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4-Phenoxybutanoic acid

4-苯氧基丁酸

Also known as: 4-phenoxybutyric acid, 4-Phenoxy-n-butyric acid, 4-PHENOXYBUTYRIC ACID,CERTIFIED 标准品, 4-phenoxy-buttersaeure, gamma-phenoxybutyric acid, AKOS BBS-00007709, AURORA 4256, Butanoic acid,4-phenoxy, Butyric acid,4-phenoxy, EINECS 228-603-6, MFCD00042656, OTAVA-BB BB0109160009

4-Phenoxybutanoic acid (CAS 6303-58-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H12O3 and a molecular weight of 180.20000 g/mol. It is also known as 4-phenoxybutyric acid, 4-Phenoxy-n-butyric acid and 4-PHENOXYBUTYRIC ACID,CERTIFIED 标准品. Key properties include a melting point of 63-65 °C, a boiling point of 170 °C / 7mmHg, a density of 1.143 g/cm3 and a flash point of 140.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
6303-58-8
Jingsj CID
J-1328444-6
Molecular Formula
C10H12O3
Chinese Name
4-苯氧基丁酸
Molecular Weight
180.20000 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point63-65 °C
Boiling Point170 °C / 7mmHg
Density1.143 g/cm3
Flash Point140.5ºC
Exact Mass180.07900
PSA46.53000
LogP1.93020
Refractive Index1.526
Additional Propertyethanol: 0.1 g/mL, clear

Customs & Trade Information

HS Code2918990090
Summary2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. 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 4-Phenoxybutanoic acid?

The CAS number of 4-Phenoxybutanoic acid is 6303-58-8.

What are the molecular formula and molecular weight of 4-Phenoxybutanoic acid?

4-Phenoxybutanoic acid has molecular formula C10H12O3 and molecular weight 180.20000 g/mol.

What are the upstream and downstream products of 4-Phenoxybutanoic acid?

For 4-Phenoxybutanoic acid, Upstream Products: 4-(4-chloro-2-methylphenoxy)butanoic acid, Ethyl 4-phenoxybutanoate, Phenol; Downstream Products: 4-Phenoxybutyryl chloride, Ethyl 4-phenoxybutanoate, 5-phenoxypentanoic acid.

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

Last updated:

How to cite: Jingsj. "4-Phenoxybutanoic acid (CAS 6303-58-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1328444-6 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.