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3,5-Dihydroxyphenylacetic acid

Also known as: 2-(3,5-Dihydroxyphenyl)acetic acid, (3,5-Dihydroxyphenyl)acetic acid, 3,5-Dihydroxybenzeneacetic acid, Benzeneacetic acid, 3,5-dihydroxy-, QV1R CQ EQ

3,5-Dihydroxyphenylacetic acid (CAS 4670-09-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H8O4 and a molecular weight of 168.147 g/mol. Key properties include a boiling point of 416.1±14.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 219.6±16.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4670-09-1
Jingsj CID
J-1398464-0
Molecular Formula
C8H8O4
Molecular Weight
168.147 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point416.1±14.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point219.6±16.6 °C
Exact Mass168.042252
PSA77.76000
LogP0.05
Vapor Pressure0.0±1.0 mmHg at 25°C
Refractive Index1.643

Customs & Trade Information

HS Code2918290000
SummaryHS: 2918290000 other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) VAT:17.0% MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3,5-Dihydroxyphenylacetic acid?

The CAS number of 3,5-Dihydroxyphenylacetic acid is 4670-09-1.

What are the molecular formula and molecular weight of 3,5-Dihydroxyphenylacetic acid?

3,5-Dihydroxyphenylacetic acid has molecular formula C8H8O4 and molecular weight 168.147 g/mol.

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

Last updated:

How to cite: Jingsj. "3,5-Dihydroxyphenylacetic acid (CAS 4670-09-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1398464-0 (accessed 2026-11-09).

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