ChemicalBook >>2,4-Dinitrotoluene>>1-Methyl-2,4-Dinitrobenzene(121-14-2)

1-Methyl-2,4-Dinitrobenzene(121-14-2)

1-Methyl-2,4-Dinitrobenzene(121-14-2)
Product IdentificationBack to Contents
【Product Name】

1-Methyl-2,4-Dinitrobenzene
【Synonyms】

1-Methyl-2,4-dinitrobenzene
2,4-Dinitrotoluol
【CAS】

121-14-2
【Formula】

C7H6N2O4
【Molecular Weight】

182.15
【EINECS】

204-450-0
【RTECS】

XT1575000
【RTECS Class】

Tumorigen; Mutagen; Reproductive Effector; Primary Irritant
【Beilstein/Gmelin】

1912834
【Beilstein Reference】

4-05-00-00865
【EC Index Number】

609-007-00-9
【EC Class】

Carcinogenic Category 2; Mutagenic Category 3; Toxic for reproduction Category 3; Toxic; Harmful; Dangerous for the Environment
Physical and Chemical PropertiesBack to Contents
【Appearance】

Solidifies if allowed to cool.
【Solubility in water】

Insoluble
【Melting Point】

67-70
【Boiling Point】

300
【Vapor Pressure】

0.0021 (25 C)
【Density】

1.379 g/cm3 (20 C)
【Partition Coefficient】

1.98
【Heat Of Vaporization】

712 kJ/mol
【Heat Of Combustion】

-3516 kJ/mol
【Usage】

Chemical intermediate for toluene-2,4-diamine, a toluenediisocyanate int, gelatinizing & waterproofing agent in explosives, chemical intermediate for dyes (former use).
【Vapor Density】

6.27
【Refractive Index】

1.442 (20 C)
First Aid MeasuresBack to Contents
【Ingestion】

If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid.
【Inhalation】

Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
【Skin】

Get medical aid immediately. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
【Eyes】

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Handling and StorageBack to Contents
【Storage】

Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
【Handling】

Wash thoroughly after handling. Use only in a well ventilated area. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.
Hazards IdentificationBack to Contents
【Inhalation】

Causes respiratory tract irritation. Methemoglobinemia is characterized by dizziness, drowsiness, headache, breath shortness, cyanosis with bluish skin, rapid heart rate and chocolate-brown blood. This product contains nitrite which may cause methemoglobinemia.
【Skin】

Causes skin irritation.
【Eyes】

Causes eye irritation.
【Ingestion】

Harmful if swallowed. Causes gastrointestinal irritation with nausea, vomiting and diarrhea. May cause allergic reaction. Ingestion of nitrate containing compounds can lead to methemoglobinemia.
【Hazards】

Decomp is self-sustaining @ 280 deg c. Closed containers may rupture violently when heated.
【EC Risk Phrase】

R 45 23/24/25 48/22 51/53 62 68
【EC Safety Phrase】

S 53 45 61
【UN (DOT)】

2038
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
【Respirators】

Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
【Exposure Effects】

There is a danger of cumulative effects.
【Exposure limit(s)】

TLV: ppm; 1.5 mg/m3 (as TWA) (skin) (ACGIH 1996).
【Poison Class】

1*
Fire Fighting MeasuresBack to Contents
【Flash Point】

147
【Autoignition】

420
【Fire Fighting】

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire, use water fog, dry chemical, carbon dioxide, or regular foam.
【Upper exp. limit】

8.2
【Lower exp. limit】

1.4
【Fire Potential】

Slightly flammable.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Vacuum or sweep up material and place into a suitable disposal container. Avoid generating dusty conditions. Provide ventilation.
Stability and ReactivityBack to Contents
【Incompatibilities】

Oxidizing agents, reducing agents, strong bases, mixture with nitric acid is highly explosive, ignites on contact with sodium oxide.
【Stability】

Stable under normal temperatures and pressures. There are instances of explosion during manufacture or storage.
【Decomposition】

Nitrogen oxides, carbon monoxide, carbon dioxide.
【Combustion Products】

Nitrogen oxides and dense black smoke are produced in a fire.
Transport InformationBack to Contents
【UN Number】

2038
【Hazard Class】

6.1
【Packing Group】

II