C8H8O3
152.15 g/mol
Food AdditiveWarning
Methyl 4-hydroxybenzoate
CAS99-76-3EC202-785-7
Category
Food Additive
Compound Class
Ester
Primary Use
preservative in foods and cosmetics
Methyl 4-hydroxybenzoate, commonly known as methylparaben, is an organic compound widely used as a preservative in foods, cosmetics, and medicines. It is one of the most commonly employed parabens due to its antimicrobial properties.
preservative in foodspreservative in cosmeticspreservative in medicines
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
StrongStructure SimilarSimilarity 0.87
Methyl 4'-hydroxy[1,1'-biphenyl]-4-carboxylate
CAS40501-41-5
research reagent or synthetic intermediate
ReferenceSame Category
4-hydroxybenzoic acid
CAS99-96-7
intermediate for food preservatives
ReferenceSame Category
Sodium isobutyrate
CAS996-30-5
food preservative and flavoring agent
ReferenceSame Category
Glyceryl dibehenate
CAS99880-64-5
fat ingredient in cosmetics and foods
ReferenceSame Category
Methyl gallate
CAS99-24-1
antioxidant
Referencestereoisomer of
Methyl 4-hydroxy(²H₄)benzoate
CAS362049-51-2
research compound
Referencestereoisomer of
Methylparaben sodium
CAS5026-62-0
Preservative in cosmetics and personal care products
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H336May cause drowsiness or dizziness
H402Harmful to aquatic life
H411Toxic to aquatic life with long lasting effects
H412Harmful to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for Methyl 4-hydroxybenzoate (CAS 99-76-3) 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
methyl 4-hydroxybenzoate
InChIKey
LXCFILQKKLGQFO-UHFFFAOYSA-N
SMILES
COC(=O)C1=CC=C(C=C1)O
Synonyms (85)
- E-218
- Methyl 4-hydroxybenzoate - BP grade
- Methyl 4-hydroxybenzoate, USP, 98.0-102.0%
- Methyl parahydroxybenzoate, European Pharmacopoeia (EP)
- Methylparaben, United States Pharmacopeia (USP)
- Nifuroxazide EP Impurity B; Propyl Parahydroxybenzoate EP Impurity B; Sodium ethyl parahydroxybenzoate EP Impurity B
- 4-(Methoxycarbonyl)phenol
- 4-carbomethoxyphenol
- Abiol
- Aseptoform
- Caswell No. 573PP
- INS NO.218
- INS number 218
- Killitol
- Lexgard M
- METHYL HYDROXYBENZOATE
- METHYL SALICYLATE IMPURITY C
- METHYLPARABEN
- Maseptol
- Metaben
- Metagin
- Methaben
- Methyl 4-hydroxybenzoate
- Methyl butex
- Methyl chemosept
- Methyl p-hydroxybenzoate
- Methyl p-oxybenzoate
- Methyl paraben (Standard)
- Methyl parahydroxybenzoate
- Methyl parasept
- Methylben
- Methylis hydroxybenzoas
- Methylparaben e218
- Methylparaben, NF
- Metoxyde
- Moldex
- NIPAGIN PLAIN
- Nifuroxazide Impurity 2
- Nipagin
- Nipagin M
- Paraben M
- Paridol
- Preserval
- Preserval M
- Preserval MS (Salt/Mix)
- Septos
- Solbrol
- Solbrol M
- Solparol (Salt/Mix)
- Tegosept M
- isLeaf Tattoo Eyebrow Brown
- methyl 4-hydoxybenzoate
- methyl 4-hydroxylbenzoate
- p-Carbomethoxyphenol
- p-Hydroxybenzoic methyl ester
- p-Methoxycarbonylphenol
- p-Oxybenzoesauremethylester
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