Dimethyl Terephthalate (DMT)
High-purity polyester-grade DMT — chemical-recycling process, purity ≥99.9%, CAS 120-61-6, 5,000 t/y capacity. Key monomer for PBT / PETG / PCTG / PET resin and polyester coatings. MSDS · COA and global bulk supply.
Chemical identification & properties
Dimethyl Terephthalate (DMT) is a key monomer for polyester synthesis. ResourceCycle uses a methanolysis-based chemical recycling process to molecularly depolymerize waste PET and polyester into high-purity DMT at ≥99.9% polyester-grade purity.
- Chinese name
- 对苯二甲酸二甲酯
- IUPAC Name
- Dimethyl benzene-1,4-dicarboxylate
- Synonyms
- DMT · Dimethyl Terephthalate · 1,4-Benzenedicarboxylic acid dimethyl ester
- CAS Number
- 120-61-6
- EC Number
- 204-411-8
- HS Code
- 29173600
- Molecular Formula
- C₁₀H₁₀O₄
- Molecular Weight
- 194.18 g/mol
- Appearance
- White crystalline flake / powder
- Melting Point
- 140–142 °C
- Boiling Point
- 288 °C
- Density
- 1.20 g/cm³ (25 °C)
Polyester-grade specifications
All ResourceCycle DMT specs exceed industry standards. Third-party COA issued per batch — available for download.
| Parameter | ResourceCycle Spec | Test Method |
|---|---|---|
| Purity (GC) | ≥99.9% | GB/T 1668 |
| Colority (APHA) | ≤5 | ASTM D1209 |
| Acid Value | ≤0.01 mg KOH/g | GB/T 1668 |
| Moisture | ≤0.1% | Karl Fischer |
| Ash | ≤0.001% | GB/T 1463 |
| Fe Content | ≤0.5 ppm | ICP-MS |
| Melting Point | 140–142 °C | DSC |
| Volatiles | ≤0.1% | GC |
| Thermal Stability | Pass PET polymerization | — |
DMT downstream applications
DMT is the key monomer for PBT, PETG / PCTG, CHDM, PET resin and polyester coatings, spanning EV, electronics, medical, packaging and appliances.
- 01Engineering plastics
PBT
High heat / rigidity engineering plastics for EV, 5G stations, electronics.
- 02Copolyester
PETG / PCTG
High-clarity, impact-resistant copolyester for cosmetics, baby care, premium containers.
- 03High-end intermediate
CHDM
Cyclohexanedimethanol for PCT / PETG, optical & shrink films.
- 04Polyester
PET
PET resin & polyester fiber for bottles, fiber, film grades.
- 05Coating resin
Polyester coatings
High-gloss, weather-resistant polyester resin for appliance, coil & automotive coatings.
Why ResourceCycle DMT
Chemical recycling process · kiloton capacity · joint R&D with Zhejiang University — virgin-grade quality and stable supply.
Molecular-level depolymerization
Proprietary methanolysis chemically depolymerizes waste PET / polyester to yield DMT plus EG by-product.
Polyester-grade quality
Purity ≥99.9%, color ≤5 APHA, acid value ≤0.01 — virgin polyester grade, drop-in ready.
Low energy · low carbon
Energy consumption 30%+ lower than traditional PTA route; ~1.4 t CO₂ saved per ton DMT.
Stable kiloton supply
5,000 t/y DMT + 1,600 t/y EG; Huanggang kiloton facility in stable production.
Packaging, MOQ & logistics
- 25 kg bag
- PE-lined PP woven bag · palletized (1 t / 1.25 t)
- Bulk bag (500 / 1000 kg)
- FIBC ton bag, PE-lined
- Bulk container
- ISO container / bulk negotiable
- MOQ
- 1 ton / order
- Lead time
- In-stock 7 working days / custom 15–30 days
- Incoterms
- EXW / FOB / CIF / DAP
- Export port
- Shanghai · Ningbo · Qingdao
- Storage
- Dry, cool, sealed, away from ignition
Frequently asked questions
Procurement, technical and logistics FAQ. Contact sales for anything else.
CAS 120-61-6, EC 204-411-8, HS code 29173600. Molecular formula C₁₀H₁₀O₄, molecular weight 194.18 g/mol. White crystalline flake / powder at room temperature, melting point 140–142°C.
Request a DMT quote or sample
Submit your spec, annual volume and destination port. We will respond within 24 hours with EXW / FOB / CIF quote.