2918.29.
HS code (international, 6-digit)
2918.29
EU CN code (8-digit)
2918 29 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
propyl 3,4,5-trihydroxybenzoate
InChIKey
ZTHYODDOHIVTJV-UHFFFAOYSA-N
SMILES
CCCOC(=O)C1=CC(=C(C(=C1)O)O)O
Synonyms (43)
- E310
- Propyl gallate, European Pharmacopoeia (EP)
- Propyl gallate, USP, 98.0-102.0%
- Propyl gallate, United States Pharmacopeia (USP)
- FEMA 2947
- Gallate, Propyl
- Gallic acid n-propyl ester
- Gallic acid propyl ester , PG
- Gallic acid, propyl ester
- INS NO.310
- N-Propyl gallate
- NIPA 49
- Nipagallin P
- Nipanox S 1
- PROPYL GALLATE [MART.]
- Progallin P
- Propyl 3,5-trihydroxybenzoate
- Propyl galiate
- Propyl gallate (NF)
- Propyl gallate (Standard)
- Propyl gallate (e 310)
- Propyl gallate, powder
- Propylester kyseliny gallove
- Sustane PG
- Tenox PG
- propyl gallate
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