Basic information
- Name:
Benzenamine,2-nitro-N-phenyl-
- Superlist Name:
- 2-Nitrodiphenylamine
- CAS No.:
119-75-5
- Molecular Structure:
- Formula:
- C12H10N2O2
- Molecular Weight:
- 214.22
- Synonyms:
- Diphenylamine,2-nitro- (8CI);2-Nitro-N-phenylaniline;C.I. 10335;N-Phenyl-2-nitroaniline;N-Phenyl-2-nitrobenzenamine;N-Phenyl-o-nitroaniline;NSC 105613;NSC 4754;NSC 629274;Sudan Yellow 1339;o-(Phenylamino)nitrobenzene;o-Nitro-N-phenylaniline;o-Nitrodiphenylamine;
- EINECS:
- 204-348-6
- Density:
- 1.36 g/cm3
- Melting Point:
- 74-76 °C(lit.)
- Boiling Point:
- 353.7 °C at 760 mmHg
- Flash Point:
- 167.7 °C
- Appearance:
- red crystalline solid
- Hazard Symbols:
Xi- Risk Codes:
- 36/37/38
- Safety Description:
- 26-37/39 Details
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Chemistry
2-Nitrodiphenylamine(119-75-5), also called NDPA, 2-NDPA, 2NO2DPA, Sudan Yellow 1339, C.I. 10335, CI 10335, phenyl 2-nitrophenylamine, 2-nitro-N-phenylaniline, or N-phenyl-o-nitroaniline, is an organic chemical, a nitrated aromatic amine, a derivate of diphenylamine. Its chemical formula is C12H10N2O2, or C6H5NHC6H4NO2. It is a red crystalline solid, usually in form of flakes or powder, with melting point of 74-76 °C and boiling point of 346 °C. It is polar but hydrophobic. Its CAS number is 119-75-5.
The molecular structure of 2-Nitrodiphenylamine(119-75-5):
The molecular structure of 2-Nitrodiphenylamine(119-75-5):
Uses
2-Nitrodiphenylamine(119-75-5) is used as a stabilizer for synthetic rubbers, explosives, propellants (eg. in Otto fuel II, smokeless powders, in some US Army double-base propellants in solid rockets, and in other applications involving nitric acid esters), plastics, and lubricants. It is also an intermediate for organic synthesis, and a civilian solvent dye.
In some explosives, it is used to control the explosion. One of its major uses is to control the explosion rate of propylene glycol dinitrate.
As a stabilizer, its major role is to eliminate the acidic nitrates and nitrogen oxides produced by gradual decomposition of nitric acid esters, which would otherwise autocatalyze further decomposition. Its amount is usually 1-2% of the mixture; higher amounts than 2% degrade the propellant's ballistic properties. The amount of the stabilizer depletes with time; remaining content of less than 0.5% (with initial 2% content) requires increased surveillance of the munition, with less than 0.2% warranting immediate disposal, as the depletion of the stabilizer may lead to autoignition of the propellant.
In some explosives, it is used to control the explosion. One of its major uses is to control the explosion rate of propylene glycol dinitrate.
As a stabilizer, its major role is to eliminate the acidic nitrates and nitrogen oxides produced by gradual decomposition of nitric acid esters, which would otherwise autocatalyze further decomposition. Its amount is usually 1-2% of the mixture; higher amounts than 2% degrade the propellant's ballistic properties. The amount of the stabilizer depletes with time; remaining content of less than 0.5% (with initial 2% content) requires increased surveillance of the munition, with less than 0.2% warranting immediate disposal, as the depletion of the stabilizer may lead to autoignition of the propellant.
Toxicity Data With Reference
RTECS#: CAS# 119-75-5: None listed
LD50/LC50: RTECS: Not available. Other: Oral, rat: LD50 > 3200 mg/kg
Carcinogenicity: 2-Nitrodiphenylamine - Not listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65.
Other: The toxicological properties have not been fully investigated.
LD50/LC50: RTECS: Not available. Other: Oral, rat: LD50 > 3200 mg/kg
Carcinogenicity: 2-Nitrodiphenylamine - Not listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65.
Other: The toxicological properties have not been fully investigated.
Safety Profile
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36-37/39
WGK Germany 3
Hazard Note Irritant
HS Code 29214400
Risk Statements 36/37/38
Safety Statements 26-36-37/39
WGK Germany 3
Hazard Note Irritant
HS Code 29214400
Specification
Chemical Stability: Stable under normal temperatures and pressures.
Conditions to Avoid: High temperatures, incompatible materials.
Incompatibilities with Other Materials Strong oxidizing agents, strong acids.
Hazardous Decomposition Products Nitrogen oxides, carbon monoxide, carbon dioxide.
Hazardous Polymerization Has not been reported.
Conditions to Avoid: High temperatures, incompatible materials.
Incompatibilities with Other Materials Strong oxidizing agents, strong acids.
Hazardous Decomposition Products Nitrogen oxides, carbon monoxide, carbon dioxide.
Hazardous Polymerization Has not been reported.
