Direct Black R

  • Diamine Direct Black RW
  • Chloramine Black W
  • Cotton Black MT
  • Atlantic Black RW
  • Disodium 4-amino-3-[[4'-[(2,4-diamino-5-methylphenyl)azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulfonate
  • 2,7-Naphthalenedisulfonic acid, 4-amino-3-[[4'-[(2,4-diamino-5-methylphenyl)azo][1,1'-biphenyl]-4-yl]azo]-5-hydroxy-6-(phenylazo)-, disodium salt
Formula
C35H29N9O7S2.2Na
Structure
Uses
Uses include dye for coloring and printing on cellulose, wool and silk, dye for leather and paper, stain for wool, silk and nylon.

Registry Numbers and Inventories.
CAS
2429-83-6
EC (EINECS/ELINCS)
219-392-1
Swiss Giftliste 1
G-43834
Canada DSL/NDSL
NDSL
US TSCA
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed

Properties.
Formula
C35H29N9O7S2.2Na
Formula mass
797.78

Hazards and Protection.

Fire.

Health.
Poison_Class
1*
Exposure effects
Properties of this material have not yet been prepared. Any recommendations are of a general nature. Many chemicals cause irritation of the eyes, skin, and respiratory tract. In severe cases respiratory tract irritation can progress to ARDS/acute lung injury which may be delayed in onset for up to 24 to 72 hours in some cases Irritation or burns of the esophagus or gastrointestinal tract are also possible if caustic or irritant chemicals are ingested. ALWAYS contact your local poision control authority or medical professional for assistance.

First aid
 

Transport.