Butyryl chloride
Also known as: Butanoyl chloride, Butyric acid chloride, Butyroyl chloride, n-Butyryl chloride, n-Butanoyl chloride, n-Butyric acid chloride, n-Butyroyl chloride, Butyrylchlorid, Butyrylchloride, butyryl, butyricchloride, N-Butyryl, MFCD00000752, EINECS 205-498-5
Butyryl chloride (CAS 141-75-3) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H7ClO and a molecular weight of 106.551 g/mol. Key properties include a melting point of −89 °C(lit.), a boiling point of 102.9±3.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 21.7±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 141-75-3
- Jingsj CID
- J-831004-6
- Molecular Formula
- C4H7ClO
- Molecular Weight
- 106.551 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | −89 °C(lit.) |
|---|---|
| Boiling Point | 102.9±3.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 21.7±0.0 °C |
| Exact Mass | 106.018539 |
| PSA | 17.07000 |
| LogP | 1.52 |
| Additional Property | 3.7 (vs air) |
| Vapor Pressure | 32.9±0.2 mmHg at 25°C |
| Refractive Index | 1.409 |
| Additional Property | decomposes |
| Additional Property | -89℃ |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| HS Code | 2915900090 |
|---|---|
| Summary | 2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Butyryl chloride?
The CAS number of Butyryl chloride is 141-75-3.
What are the molecular formula and molecular weight of Butyryl chloride?
Butyryl chloride has molecular formula C4H7ClO and molecular weight 106.551 g/mol.
Is Butyryl chloride hazardous?
Butyryl chloride has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of Butyryl chloride?
For Butyryl chloride, Upstream Products: Butyric acid, Isobutyryl chloride, Trimethylsilyl butyrate; Downstream Products: N-Methoxy-N-methylbutanamide, 1-(5-Bromothien-2-yl)butan-1-one, N,N-Diethylbutyramide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Butyryl chloride (CAS 141-75-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-831004-6 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.