Valeryl chloride
Also known as: Pentanoyl chloride, n-Valeryl chloride, n-Pentoyl chloride, Valeroyl chloride, n-Butylcarbonyl chloride, Valeric acid chloride, Pentanoic acid chloride, VACL
Valeryl chloride (CAS 638-29-9) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H9ClO and a molecular weight of 120.577 g/mol. Key properties include a melting point of -110 °C, a boiling point of 128.4±3.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 32.8±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H314 — Causes severe skin burns and eye damage and H331 — Toxic if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 638-29-9
- Jingsj CID
- J-33676-5
- Molecular Formula
- C5H9ClO
- Molecular Weight
- 120.577 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -110 °C |
|---|---|
| Boiling Point | 128.4±3.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 32.8±0.0 °C |
| Exact Mass | 120.034195 |
| PSA | 17.07000 |
| LogP | 2.05 |
| Vapor Pressure | 10.6±0.2 mmHg at 25°C |
| Refractive Index | 1.417 |
| Additional Property | decomposes |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H314 — Causes severe skin burns and eye damage
- H331 — Toxic if inhaled
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 Valeryl chloride?
The CAS number of Valeryl chloride is 638-29-9.
What are the molecular formula and molecular weight of Valeryl chloride?
Valeryl chloride has molecular formula C5H9ClO and molecular weight 120.577 g/mol.
Is Valeryl chloride hazardous?
Valeryl chloride has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H314 — Causes severe skin burns and eye damage; H331 — Toxic if inhaled.
What are the upstream and downstream products of Valeryl chloride?
For Valeryl chloride, Upstream Products: Pentanoic acid, 1,2-Hexanediol, Benzoyl chloride; Downstream Products: 4-pentylaniline, 5-Undecanone, Methyl 3-oxoheptanoate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Valeryl chloride (CAS 638-29-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33676-5 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.