4-Mercaptophenylacetic acid, 97%

Name: 4-Mercaptophenylacetic acid, 97%
Brand: Vaqora Chemicals
SKU: VQ-010796

About 4-Mercaptophenylacetic acid, 97%

Vaqora Chemicals supplies 4-Mercaptophenylacetic acid, an organosulfur compound registered under CAS number 39161-84-7 at a purity of 97%. Its molecular formula is C8H8O2S and its molecular weight is 168.21 g/mol. Its systematic (IUPAC) name is 2-(4-sulfanylphenyl)acetic acid. Alternative names: 2-(4-mercaptophenyl)acetic acid and Benzeneacetic acid, 4-mercapto-.

It is supplied as a white to almost white powder. Literature values give a melting point of 105-109 °C. Keep the material at 2–8 °C and protect it from moisture. It carries the GHS signal word “Danger” with 4 hazard statements. Review the Safety Data Sheet before use.

Typical applications include protein and peptide research and organic synthesis. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 4-Mercaptophenylacetic acid in 100 mg, 500 mg and 1 g packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Protein & peptide research
Organic synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	4-Mercaptophenylacetic acid, 97%
Catalogue No.	VQ-010796
CAS Number	39161-84-7
IUPAC name	2-(4-sulfanylphenyl)acetic acid
Molecular formula	C₈H₈O₂S
Molecular weight	168.21 g/mol
Exact mass	168.0245
Purity / assay	97%
HSN code	29333990
InChIKey	ORXSLDYRYTVAPC-UHFFFAOYSA-N
SMILES	C1=CC(=CC=C1CC(=O)O)S
PubChem CID	3390511

Physical properties
Physical form	Powder
Appearance	White to almost white powder
Melting point	105-109 °C
LogP (XLogP3)	1.8
H-bond donors / acceptors	2 / 3
TPSA	38.3 Å²
Storage	2–8 °C
Synonyms	2-(4-mercaptophenyl)acetic acid, Benzeneacetic acid, 4-mercapto-, 4-mercaptobenzeneacetic acid, p-Mercaptophenylacetic acid, (4-Carboxymethyl)thiophenol, MPAA cpd, 4-Mercaptobenzeneacetate, (4-mercaptophenyl)acetic acid, Benzeneacetic acid,4-mercapto-, (4-mercapto-phenyl)-acetic acid, 4-Mercaptophenylacetic acid 97%, 4-mercaptophenylaceti cacid

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P317, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 4-Mercaptophenylacetic acid, 97%?

The CAS Registry Number of 4-Mercaptophenylacetic acid, 97% is 39161-84-7. It is also known as 2-(4-mercaptophenyl)acetic acid, Benzeneacetic acid, 4-mercapto-, 4-mercaptobenzeneacetic acid.

What is the molecular formula and molecular weight of 4-Mercaptophenylacetic acid, 97%?

4-Mercaptophenylacetic acid, 97% has the molecular formula C8H8O2S and a molecular weight of 168.21 g/mol. Its IUPAC name is 2-(4-sulfanylphenyl)acetic acid.

Which grade and pack sizes of 4-Mercaptophenylacetic acid, 97% can I order?

We supply 4-Mercaptophenylacetic acid, 97% in (97%) grade, in 100 mg, 500 mg, 1 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 4-Mercaptophenylacetic acid, 97%?

Yes. Every lot of 4-Mercaptophenylacetic acid, 97% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 4-Mercaptophenylacetic acid, 97% be shipped internationally?

Yes. 4-Mercaptophenylacetic acid, 97% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.

How should 4-Mercaptophenylacetic acid, 97% be stored?

2–8 °C. Keep the container tightly closed and refer to the SDS for full handling guidance.