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1,4-Butanediol dimethacrylate

Also known as: Butane-1,4-diol dimethacrylate, 1,4-Butanediol bismethacrylate, Tetramethylene dimethacrylate, BDDMA, Butane-1,4-diyl bis(2-methylacrylate), Bismethacrylic acid 1,4-butanediyl ester

1,4-Butanediol dimethacrylate (CAS 2082-81-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H18O4 and a molecular weight of 226.269 g/mol. Key properties include a melting point of −117 °C(lit.), a boiling point of 290.5±13.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 135.1±18.2 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H317 — May cause an allergic skin reaction and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2082-81-7
Jingsj CID
J-1033633-1
Molecular Formula
C12H18O4
Molecular Weight
226.269 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point−117 °C(lit.)
Boiling Point290.5±13.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point135.1±18.2 °C
Exact Mass226.120514
PSA52.60000
LogP2.61
Additional Property2.09 (vs air)
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Index1.451

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H317 — May cause an allergic skin reaction
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2916190090
Summary2916190090 unsaturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。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 1,4-Butanediol dimethacrylate?

The CAS number of 1,4-Butanediol dimethacrylate is 2082-81-7.

What are the molecular formula and molecular weight of 1,4-Butanediol dimethacrylate?

1,4-Butanediol dimethacrylate has molecular formula C12H18O4 and molecular weight 226.269 g/mol.

Is 1,4-Butanediol dimethacrylate hazardous?

1,4-Butanediol dimethacrylate has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H317 — May cause an allergic skin reaction; H319 — Causes serious eye irritation.

What are the upstream and downstream products of 1,4-Butanediol dimethacrylate?

For 1,4-Butanediol dimethacrylate, Upstream Products: 1,4-Butanediol, Methyl methacrylate, Acryloyl chloride.

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

Last updated:

How to cite: Jingsj. "1,4-Butanediol dimethacrylate (CAS 2082-81-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1033633-1 (accessed 2026-11-09).

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