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Acetanilide

Also known as: N-Phenylacetamide, Acetanil, Antifebrin, N-Acetylaniline, Acetylaniline, Acetamide, N-phenyl-

Acetanilide (CAS 103-84-4) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C8H9NO and a molecular weight of 135.163 g/mol. Key properties include a melting point of 113-115 °C(lit.), a boiling point of 254.9±23.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 145.6±11.9 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
103-84-4
Jingsj CID
J-38443-2
Molecular Formula
C8H9NO
Molecular Weight
135.163 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Melting Point113-115 °C(lit.)
Boiling Point254.9±23.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point145.6±11.9 °C
Exact Mass135.068420
PSA29.10000
LogP1.66
Additional Property4.65 (vs air)
Vapor Pressure0.0±0.5 mmHg at 25°C
Refractive Index1.519
Additional Property5 g/L (25 ºC)

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed

Customs & Trade Information

HS Code29242995

Frequently Asked Questions

What is the CAS number of Acetanilide?

The CAS number of Acetanilide is 103-84-4.

What are the molecular formula and molecular weight of Acetanilide?

Acetanilide has molecular formula C8H9NO and molecular weight 135.163 g/mol.

Is Acetanilide hazardous?

Acetanilide has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.

What are the upstream and downstream products of Acetanilide?

For Acetanilide, Upstream Products: Acetamide, Iodobenzene, Ethanol; Downstream Products: 1H-Pyrazolo[3,4-b]quinolin-3-amine, 4-Nitro-N,N-diphenylaniline, 4-tert-Butyl-2-chloroaniline.

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

Last updated:

How to cite: Jingsj. "Acetanilide (CAS 103-84-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38443-2 (accessed 2026-11-07).

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