Terephthalic acid dimethyl ester Terephthalic acid methyl ester DMT China
Application of Dimethyl Terephthalate(DMT):
Dimethyl terephthalate (DMT) is a versatile chemical intermediate primarily used in the production of PET and polyester fibers, films, and resins, with applications spanning from consumer goods packaging to industrial materials.
Advantages of Using DMT:
- Purity and Quality: DMT can be easily purified, leading to high-quality end products.
- Ease of Handling: As a solid, DMT is easier to handle and transport compared to its liquid counterparts.
- Consistency DMT provides consistent performance and properties, essential for industrial-scale production.
Product Name: Dimethyl terephthalate
Synonyms: Terephthalic acid methyl ester; DMT; Benzene-1,4-dicarboxylic acid dimethyl ester; Terephthalic acid dimethyl ester; dimethyl cyclohexane-1,4-dicarboxylate; 1,3-benzodioxol-5-yl methylcarbamate; dimethyl benzene-1,4-dicarboxylate; 4-(methoxycarbonyl)benzoic acid; dimethyl benzene-1,2-dicarboxylate;
CAS #: 120-61-6
EINECS #: 204-411-8
Chemical Formula : C6H4(COOCH3)2
Molecular Weight: 194.184
HS Code: 29173700.00
Toxicity: Oral rat LD50: > 3200 mg/kg
Introduction:
Dimethyl terephthalate(DMT) is an essential compound in organic synthesis, primarily used as a precursor for polymers like polyethylene terephthalate. Its selective hydrogenation produces valuable derivatives, such as 1,4-cyclohexane dicarboxylate, with enhanced efficiency achieved through non-precious nickel-based catalysts modified with potassium. While various in vitro studies classify dimethyl terephthalate as nongenotoxic, some in vivo studies indicate potential clastogenic effects, suggesting complex biological interactions that remain poorly understood. Further research is necessary to clarify these effects and to establish safety guidelines for the industrial application of dimethyl terephthalate, ensuring both efficiency in production and protection of human health.
Specifications:
Appearance: White color briquettes
Color: 10 max
DMT Content , %: 99.0 min
Melting point, ℃: 140-142
Water, %: 0.50 max
Acid number,mg KOH/g: 0.025 max
Iron, mg/kg:1 max
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