2,4-Dinitroresorcinol

  • 2,4-Dinitro-1,3-benzenediol
  • 3-Hydroxy-2,4-dinitrophenol
Formula
C6H4N2O6
Structure
Description
A white to light-colored crystalline solid. Wetted with not less than 15% water
Uses
For dyeing fabrics mordanted with iron a green color.

Registry Numbers and Inventories.
CAS
519-44-8
EC (EINECS/ELINCS)
208-270-3
UN (DOT)
1322
Merck
12,3337
Beilstein/Gmelin
2055995
Beilstein Reference
4-06-00-05696

Properties.
Formula
C6H4N2O6
Formula mass
200.11
Melting point, °C
142
Boiling point, °C
281
Vapor pressure, mmHg
0.0022 (25 C)
Solubility in water
Very soluble
pKa/pKb
3.75 (pKa)
Heat of vaporization
54.1 kJ/mol

Hazards and Protection.
Protection
Wear appropriate protective gloves, clothing and goggles.
Respirators
Wear positive pressure self-contained breathing apparatus (SCBA).
Small spills/leaks
Make no contact with the spilled material. ELIMINATE ignition sources and ground all equipment. Flush area with flooding quantities of water.
Incompatibilities
Avoid contact with strong oxidizing agents
Decomposition
Potential for explosion.

Fire.
Flash Point,°C
125
Fire fighting
Use plenty of water - FLOOD it! If water is not available, use CO2, dry chemical or dirt.
Hazards
DRIED OUT material may explode if exposed to heat, flame, friction or shock; Treat as an explosive.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.

Health.
Exposure effects
   Ingestion
See inhalation.
   Inhalation
May be toxic if inhaled, igestioned or on contact..
   Skin
Can be absorbed through the skin. May cause burns. See inhalation.
   Eyes
May cause burns. See inhalation.

First aid
 
   Ingestion
Seek medical assistance.
   Inhalation
Move victim to fresh air. Apply artificial respiration if victim is not breathing. Administer oxygen if breathing is difficult.
   Skin
Remove and isolate contaminated clothing and shoes. Flush with running water for at least 20 minutes.
   Eyes
Flush with running water for at least 20 minutes.

Transport.
UN number
1322
Response guide
Hazard class
4.1