General

Synonyms: 4,4'-diaminodiphenyl sulfone, 4,4'-sulfonylbisbenzamine, bis(4-aminophenyl)sulfone, bis(4-aminophenyl)sulphone, di(p-aminophenyl)sulfone, di(4-aminophenyl)sulfone, diaphenylsulfon, dapsone, avlosulfon, cryosulfone, dapps, dds, diphenasone, disulone, dss, diphone, eporal, maloprim, metabolite c, tarimyl, numerous further systematic and trade names
Use: antibacterial drug
Molecular formula: C₁₂H₁₂N₂O₂S
CAS No: 80-08-0
EINECS No:

Physical data

Appearance: white crystalline powder
Melting point: 175 - 176 C
Boiling point:
Vapour density:
Vapour pressure:
Density (g cm^-3): 1.33
Flash point:
Explosion limits:
Autoignition temperature:
Water solubility: negligible

Stability

Stable. Combustible. Incompatible with strong oxidizing agents.

Toxicology

Harmful if swallowed, inhaled or absorbed through the skin. Experimental mutagen and neoplastigen.

Toxicity data
(The meaning of any toxicological abbreviations which appear in this section is given here.)
ORL-RAT LD50 1000 mg kg^-1
ORL-HMN TDLO 18000 mg kg^-1/15y
ORL-WMN TDLO 28 mg kg^-1
IPR-MUS LD50 313 mg kg^-1
SCU-MUS LD50 329 mg kg^-1

Risk phrases
(The meaning of any risk phrases which appear in this section is given here.)
R20 R21 R22.

Transport information

(The meaning of any UN hazard codes which appear in this section is given here.)

Personal protection

Safety glasses. Do not breathe dust.

Safety phrases
(The meaning of any safety phrases which appear in this section is given here.)

[Return to Physical & Theoretical Chemistry Lab. Safety home page.]

This information was last updated on August 31, 2005. We have tried to make it as accurate and useful as possible, but can take no responsibility for its use, misuse, or accuracy. We have not verified this information, and cannot guarantee that it is up-to-date.