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Phenylglyoxal monohydrate

Also known as: 2,2-Dihydroxy-1-phenylethan-1-one, 2,2-Dihydroxyacetophenone, 2,2-Dihydroxy-1-phenyl-ethanone, Benzoylformaldehyde monohydrate, Phenylglyoxal hydrate, Phenylglyoxal, dihydroxy acetophenone, phenylglyoxal hemiacetal, phenylglyoxyl monohydrate

Phenylglyoxal monohydrate (CAS 1075-06-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H8O3 and a molecular weight of 152.14700 g/mol. Key properties include a melting point of 76-79 °C(lit.), a boiling point of 142 °C125 mm Hg(lit.), a density of 1.307 g/cm3 and a flash point of 142°C/125mm. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1075-06-5
Jingsj CID
J-47815-5
Molecular Formula
C8H8O3
Molecular Weight
152.14700 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point76-79 °C(lit.)
Boiling Point142 °C125 mm Hg(lit.)
Density1.307 g/cm3
Flash Point142°C/125mm
Exact Mass152.04700
PSA43.37000
LogP1.00390
Vapor Pressure0.00469mmHg at 25°C
Refractive Index1.59

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Activity & Biological Data

Additional Information[1]. Tania Kundu, et al. Expeditious and eco-friendly synthesis of new multifunctionalized pyrrole derivatives and evaluation of their antioxidant property. Bioorg Chem. 2020 May;98:103734.

Customs & Trade Information

HS Code2914400090
Summary2914400090 other ketone-alcohols and ketone-aldehydes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Phenylglyoxal monohydrate?

The CAS number of Phenylglyoxal monohydrate is 1075-06-5.

What are the molecular formula and molecular weight of Phenylglyoxal monohydrate?

Phenylglyoxal monohydrate has molecular formula C8H8O3 and molecular weight 152.14700 g/mol.

Is Phenylglyoxal monohydrate hazardous?

Phenylglyoxal monohydrate has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

What are the upstream and downstream products of Phenylglyoxal monohydrate?

For Phenylglyoxal monohydrate, Upstream Products: Acetophenone, Phenylglyoxal monohydrate, Phenylacetylene; Downstream Products: 2,5-Diphenyloxazole, styrene glycol, Benzoylformic 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. "Phenylglyoxal monohydrate (CAS 1075-06-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47815-5 (accessed 2026-11-06).

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