4-Isothiocyanatobenzoic acid

Also known as: 4-Carboxyphenyl isothiocyanate, p-Isothiocyanatobenzoic acid, Benzoic acid, 4-isothiocyanato-, 4-Isothiocyanatobenzoic acid, 98%, 4-ICBA, MFCD00041369, NSC 52064, RARECHEM AL BO 0440

4-Isothiocyanatobenzoic acid (CAS 2131-62-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H5NO2S and a molecular weight of 179.19600 g/mol. Key properties include a melting point of 220 °C, a boiling point of 361.6ºC at 760mmHg, a density of 1.27g/cm3 and a flash point of 172.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2131-62-6
Jingsj CID: J-4891-9
Molecular Formula: C₈H₅NO₂S
Molecular Weight: 179.19600 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	220 °C
Boiling Point	361.6ºC at 760mmHg
Density	1.27g/cm3
Flash Point	172.5ºC
Exact Mass	179.00400
PSA	81.75000
LogP	2.11910
Vapor Pressure	7.34E-06mmHg at 25°C

Customs & Trade Information

HS Code	2930909090
Summary	2930909090. other organo-sulphur compounds. 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-Isothiocyanatobenzoic acid?

The CAS number of 4-Isothiocyanatobenzoic acid is 2131-62-6.

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

4-Isothiocyanatobenzoic acid has molecular formula C8H5NO2S and molecular weight 179.19600 g/mol.

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

For 4-Isothiocyanatobenzoic acid, Downstream Products: 4-Methoxycarbonylphenyl isothiocyanate, 4-(4-Carboxyphenyl)-3-thiosemicarbazide, Amoscanate.

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

Last updated: 8/21/2026

How to cite: Jingsj. "4-Isothiocyanatobenzoic acid (CAS 2131-62-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4891-9 (accessed 2026-11-09).

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