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1,3-Dinitrobenzene structure
Chemical Name:
Molecular Formula:
Formula Weight:
MOL File:

1,3-Dinitrobenzene Properties

Melting point:
86 °C
Boiling point:
297 °C(lit.)
refractive index 
1.4660 (estimate)
Flash point:
150 °C
storage temp. 
Specific Gravity
Water Solubility 
500 mg/L (20 ºC)
Stable. Incompatible with reducing agents, oxidizing agents, strong bases. May explode if heated.
CAS DataBase Reference
99-65-0(CAS DataBase Reference)
NIST Chemistry Reference
Benzene, 1,3-dinitro-(99-65-0)
EPA Substance Registry System
Benzene, 1,3-dinitro-(99-65-0)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  T+,N,T,F,Xn
Risk Statements  26/27/28-33-50/53-40-36/37/38-23/24/25-11-52/53-36-20/21/22
Safety Statements  28-36/37-45-60-61-28A-27-16-26
RIDADR  UN 3443 6.1/PG 2
WGK Germany  3
RTECS  CZ7350000
HazardClass  6.1
PackingGroup  II
Hazardous Substances Data 99-65-0(Hazardous Substances Data)
Toxicity LD50 in male, female rats (mg/kg): 91, 81 orally (Cody)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
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
H320 Causes eye irritation Serious eye damage/eye irritation Category 2B Warning P264, P305+P351+P338,P337+P313
H330 Fatal if inhaled Acute toxicity,inhalation Category 1, 2 Danger P260, P271, P284, P304+P340, P310,P320, P403+P233, P405, P501
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
H341 Suspected of causing genetic defects Germ cell mutagenicity 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
H372 Causes damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 1 Danger P260, P264, P270, P314, 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
Precautionary statements:
P201 Obtain special instructions before use.
P202 Do not handle until all safety precautions have been read and understood.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P262 Do not get in eyes, on skin, or on clothing.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P284 Wear respiratory protection.
P320 Specific treatment is urgent (see … on this label).
P330 Rinse mouth.
P391 Collect spillage. Hazardous to the aquatic environment
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.
P307+P311 IF exposed: call a POISON CENTER or doctor/physician.
P405 Store locked up.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P501 Dispose of contents/container to..…

1,3-Dinitrobenzene price More Price(9)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 02827 1,3-Dinitrobenzene certified reference material, TraceCERT 99-65-0 100mg $76.2 2018-11-13 Buy
Sigma-Aldrich 41980 1,3-Dinitrobenzene for HPLC derivatization, for the detection of steroids 99-65-0 50g $175 2018-11-13 Buy
TCI Chemical D0817 1,3-Dinitrobenzene >99.0%(GC) 99-65-0 25g $32 2018-11-22 Buy
TCI Chemical D0817 1,3-Dinitrobenzene >99.0%(GC) 99-65-0 250g $136 2018-11-22 Buy
Sigma-Aldrich 442244 1,3-Dinitrobenzene analytical standard 99-65-0 442244 $31.4 2018-11-23 Buy

1,3-Dinitrobenzene Chemical Properties,Uses,Production

Chemical Properties

orange to yellow crystalline powder


ChEBI: A dinitrobenzene that is benzene disubstituted at positions 1 and 3 with nitro groups.

General Description

Yellow solid with a slight odor. Sinks in water.

Air & Water Reactions

Slowly mixes with water.

Reactivity Profile

All three isomers have similar properties and may react vigorously with oxidizing materials. Their reaction with nitric acid (nitration) will lead to a mixture of trinitrobenzenes possessing high-explosive properties [Urbanski, 1967, vol. 3, p. 290]. If heat and reaction conditions of the nitration are not controlled, detonation comparable to TNT may occur [Anon., J. R. Inst. Chem., 1960, 84, p. 451]. Mixture of 1,3-dinitrobenzene with tetranitromethane was found highly explosive [Urbanski, 1964, vol. 1, 592]. 1,2-dinitrobenzene is a severe explosion hazard when shocked or exposed to heat or flame. When heated to decomposition all dinitrobenzens emit toxic fumes of nitrogen oxides [Sax, 9th ed., 1996, p. 1374].

Health Hazard

Inhalation or ingestion causes loss of color, nausea, headache, dizziness, drowsiness, and collapse. Eyes are irritated by liquid. Stains skin yellow; if contact is prolonged, can be absorbed into blood and cause same symptoms as for inhalation.

Fire Hazard

Behavior in Fire: May explode

Safety Profile

Suspected carcinogen. Human poison by ingestion. Experimental poison by ingestion, intraperitoneal, and intravenous routes. Human systemic effects by skin contact: cyanosis and motor activity changes. Experimental reproductive effects. An eye irritant. Mutation data reported. Mixture with nitric acid is a high explosive. Mixture with tetranitromethane is a hgh explosive very sensitive to sparks. When heated to decomposition it emits toxic fumes of NOx. See also 0and pDINITROBENZENE.

Purification Methods

Crystallise 1,3-dinitrobenzene from alkaline EtOH solution (20g in 750mL 95% EtOH at 40o, plus 100mL of 2M NaOH) by cooling and adding 2.5L of H2O. The precipitate, after filtering off, is washed with H2O, sucked dry, and crystallised from 120mL, then 80mL of absolute EtOH [Callow et al. Biochem J 32 1312 1938]. Alternatively crystallise it from MeOH, CCl4 or EtOAc. It can be sublimed in a vacuum. [Tanner J Org Chem 52 2142 1987, Beilstein 5 IV 739.]

1,3-Dinitrobenzene Preparation Products And Raw materials

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