C8H8O3
152.15 g/mol
Flavor & FragranceWarning
4-METHOXYBENZOIC ACID
CAS100-09-4EC202-818-5
Category
Flavor & Fragrance
Compound Class
Organic Acid
Primary Use
flavoring agent or adjuvant
4-Methoxybenzoic acid, commonly known as p-anisic acid, is a white crystalline solid that is poorly soluble in water but readily dissolves in alcohols and ether. It is one of the isomers of anisic acid and is primarily used as a flavoring agent or adjuvant.
flavoring agentflavor adjuvant
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
ApplicationSame Use
Methyl phenyl sulfide
CAS100-68-5
flavoring agent or adjuvant
ApplicationSame Use
P-methylacetophenone
CAS122-00-9
flavoring agent or adjuvant
ApplicationSame Use
4-hydroxybenzaldehyde
CAS123-08-0
flavoring agent or adjuvant
ApplicationSame Use
O-anisaldehyde
CAS135-02-4
flavoring agent or adjuvant
ReferenceSame Category
Benzyl alcohol
CAS100-51-6
fragrance component and preservative
ReferenceSame Category
Benzaldehyde
CAS100-52-7
flavoring agent and perfume additive
ReferenceSame Category
Benzyl mercaptan
CAS100-53-8
synthetic flavoring substance and odorant
ReferenceSame Category
1-methoxy-3-methylbenzene
CAS100-84-5
flavor and fragrance intermediate
Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 4-METHOXYBENZOIC ACID (CAS 100-09-4) is 2918.99.
HS code (international, 6-digit)
2918.99
EU CN code (8-digit)
2918 99 90
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
4-methoxybenzoic acid
InChIKey
ZEYHEAKUIGZSGI-UHFFFAOYSA-N
SMILES
COC1=CC=C(C=C1)C(=O)O
Synonyms (33)
- ANN
- 1sv3
- 4-(methyloxy)benzoic acid
- 4-Anisic acid
- 4-METHOXYBENZOIC ACID
- 4-methoxylbenzoic acid
- AE-848/32075009
- ANISIC ACID
- ANISIC ACID, PARA
- Anisic acid, p-isomer
- Benzoic acid, 4-methoxy-
- Benzoic acid, methoxy-
- Draconic acid
- FEMA NO. 3945
- Kyselina 4-methoxybenzoova
- Methoxybenzoic acid
- anisoic acid
- p-Anisic acid
- p-Anisic acid (Standard)
- p-Anisic acid, natural
- p-Methoxybenzoic acid
- p-anisate
- p-methoxybenzoate
- para-anisic acid
- paramethoxy benzoic acid
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