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2,4-Dinitrotoluene structure
Chemical Name:
DNT;2,4-dnt;NCI-C01865;Dinitrotoluol;DINITROTOLUENE;2,4-dinitrotoluol;2,4-dinitro-toluen;2,4-DINITROTOLUENE;rcrawastenumberu105;2,4 DNT AND 2,6 DNT
Molecular Formula:
Formula Weight:
MOL File:

2,4-Dinitrotoluene Properties

Melting point:
67-70 °C(lit.)
Boiling point:
300 °C
1,521 g/cm3
vapor pressure 
1 mm Hg ( 102.7 °C)
refractive index 
Flash point:
155 °C
storage temp. 
Water Solubility 
0.3 g/L (20 ºC)
Stable. Incompatible with oxidizing agents, reducing agents, strong bases.
CAS DataBase Reference
121-14-2(CAS DataBase Reference)
NIST Chemistry Reference
Benzene, 1-methyl-2,4-dinitro-(121-14-2)
EPA Substance Registry System
Benzene, 1-methyl-2,4-dinitro-(121-14-2)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
  • NFPA
Hazard Codes  T,N,F
Risk Statements  45-23/24/25-48/22-51/53-62-68-39/23/24/25-11-52/53-36-20/21/22-50/53
Safety Statements  53-45-61-36/37-16-26-60
RIDADR  UN 3454 6.1/PG 2
WGK Germany  3
RTECS  XT1575000
HazardClass  6.1
PackingGroup  II
Hazardous Substances Data 121-14-2(Hazardous Substances Data)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501
H310 Fatal in contact with skin Acute toxicity,dermal Category 1, 2 Danger P262, P264, P270, P280, P302+P350,P310, P322, P361, P363, P405, P501
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H330 Fatal if inhaled Acute toxicity,inhalation Category 1, 2 Danger P260, P271, P284, P304+P340, P310,P320, P403+P233, P405, P501
H331 Toxic if inhaled Acute toxicity,inhalation Category 3 Danger P261, P271, P304+P340, P311, P321,P403+P233, P405, P501
H341 Suspected of causing genetic defects Germ cell mutagenicity Category 2 Warning P201,P202, P281, P308+P313, P405,P501
H350 May cause cancer Carcinogenicity Category 1A, 1B Danger
H361 Suspected of damaging fertility or the unborn child Reproductive toxicity Category 2 Warning P201, P202, P281, P308+P313, P405,P501
H370 Causes damage to organs Specific target organ toxicity, single exposure Category 1 Danger P260, P264, P270, P307+P311, P321,P405, P501
H373 May cause damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 2 Warning P260, P314, P501
H400 Very toxic to aquatic life Hazardous to the aquatic environment, acute hazard Category 1 Warning P273, P391, P501
H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
H411 Toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 2
H412 Harmful to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 3 P273, P501
Precautionary statements:
P201 Obtain special instructions before use.
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P320 Specific treatment is urgent (see … on this label).
P330 Rinse mouth.
P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P308+P313 IF exposed or concerned: Get medical advice/attention.
P405 Store locked up.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.

NFPA 704

Diamond Hazard Value Description
3 3
Health   3 Short exposure could cause serious temporary or moderate residual injury (e.g. liquid hydrogen, sulfuric acid, calcium hypochlorite, hexafluorosilicic acid)
Flammability   1 Materials that require considerable preheating, under all ambient temperature conditions, before ignition and combustion can occur. Includes some finely divided suspended solids that do not require heating before ignition can occur. Flash point at or above 93.3 °C (200 °F). (e.g. mineral oil, ammonia)
Instability   3 Capable of detonation or explosive decomposition but requires a strong initiating source, must be heated under confinement before initiation, reacts explosively with water, or will detonate if severely shocked (e.g. ammonium nitrate, cesium, hydrogen peroxide)

(NFPA, 2010)

2,4-Dinitrotoluene price More Price(9)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 101397 2,4-Dinitrotoluene 97% 121-14-2 5g $22.3 2018-11-13 Buy
Sigma-Aldrich 101397 2,4-Dinitrotoluene 97% 121-14-2 1kg $171 2018-11-13 Buy
Sigma-Aldrich ERD-152S 2,4-Dinitrotoluene solution 10 mg/mL in acetonitrile, ampule of 5 mL, certified reference material 121-14-2 152s-5ml $186 2018-11-13 Buy
Sigma-Aldrich ERD-033S 2,4-Dinitrotoluene solution 1000 μg/mL in acetonitrile, ampule of 1.2 mL, certified reference material 121-14-2 033s-1.2ml $21.1 2018-11-13 Buy
Sigma-Aldrich 47747 2,4-Dinitrotoluene solution 1000 μg/mL in acetonitrile, analytical standard 121-14-2 47747 $31.2 2018-11-23 Buy

2,4-Dinitrotoluene Chemical Properties,Uses,Production

Chemical Properties



A metabolite of TNT (2,4,6-trinitrotoluene). The metabolites of TNT


ChEBI: A dinitrotoluene in which the methyl group is ortho to one of the nitro groups and para to the other. It is the most common isomer of dinitrotoluene.

General Description

Heated yellow liquid. Solidifies if allowed to cool. Insoluble in water and more dense than water. Toxic by skin absorption, inhalation and ingestion. Easily absorbed through the skin. Produces toxic oxides of nitrogen during combustion. Used to make dyes and other chemicals.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

DINITROTOLUENE is incompatible with strong oxidizing agents, caustics, active metals, tin and zinc . Decomposition occurs at 250°C. Prolonged heating below 250°C causes some decomposition, and the presence of impurities may decrease the decomposition temperatures. Decomposition is self-sustaining at 280°C. Containers may explode in a fire [USCG, 1999]. May react violently in the presence of a base or when heated to the boiling point. Attacks some forms of plastics, rubbers and coatings .

Health Hazard

Ingestion or overexposure to vapors from hot liquid can cause loss of color, nausea, headache, dizziness, drowsiness, collapse. Hot liquid can burn eyes and skin. Prolonged skin contact with solid can give same symptoms as after inhalation or ingestion.

Safety Profile

Suspected carcinogen with experimental carcinogenic and neoplastigenic data. Poison by ingestion and subcutaneous routes. Experimental reproductive effects. A skin irritant. Mutation data reported. An irritant and an allergen. Can cause anemia, methemoglobinemia, cyanosis, and liver damage. Combustible when exposed to heat or flame; can react with oxidtzing materials. To fight fire, use water spray or mist, dry chemical. Decomposes when heated to 250℃. There are instances of explosion during manufacture or storage. Mixture with nitric acid is a hgh explosive. Mixture with sodtum carbonate can decompose with significant pressure increase at 210°C.Mixtures with other alkalies may have the same effect. Ignttes on contact with sodium oxide. When heated to decomposition it emits toxic fumes of NOx

Metabolic pathway

The major biliary metabolite of 2,4-dinitrotoluene (2,4- DNT) in the rat is the glucuronide conjugate of 2,4- dinitrobenzyl alcohol and the minor metabolites are 2,4-dinitrobenzyl alcohol, 2,4-dinitrobenzaldehyde, 2- acetylamino-4-nitrotoluene, 4-amino-2-nitro or 2- amino-4-nitrobenzyl alcohol sulfate, 2,4-dinitrobenzoic acid, 2,4-diacetylaminobenzoic acid, and 2-amino-4- nitrobenzoic acid.

Purification Methods

Crystallise it from Me2CO, isopropanol or MeOH. Dry it in a vacuum over H2SO4. It has also been purified by zone melting. It could be EXPLOSIVE when dry.[Beilstein 5 H339, 5 IV 865, 5 III 759.]

2,4-Dinitrotoluene Preparation Products And Raw materials

Raw materials

Preparation Products

2,4-Dinitrotoluene Suppliers

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2,4-Dinitrotoluene Spectrum

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