Dimethyl terephthalate

Name: Dimethyl terephthalate
SKU: 0

English Name ：Dimethyl Terephthalate
English Synonyms ：DMT; Terephthalic Acid Dimethyl Ester; Dimethyl 1,4-Benzenedicarboxylate; [Removed incorrect aliases per CAS validation]
CAS Number ：120-61-6
EINECS Number ： 204-411-8
Molecular Formula ：C₁₀H₁₀O₄

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Product Description

English Name	Dimethyl Terephthalate
English Synonyms	DMT; Terephthalic Acid Dimethyl Ester; Dimethyl 1,4-Benzenedicarboxylate; [Removed incorrect aliases per CAS validation]
CAS Number	120-61-6
EINECS Number	204-411-8
Molecular Formula	C₁₀H₁₀O₄
Molecular Weight	194.184 g/mol
InChI	InChI=1S/C₁₀H₁₀O₄/c1-13-9(11)7-3-5-8(6-4-7)10(12)14-2/h3-6H,1-2H₃
Molecular Structure
Density	1.084 g/cm³ (Literature value) • 1.175 g/cm³ (reported) **
Melting Point	140-143°C (Lit. 140.6°C)
Boiling Point	282.7°C at 760 mmHg (Lit. 283°C)
Flash Point	146.7°C
Vapor Pressure	3.31 × 10⁻³ mmHg at 25°C
Physicochemical Properties	• Appearance: Colorless orthorhombic crystals • Refractive Index: 1.4752 • Solubility: Insoluble in water; soluble in ether/hot ethanol
Applications	• Primary monomer for PET production (polyester fibers/resins) • Films & engineering plastics • Electrical insulation coatings (Class F polyesterimide varnishes)
Safety Phrases	S24/25: Avoid skin and eye contact
Upstream Raw Materials	Terephthalic Acid (PTA), Methanol
Downstream Products	• PET resin/chips • Polyester coating resins • Class F polyesterimide insulating varnishes