Skip to main content

Butyrophenone

Also known as: 1-Phenyl-1-butanone, 1-Phenylbutan-1-one, Butyrylbenzene, Propyl phenyl ketone, Phenyl n-propyl ketone, n-Butyrophenone, Phenyl Propyl Ketone

Butyrophenone (CAS 495-40-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H12O and a molecular weight of 148.202 g/mol. Key properties include a melting point of 11-13 °C(lit.), a boiling point of 228.5±0.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 88.9±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H317 — May cause an allergic skin reaction and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
495-40-9
Jingsj CID
J-45549-7
Molecular Formula
C10H12O
Molecular Weight
148.202 g/mol
Category
Ketones
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point11-13 °C(lit.)
Boiling Point228.5±0.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point88.9±0.0 °C
Exact Mass148.088821
PSA17.07000
LogP2.73
Vapor Pressure0.1±0.4 mmHg at 25°C
Refractive Index1.503

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger
  • H317 — May cause an allergic skin reaction
  • H318 — Causes serious eye damage

Customs & Trade Information

HS Code2914399090
Summary2914399090. other aromatic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Butyrophenone?

The CAS number of Butyrophenone is 495-40-9.

What are the molecular formula and molecular weight of Butyrophenone?

Butyrophenone has molecular formula C10H12O and molecular weight 148.202 g/mol.

Is Butyrophenone hazardous?

Butyrophenone has GHS signal word Danger and hazard statements H317 — May cause an allergic skin reaction; H318 — Causes serious eye damage.

What are the upstream and downstream products of Butyrophenone?

For Butyrophenone, Upstream Products: 1-Phenyl-1-butanol, 1-Butyn-1-ylbenzene, Butyronitrile; Downstream Products: 2-Iodo-1-phenyl-1-butanone, 2-phenyl-2-pentanol, 5-Ethyl-4-phenyl-1,3-thiazol-2-amine.

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

Last updated:

How to cite: Jingsj. "Butyrophenone (CAS 495-40-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45549-7 (accessed 2026-11-07).

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