Fumaryl chloride
Also known as: trans-Butenedioyl chloride, Fumaryl dichloride, Fumaroyl chloride, Fumaroyl dichloride, trans-2-Butenedioyl dichloride, Fumaric acid dichloride, fumaric acid chloroanhydride, fumaric acid dichloroanhydride, but-2-enedioyl dichloride, (2E)-2-Butenedioyl dichloride, Dichlorid kyseliny fumarove, FumarylChoride
Fumaryl chloride (CAS 627-63-4) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H2Cl2O2 and a molecular weight of 152.96300 g/mol. Key properties include a melting point of -2 °C, a boiling point of 161-164 °C(lit.), a density of 1.415 g/mL at 25 °C(lit.) and a flash point of 73.9 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 627-63-4
- Jingsj CID
- J-11082-7
- Molecular Formula
- C4H2Cl2O2
- Molecular Weight
- 152.96300 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -2 °C |
|---|---|
| Boiling Point | 161-164 °C(lit.) |
| Density | 1.415 g/mL at 25 °C(lit.) |
| Flash Point | 73.9 °C |
| Exact Mass | 151.94300 |
| PSA | 34.14000 |
| LogP | 1.07340 |
| Refractive Index | n20/D 1.499(lit.) |
| Additional Property | decomposes |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| HS Code | 2917190090 |
|---|---|
| Summary | 2917190090 acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Fumaryl chloride?
The CAS number of Fumaryl chloride is 627-63-4.
What are the molecular formula and molecular weight of Fumaryl chloride?
Fumaryl chloride has molecular formula C4H2Cl2O2 and molecular weight 152.96300 g/mol.
Is Fumaryl chloride hazardous?
Fumaryl chloride has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Fumaryl chloride (CAS 627-63-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11082-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.