C9H8O4
180.16 g/mol
Industrial ChemicalWarning
Monomethyl terephthalate
CAS1679-64-7EC216-849-7
Category
Industrial Chemical
Compound Class
Ester
Primary Use
intermediate for thermoplastic polyester elastomers
Monomethyl terephthalate, also known as This compound, is an organic compound containing an aromatic ring, an ester group, and a carboxylic acid group. It serves primarily as an intermediate in the production of thermoplastic polyester elastomers.
intermediate for thermoplastic polyester elastomersintermediate in the synthesis of dimethyl terephthalate
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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Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Monomethyl terephthalate (CAS 1679-64-7) is 2917.39.
HS code (international, 6-digit)
2917.39
EU CN code (8-digit)
2917 39 85
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-methoxycarbonylbenzoic acid
InChIKey
REIDAMBAPLIATC-UHFFFAOYSA-N
SMILES
COC(=O)C1=CC=C(C=C1)C(=O)O
Synonyms (26)
- 4-(Carbomethoxy)benzoic acid
- HYDROGEN METHYL TEREPHTHALATE
- METHYL P-CARBOXYBENZOATE
- METHYL P-PHTHALATE
- Methyl 4-carboxybenzoate
- Methyl hydrogen terephthalate
- Methyl terephthalate
- Monomethyl terephthalate
- P-CARBOMETHOXYBENZOIC ACID
- p-Carboxy-alpha-toluic acid
- terephthalic acid methylester
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