Mono-methyl terephthalate, with a chemical formula of C9H10O4 and commonly known as MMT, stands as a significant organic compound. Here’s an overview of its properties, uses, synthesis, and safety information:

Properties: Mono-methyl terephthalate is a colorless transparent liquid with an aromatic odor. It possesses relatively low boiling and melting points and is soluble in various organic solvents such as alcohols, ethers, and ketones. However, its solubility in water is relatively low.

Uses: Widely utilized as a raw material for synthesizing polyester fibers and resins, mono-methyl terephthalate finds its application in the production of polyester textiles like polyester and medical sewing threads. Additionally, it serves as a plasticizer, solvent, and additive in coatings.

Synthesis: The preparation of mono-methyl terephthalate typically involves an ester interchange reaction between methanol and terephthalic acid. In this reaction, methanol and terephthalic acid react under the catalysis of an alcohol catalyst to produce mono-methyl terephthalate and water. Alternatively, mono-methyl terephthalate can be synthesized using other methods such as dehydration esterification or acid-catalyzed esterification.

Safety Information: Mono-methyl terephthalate possesses certain toxicity and irritability. It can cause irritation to the skin, eyes, and respiratory tract. In cases of ingestion or excessive inhalation, it may lead to symptoms such as difficulty breathing, chest tightness, nausea, and dizziness. Therefore, necessary protective measures should be taken when handling mono-methyl terephthalate, including wearing protective gloves, masks, and safety glasses, and ensuring good ventilation. During handling and storage, contact with strong oxidants and acids should be avoided. In the event of a leak, appropriate measures should be taken for cleanup and disposal.

Other names for Mono-methyl terephthalate:

MMT
MonomethyL
mono-Methyl terephthlate
monomethyl terephthalate
mono-Methyl terephthalate
mono-Methyleterephthalate
Mono-Methyl tetraphthalate
4-(methoxycarbonyl)benzoate
(4-carboxyphenyl)-aceticaci
Hydrogen methyl terephthalate
methyl hydrogen terephthalate
Terephthalic Acid Monomethyl Ester
4-(Methoxycarbonyl)benzoic acid
Methyl 4-carboxybenzoate

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