3,3'-Dichlorobenzidine dihydrochloride

33DCB; 4,4-Diamino-3,3-dichlorobiphenyl dihydrochloride; 3,3-Dichloro-4,4-biphenyldiamine dihydrochloride; 3,3-Dichloro-4,4-diaminodiphenyl dihydrochloride

H302 Harmful if swallowed; H312 Harmful in contact with skin; H315 Causes skin irritation; H317 May cause an allergic skin reaction; H319 Causes serious eye irritation; H332 Harmful if inhaled; H335 May cause respiratory irritation; H350 May cause cancer; H410 Very toxic to aquatic life with long-lasting effects.

P261 Avoid breathing dust/fume/gas/mist/vapors/spray; P273 Avoid release to the environment; P280 Wear protective gloves/protective clothing/eye protection/face protection; P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell; P302+P352 IF ON SKIN: wash with plenty of soap and water; P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing; P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing; P308+P313 IF exposed or concerned: Get medical advice/attention; P333+P313 IF SKIN irritation or rash occurs: Get medical advice/attention.