English name: 4,4'-Diaminodiphenylsulfone

CAS number: 80-08-0

Molecular formula: C12H12N2O2S

Molecular weight: 248.3

EINECS number: 201-248-4

MDL No. : MFCD00007887

Stats

Melting point 175-177 °C(lit.)

Boiling point 511.7±35.0 °C(Predicted)

Density 1.2701 (rough estimate)

Vapor pressure 0.004Pa at 25℃

Refractive index 1.5950 (estimate)

Storage conditions 2-8°C

Solubility 0.38g/l

Acidity coefficient (pKa)pKb 13.0(at 25℃)

Morphology Crystalline Powder

The color is White to beige

PH 5.5-7.5 (H2O, 20℃)(saturated aqueous solution)

Water solubility < 0.1g /100 mL at 20 oC

Merck14, 2822

BRN788055

BCS Class4,2

Stable. Combustible. Incompatible with strong oxidizing agents.

InChIKeyMQJKPEGWNLWLTK-UHFFFAOYSA-N

LogP0.97 at 25 ° C

Safety information

hazard symbol (GHS)GHS hazard pictogramsGHS hazard pictogramsGHS Hazard pictogramgrams

GHS07,GHS08,GHS09

Danger

Hazard Description H302-H370-H373-H411

Precautions P260-P264-P270-P273-P301+P312-P308+P311

Dangerous goods mark Xn

Danger category code 22

Safety Note 22

Dangerous goods Transport number 3249

WGK Germany1

RTECS number BY8925000

TSCAYes

Hazard Level 6.1(b)

Packaging Category III

Customs Code 29051620

Customs Code 29309070

LD50 orally in Rabbit: 1000 mg/kg LD50 dermal Rabbit > 4000 mg/kg

Company introduction

Hebei yanxi chemical co. LTD.  has expanded a compositive entity from initially only as a small manufacturer. The company dedicated to the development, production and marketing of chemicals. Main products are CAS:28578-16-7 CAS:5449-12-7 CAS:20320-59-6 CAS:5337-93-9 Lead acetate (cas: 6080-56-4), 2-phenylacetamide (cas103-81-1), After many years of efforts, we have established stable and friendly business relations with dozens of European and American pharmaceutical companies, multinational chemical companies and importers.

Our company possesses the right of self-support import & export, a strong technical force and advanced processing equipments. The quality of the products has been strictly inspected and all kinds of index have reached or exceeded domestic and international standards.