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2-Phenylacetamide

Also known as: Phenylacetamide, alpha-Phenylacetamide, alpha-Toluamide, Benzeneacetamide, Phenylacetic acid amide, 2-Phenyl-acetamide, Acetamide, 2-phenyl-, MFCD00059193

2-Phenylacetamide (CAS 103-81-1) 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 156 °C, a boiling point of 312.2±21.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 142.6±22.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
103-81-1
Jingsj CID
J-829504-3
Molecular Formula
C8H9NO
Molecular Weight
135.163 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Melting Point156 °C
Boiling Point312.2±21.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point142.6±22.1 °C
Exact Mass135.068420
PSA43.09000
LogP0.45
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.553

Customs & Trade Information

HS Code2924299090
Summary2924299090. other cyclic amides (including cyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2-Phenylacetamide?

The CAS number of 2-Phenylacetamide is 103-81-1.

What are the molecular formula and molecular weight of 2-Phenylacetamide?

2-Phenylacetamide has molecular formula C8H9NO and molecular weight 135.163 g/mol.

What are the upstream and downstream products of 2-Phenylacetamide?

For 2-Phenylacetamide, Upstream Products: Phenylacetylene, Phenylacetaldehyde, Acetophenone; Downstream Products: Benzyl isocyanate, D-Phenylalanine, N-(Phenylacetyl)-L-phenylalanine.

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

Last updated:

How to cite: Jingsj. "2-Phenylacetamide (CAS 103-81-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-829504-3 (accessed 2026-11-09).

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