C11H14O3
194.23 g/mol
Food AdditiveDanger
Isobutyl 4-hydroxybenzoate
CAS4247-02-3EC224-208-8
Category
Food Additive
Compound Class
Ester
Primary Use
preservative
Isobutyl 4-hydroxybenzoate is a chemical compound that functions as a preservative. It is structurally related to parabens, which are esters of p-hydroxybenzoic acid.
preservative
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
ReferenceSame Category
Crocin
CAS42553-65-1
Food coloring agent
ReferenceSame Category
Sodium ferrous citrate
CAS43160-25-4
Iron supplement and geroprotector
ReferenceSame Category
Monobasicammonium citrate
CAS4450-94-6
food acidulant and buffering agent
ReferenceSame Category
Zinc gluconate
CAS4468-02-4
dietary supplement and food additive
Safety Reference
Danger
H315Causes skin irritation
H318Causes serious eye damage
Regulatory Compliance1
- EU REACH SVHCEURegulation
Customs Tariff Classification
The international HS code for Isobutyl 4-hydroxybenzoate (CAS 4247-02-3) 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
2-methylpropyl 4-hydroxybenzoate
InChIKey
XPJVKCRENWUEJH-UHFFFAOYSA-N
SMILES
CC(C)COC(=O)C1=CC=C(C=C1)O
Synonyms (23)
- 2-Methylpropyl 4-Hydroxybenzoate; Butyl Parahydroxybenzoate Imp. E (EP); Isobutyl Parahydroxybenzoate; Butyl Parahydroxybenzoate Impurity E
- Butyl parahydroxybenzoate impurity E, European Pharmacopoeia (EP)
- Isobutyl 4-hydroxybenzoate
- Isobutyl p-hydroxybenzoate
- Isobutyl parahydroxybenzoate
- Isobutylparaben
- Isobutylparaben (Standard)
- i-BHB
- p-Oxybenzoesaureisobutylester
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