Dimethyl terephthalate 120-61-6

Dimethyl terephthalate 120-61-6

Dimethyl terephthalate (DMT) is an organic compound with the formula C6H4(CO2CH3)2. It is the diester formed from terephthalic acid and methanol. It is a white solid that melts to give a distillable colourless liquid.
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product description

Chemical Name:Dimethyl terephthalate

CAS No.:120-61-6

Product Categories:Inorganic Chemistry

Molecular Formula:C10H10O4

Formula Weight:194.18

Appearance:white granule

Packaging Method:25kg/Bag

Type Of Transportation:By Air/By Sea/By Train/By Express

Sample:Available

Chemical Properties Of Dimethyl terephthalate 120-61-6

Appearance & Physical Statewhite chunks
Density1.29
Boiling Point288ºC
Melting Point140-143ºC
Flash Point154ºC
Refractive Index1.4752
StabilityStable. Incompatible with strong acids, strong bases, strong oxidizing agents.
Vapor Density1.04 (vs air)
Vapor Pressure1.15 mm Hg ( 93 °C)

Safety Information Of Dimethyl terephthalate 120-61-6

RTECSWZ1225000
Safety StatementsS24/25
WGK Germany1
RIDADR3256
Risk StatementsR36/37/38

Product Application Of Dimethyl terephthalate 120-61-6

  • Dimethyl terephthalate is used widely as an industrial intermediate to manufacture polyethylene terephthalate (PET) and dioctyl terephthalate (OECD, 2001).It is used in the Polyester Film (Audio/Video Tape,X-ray Film,Photo Film), Polyester Fiber, Pet Bottle, Polyester Adhesive, Engineering Plastics. DMT is volatile, it is an intermediate in some schemes for the recycling of PET.
  • Dimethyl terephthalate is used in the production of polyesters, including polyethylene terephthalate (PET) and poly trimethylene terephthalate. It consists of benzene substituted with carboxy methyl groups (CO2CH3) at the 1 and 4 positions. Because DMT is volatile, it is an intermediate in some schemes for the recyclic of PET, e.g. from plastic bottles.
    Hydrogenation of DMT affords the diol cyclohexanedimethanol, which is a useful monomer.

 

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