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Dimethyl isophthalate

Also known as: 1,3-Benzenedicarboxylic acid dimethyl ester, Dimethyl 1,3-benzenedicarboxylate, Methyl isophthalate, Morflex 1129, Uniplex 270, RARECHEM AL BF 0071, Dimethyl m-phthalate

Dimethyl isophthalate (CAS 1459-93-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H10O4 and a molecular weight of 194.184 g/mol. Key properties include a melting point of 64-68 °C(lit.), a boiling point of 285.0±8.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 148.0±7.9 °C. It is classified under GHS with signal word Warning and hazard statements H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1459-93-4
Jingsj CID
J-47637-9
Molecular Formula
C10H10O4
Molecular Weight
194.184 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point64-68 °C(lit.)
Boiling Point285.0±8.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point148.0±7.9 °C
Exact Mass194.057907
PSA52.60000
LogP2.45
Additional Property6.8 (vs air)
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Index1.515
Additional PropertyInsoluble

GHS Safety & Compliance

IrritantSignal word: Warning
  • H319 — Causes serious eye irritation

Customs & Trade Information

HS Code2917399090
Summary2917399090 aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Dimethyl isophthalate?

The CAS number of Dimethyl isophthalate is 1459-93-4.

What are the molecular formula and molecular weight of Dimethyl isophthalate?

Dimethyl isophthalate has molecular formula C10H10O4 and molecular weight 194.184 g/mol.

Is Dimethyl isophthalate hazardous?

Dimethyl isophthalate has GHS signal word Warning and hazard statements H319 — Causes serious eye irritation.

What are the upstream and downstream products of Dimethyl isophthalate?

For Dimethyl isophthalate, Upstream Products: Methanol, Isophthalic acid, 1-Bromo-3-chlorobenzene; Downstream Products: cis-1,3-Cyclohexanedicarboxylic anhydride, Dimethyl 5-bromoisophthalate, 1,3-Benzenedimethanethiol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Dimethyl isophthalate (CAS 1459-93-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47637-9 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.