4-Hydroxythiophenol, extra pure >98%

Name: 4-Hydroxythiophenol, extra pure >98%
Brand: Vaqora Chemicals
SKU: VQ-020024

About 4-Hydroxythiophenol, extra pure >98%

4-Hydroxythiophenol (CAS 637-89-8) is an organosulfur compound offered by Vaqora Chemicals (Extra Pure grade), specified at above 98% purity. Formula C6H6OS, molecular weight 126.18 g/mol. Its systematic (IUPAC) name is 4-sulfanylphenol. Alternative names: 4-Mercaptophenol and 4-Hydroxybenzenethiol.

Keep the container tightly sealed and store it in a cool, dry area. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for organic synthesis and API synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 5 g, 25 g and 100 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. SDS and detailed specification sheets can be requested with your quotation. Custom pack sizes, bulk quantities and specific analytical data can be arranged on request.

Typical applications

Organic synthesis
API synthesis

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	4-Hydroxythiophenol, extra pure >98%
Catalogue No.	VQ-020024
CAS Number	637-89-8
IUPAC name	4-sulfanylphenol
Molecular formula	C₆H₆OS
Molecular weight	126.18 g/mol
Exact mass	126.0139
Grade	Extra Pure
Purity / assay	>98%
InChIKey	BXAVKNRWVKUTLY-UHFFFAOYSA-N
SMILES	C1=CC(=CC=C1O)S
PubChem CID	240147

Physical properties
Physical form	Other
LogP (XLogP3)	1.1
H-bond donors / acceptors	2 / 2
TPSA	21.2 Å²
Synonyms	4-Mercaptophenol, 4-Hydroxybenzenethiol, p-Mercaptophenol, Phenol, 4-mercapto-, Monothiohydroquinone, Phenol, p-mercapto-, Hydroquinone, monothio-, p-Hydroxythiophenol, Thiohydroquinone, USAF B-57, p-hydroxybenzenethiol

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, 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-Hydroxythiophenol, extra pure >98%?

The CAS Registry Number of 4-Hydroxythiophenol, extra pure >98% is 637-89-8. It is also known as 4-Mercaptophenol, 4-Hydroxybenzenethiol, p-Mercaptophenol.

What is the molecular formula and molecular weight of 4-Hydroxythiophenol, extra pure >98%?

4-Hydroxythiophenol, extra pure >98% has the molecular formula C6H6OS and a molecular weight of 126.18 g/mol. Its IUPAC name is 4-sulfanylphenol.

Which grade and pack sizes of 4-Hydroxythiophenol, extra pure >98% can I order?

We supply 4-Hydroxythiophenol, extra pure >98% in Extra Pure (>98%) grade, in 5 g, 25 g, 100 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 4-Hydroxythiophenol, extra pure >98%?

Yes. Every lot of 4-Hydroxythiophenol, extra pure >98% 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-Hydroxythiophenol, extra pure >98% be shipped internationally?

Yes. 4-Hydroxythiophenol, extra pure >98% 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.