Molecular Structure

English name：

4,4'-Bis(chlorosulphonyl)diphenyl ether 

English alias：   

4,4-Bis-(chlorosulfonyl)-biphenyl ether; (Diphenyl ether)-4,4-disulphonyl chloride; 4,4-Oxybis(benzenesulphonyl chloride); P,P-Oxybisbenzenesulfonyl chloride; 4,4′-Oxybisbenzenesulfonyl Chloride; OBSC; 4,4'-Oxybis(benzenesulfonyl Chloride); 4,4'-Oxybis(benzene-1-sulphonyl) dichloride; 4,4'-oxydibenzenesulfonyl chloride; Bis(4-chlorosulfonylphenyl)ether

CAS：

121-63-1

EINECS：

204-488-8

Molecular formula：

C12H8Cl2O5S2

Molecular weight：

367.2249

InChI：

InChI=1/C12H8Cl2O5S2/c13-20(15,16)11-5-1-9(2-6-11)19-10-3-7-12(8-4-10)21(14,17)18/h1-8H

Density：

1.573g/cm3 

Boiling point：

471.8°C at 760 mmHg

Flash point：

239.1°C

Vapor pressure：

1.28E-08mmHg at 25°C 

Product Usage：

It is an intermediate for the production of OBSH blowing agents    Risk term：

R34:Causes burns.;

Safety term：

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.;
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.;
S45:In case of accident of if you feel unwell, seek medical advice immediately (show the label where possible).;