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1,3-Dinitrobenzene
1,3-Dinitrobenzene
- CAS:
- 99-65-0
- MF:
- C6H4N2O4
- MW:
- 168.11
Properties
- Melting point:
- 86 °C
- Boiling point:
- 297 °C(lit.)
- Density
- 1.575
- vapor pressure
- 8.15 x 10-4 mmHg at 35 °C (Hine et al., 1963)
- refractive index
- 1.4660 (estimate)
- Flash point:
- 150 °C
- storage temp.
- 2-8°C
- solubility
- Chloroform (Sparingly), DMSO (Slightly), Methanol (Very Slightly)
- form
- solid
- Specific Gravity
- 1.368
- color
- White to yellowish crystals
- Water Solubility
- 500 mg/L (20 ºC)
- Merck
- 14,3273
- BRN
- 1105654
- Exposure limits
- NIOSH REL: TWA 1, IDLH 50; OSHA PEL: TWA 1; ACGIH TLV: TWA 0.15 ppm for all isomers (adopted).
- Dielectric constant
- 2.8（20.0℃）
- Stability:
- Stable. Incompatible with reducing agents, oxidizing agents, strong bases. May explode if heated.
Safety Information
- Symbol(GHS)
GHS06,GHS08,GHS09
- Signal word
- Danger
- Hazard statements
- H300+H310+H330-H373-H410
- Precautionary statements
- P262-P273-P280-P302+P352+P310-P304+P340+P310-P314
- 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
- OEB
- C
- OEL
- TWA: 1 mg/m3 [skin]
- WGK Germany
- 3
- RTECS
- CZ7350000
- TSCA
- Yes
- HazardClass
- 6.1
- PackingGroup
- II
- HS Code
- 29042090
- Toxicity
- LD50 in male, female rats (mg/kg): 91, 81 orally (Cody)
Use
1,3-Dinitrobenzene (1,3-DNB) is an impurity present in the manufacture of 2,4,6-trinitrotoluene. Dinitrobenzene (as a mixture of 1,2-dinitro- 1,3-dinitro- and 1,4-dinitro-isomers) is used in the manufacture of dyes and explosives, and in organic syntheses.
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