p-Toluenesulphonyl urea, 98%

Name: p-Toluenesulphonyl urea, 98%
Brand: Vaqora Chemicals
SKU: VQ-010936

About p-Toluenesulphonyl urea, 98%

Listed under CAS 1694-06-0, p-Toluenesulphonyl urea is an organosulfur compound available from Vaqora Chemicals, specified at 98% purity. Formula C8H10N2O3S, molecular weight 214.24 g/mol. Its systematic (IUPAC) name is (4-methylphenyl)sulfonylurea. Common synonyms include Tolazamide and 4-Tolylsulfonylurea.

The material typically appears as white to light yellow powder or crystals. Literature values give a melting point of 190 °C. Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

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 25 g and 100 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	p-Toluenesulphonyl urea, 98%
Catalogue No.	VQ-010936
CAS Number	1694-06-0
IUPAC name	(4-methylphenyl)sulfonylurea
Molecular formula	C₈H₁₀N₂O₃S
Molecular weight	214.24 g/mol
Exact mass	214.0412
Purity / assay	98%
HSN code	29332990
InChIKey	RUTYWCZSEBLPAK-UHFFFAOYSA-N
SMILES	CC1=CC=C(C=C1)S(=O)(=O)NC(=O)N
PubChem CID	74327

Physical properties
Physical form	Crystalline
Appearance	White to light yellow powder or crystals
Melting point	190 °C
LogP (XLogP3)	0.6
H-bond donors / acceptors	2 / 3
TPSA	97.6 Å²
Synonyms	Tolazamide, 1-(Hexahydro-1H-azepin-1-yl)-3-(p-toluenesulfonyl)urea, 4-Tolylsulfonylurea, 4-Methylphenylsulfonylurea, n-carbamoyl-4-methylbenzenesulfonamide, 4-Toluenesulfonylurea, p-Toluenesulfonylurea, N-(p-Toluenesulfonyl)urea, (4-methylbenzenesulfonyl)urea, Benzenesulfonamide, N-(aminocarbonyl)-4-methyl-, N-(Aminocarbonyl)-4-methylbenzenesulphonamide, amino-N-[(4-methylphenyl)sulfonyl]amide

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, 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 p-Toluenesulphonyl urea, 98%?

The CAS Registry Number of p-Toluenesulphonyl urea, 98% is 1694-06-0. It is also known as Tolazamide, 1-(Hexahydro-1H-azepin-1-yl)-3-(p-toluenesulfonyl)urea, 4-Tolylsulfonylurea.

What is the molecular formula and molecular weight of p-Toluenesulphonyl urea, 98%?

p-Toluenesulphonyl urea, 98% has the molecular formula C8H10N2O3S and a molecular weight of 214.24 g/mol. Its IUPAC name is (4-methylphenyl)sulfonylurea.

Which grade and pack sizes of p-Toluenesulphonyl urea, 98% can I order?

We supply p-Toluenesulphonyl urea, 98% in (98%) grade, in 25 g, 100 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with p-Toluenesulphonyl urea, 98%?

Yes. Every lot of p-Toluenesulphonyl urea, 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 p-Toluenesulphonyl urea, 98% be shipped internationally?

Yes. p-Toluenesulphonyl urea, 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.