4-NITRO-o-PHENYLENEDIAMINE (ICSC)

4-NITRO-o-PHENYLENEDIAMINE	ICSC: 1543

Date of Peer Review: October 2004

4-Nitro-1,2-benzenediamine
1,2-Diamino-4-nitrobenzene
2-Amino-4-nitroaniline

CAS #	99-56-9	C₆H₇N₃O₂ / C₆H₃(NH₂)₂NO₂
RTECS #	ST2975000	Molecular mass: 153.1
UN #
EC #

TYPES OF HAZARD / EXPOSURE	ACUTE HAZARDS / SYMPTOMS	PREVENTION	FIRST AID / FIRE FIGHTING
FIRE	Combustible. Gives off irritating or toxic fumes (or gases) in a fire.	NO open flames.	Water spray, powder.
EXPLOSION

EXPOSURE	See EFFECTS OF LONG-TERM OR REPEATED EXPOSURE.	PREVENT DISPERSION OF DUST! STRICT HYGIENE!
Inhalation		Local exhaust or breathing protection.	Fresh air, rest.
Skin		Protective gloves. Protective clothing.	Remove contaminated clothes. Rinse skin with plenty of water or shower.
Eyes		Safety goggles.	First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
Ingestion		Do not eat, drink, or smoke during work.	Rinse mouth.

SPILLAGE DISPOSAL

PACKAGING & LABELLING

Personal protection: P2 filter respirator for harmful particles. Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting.

EU Classification
UN Classification

EMERGENCY RESPONSE

SAFE STORAGE

Separated from incompatible materials. See Chemical Dangers.

IPCS
International
Programme on
Chemical Safety

Prepared in the context of cooperation between the International Programme on Chemical Safety and the Commission of the European Communities © IPCS, CEC 2004

SEE IMPORTANT INFORMATION ON BACK

4-NITRO-o-PHENYLENEDIAMINE

ICSC: 1543

IMPORTANT DATA

PHYSICAL STATE; APPEARANCE:
RED POWDER

CHEMICAL DANGERS:
The substance decomposes on burning producing toxic fumes including nitrogen oxides. Reacts with strong acids, strong oxidants and strong reducing agents.

OCCUPATIONAL EXPOSURE LIMITS:
TLV not established.
MAK not established.

INHALATION RISK:
No indication can be given about the rate in which a harmful concentration in the air is reached on evaporation of this substance at 20°C.

EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:
Repeated or prolonged contact may cause skin sensitization.

PHYSICAL PROPERTIES

Melting point: 201°C
Solubility in water: poor

Octanol/water partition coefficient as log Pow: 0.88

ENVIRONMENTAL DATA

NOTES

The substance is combustible but no flash point is available in literature. Environmental effects from the substance have not been investigated. Do NOT take working clothes home.

ADDITIONAL INFORMATION

LEGAL NOTICE

Neither the CEC nor the IPCS nor any person acting on behalf of the CEC or the IPCS is responsible for the use which might be made of this information

    See Also:
       Toxicological Abbreviations