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4-Methylphenylglyoxal hydrate

Also known as: 2,2-Dihydroxy-4'-methylacetophenone, 2,2-dihydroxy-1-(4-methylphenyl)ethan-1-one, 2-(4-methylphenyl)-2-oxoacetaldehyde hydrate, 4-tolylglyoxal monohydrate, p-tolylglyoxal monohydrate, NSC 402744

4-Methylphenylglyoxal hydrate (CAS 16208-14-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H10O3 and a molecular weight of 166.17400 g/mol. Key properties include a boiling point of 289.1ºC at 760mmHg, a density of 1.252g/cm3 and a flash point of 142.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
16208-14-3
Jingsj CID
J-1582846-3
Molecular Formula
C9H10O3
Molecular Weight
166.17400 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point289.1ºC at 760mmHg
Density1.252g/cm3
Flash Point142.9ºC
Exact Mass166.06300
PSA43.37000
LogP1.31230
Vapor Pressure0.0503mmHg at 25°C
Refractive Index1.525

Customs & Trade Information

HS Code2915900090
Summary2915900090 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 4-Methylphenylglyoxal hydrate?

The CAS number of 4-Methylphenylglyoxal hydrate is 16208-14-3.

What are the molecular formula and molecular weight of 4-Methylphenylglyoxal hydrate?

4-Methylphenylglyoxal hydrate has molecular formula C9H10O3 and molecular weight 166.17400 g/mol.

What are the upstream and downstream products of 4-Methylphenylglyoxal hydrate?

For 4-Methylphenylglyoxal hydrate, Upstream Products: 4'-Methylacetophenone, 2-(4-methylphenyl)-2-oxoacetaldehyde; Downstream Products: 2-(4-methylphenyl)-2-oxoacetic acid.

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

Last updated:

How to cite: Jingsj. "4-Methylphenylglyoxal hydrate (CAS 16208-14-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1582846-3 (accessed 2026-11-09).

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