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.
China
