Famphur

Name: Famphur
Brand: Vaqora Chemicals
SKU: VQ-039803

About Famphur

Vaqora Chemicals supplies Famphur, an analytical reagent registered under CAS number 52-85-7. Formula C10H16NO5PS2, molecular weight 325.3 g/mol. Its systematic (IUPAC) name is 4-dimethoxyphosphinothioyloxy-N,N-dimethylbenzenesulfonamide. Alternative names: Warbexol and Famophos warbex.

Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

It is commonly used for agrochemical formulations and laboratory analysis. Typical end-use sectors are academic and industrial research and agrochemical production.

Vaqora Chemicals supplies Famphur in 100 mg, 250 mg, 1 g and 5 g packs, each shipped with a Certificate of Analysis (COA), and exports 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

Agrochemical formulations
Laboratory analysis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Famphur
Catalogue No.	VQ-039803
CAS Number	52-85-7
IUPAC name	4-dimethoxyphosphinothioyloxy-N,N-dimethylbenzenesulfonamide
Molecular formula	C₁₀H₁₆NO₅PS₂
Molecular weight	325.3 g/mol
Exact mass	325.0208
InChIKey	JISACBWYRJHSMG-UHFFFAOYSA-N
SMILES	CN(C)S(=O)(=O)C1=CC=C(C=C1)OP(=S)(OC)OC
PubChem CID	5859

Physical properties
Physical form	Other
LogP (XLogP3)	2.2
H-bond donors / acceptors	0 / 7
TPSA	106 Å²
Synonyms	Warbexol, Famophos warbex, American cyanamid CL-38,023, ENT 25,644, Phosphorothioic acid, O-(4-((dimethylamino)sulfonyl)phenyl) O,O-dimethyl ester, O-4-Dimethylsulfamoylphenyl O,O-dimethyl phosphorothioate, O,O-Dimethyl O-(p-(dimethylsulfamoyl)phenyl) phosphorothioate, O-(4-((Dimethylamino)sulfonyl)phenyl) O,O-dimethyl phosphorothioate, O-[4-(dimethylsulfamoyl)phenyl] O,O-dimethyl thiophosphate, O-[4-(dimethylsulfamoyl)phenyl] O,O-dimethyl phosphorothioate, Phosphorothioic acid, O-(4-((dimethylamino)sulfonyl)phenyl) O,O-, Phosphorothioic acid, O-[4-[(dimethylamino)sulfonyl]phenyl] O,O-dimethyl ester

Safety & hazard information (GHS)

Toxic

Harmful / irritant

Signal word: Danger

Hazard statements

H300Fatal if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation

Precautionary statements: P264, P264 + P265, P270, P280, P301 + P316, P302 + P352, P305 + P351 + P338, P317, P321, P330, P332 + P317, P337 + P317, P362 + P364, 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 Famphur?

The CAS Registry Number of Famphur is 52-85-7. It is also known as Warbexol, Famophos warbex, American cyanamid CL-38,023.

What is the molecular formula and molecular weight of Famphur?

Famphur has the molecular formula C10H16NO5PS2 and a molecular weight of 325.3 g/mol. Its IUPAC name is 4-dimethoxyphosphinothioyloxy-N,N-dimethylbenzenesulfonamide.

Which grade and pack sizes of Famphur can I order?

We supply Famphur, in 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Famphur?

Yes. Every lot of Famphur 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 Famphur be shipped internationally?

Yes. Famphur 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.