3,4-Dichloronitrobenzene
- Product Name
- 3,4-Dichloronitrobenzene
- CAS No.
- 99-54-7
- Chemical Name
- 3,4-Dichloronitrobenzene
- Synonyms
- 1,2-DICHLORO-4-NITROBENZENE;3,4-DCNB;ai3-03268(usda);3,4-Dichloronitroben;3,4-dichlornitrobenzen;LABOTEST-BB LT00436959;3,4-Dichlornitrobenzene;3,4-DICHLORONITROBENZENE;3，4-Dichluoronitrobenzene;3,4-Dichlor-1-nitrobenzol
- CBNumber
- CB8854768
- Molecular Formula
- C6H3Cl2NO2
- Formula Weight
- 192
- MOL File
- 99-54-7.mol
3,4-Dichloronitrobenzene Property
- Melting point:
- 39-41 °C(lit.)
- Boiling point:
- 255-256 °C(lit.)
- Density
- 1.48 g/cm3 (55℃)
- bulk density
- 750kg/m3
- vapor pressure
- 0.01 hPa (20 °C)
- refractive index
- 1.5929 (estimate)
- Flash point:
- 255 °F
- storage temp.
- Store below +30°C.
- solubility
- 0.151g/l
- form
- Crystalline Mass
- color
- Yellow to brown
- Water Solubility
- 151 mg/L (20 ºC)
- FreezingPoint
- 30~31℃
- BRN
- 1818163
- Stability:
- Stable. Incompatible with strong oxidizing agents, strong bases.
- CAS DataBase Reference
- 99-54-7(CAS DataBase Reference)
- NIST Chemistry Reference
- Benzene, 1,2-dichloro-4-nitro-(99-54-7)
- EPA Substance Registry System
- 3,4-Dichloronitrobenzene (99-54-7)
Safety
- Hazard Codes
- Xn,N
- Risk Statements
- 22-36-43-51/53
- Safety Statements
- 26-36/37-61-39-24/25
- RIDADR
- 2811
- WGK Germany
- 3
- RTECS
- CZ5250000
- Autoignition Temperature
- 420 °C
- TSCA
- Yes
- HazardClass
- 9
- PackingGroup
- III
- HS Code
- 29049085
- Hazardous Substances Data
- 99-54-7(Hazardous Substances Data)
- Toxicity
- LD50 orally in Rabbit: 643 mg/kg LD50 dermal Rat > 2000 mg/kg
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H302Harmful if swallowed
H317May cause an allergic skin reaction
H319Causes serious eye irritation
- Precautionary statements
-
P280Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
N-Bromosuccinimide Price
- Product number
- D68800
- Product name
- 1,2-Dichloro-4-nitrobenzene
- Purity
- 99%
- Packaging
- 100g
- Price
- $33.5
- Updated
- 2025/07/31
- Product number
- D0388
- Product name
- 3,4-Dichloronitrobenzene
- Purity
- >97.0%(GC)
- Packaging
- 25g
- Price
- $23
- Updated
- 2025/07/31
- Product number
- D0388
- Product name
- 3,4-Dichloronitrobenzene
- Purity
- >97.0%(GC)
- Packaging
- 500g
- Price
- $86
- Updated
- 2025/07/31
- Product number
- D435535
- Product name
- 1,2-Dichloro-4-nitrobenzene
- Packaging
- 100mg
- Price
- $120
- Updated
- 2021/12/16
- Product number
- JK330925
- Product name
- 3,4-Dichloronitrobenzene
- Purity
- 95%
- Packaging
- 100g
- Price
- $31
- Updated
- 2021/12/16
3,4-Dichloronitrobenzene Chemical Properties,Usage,Production
Chemical Properties
colourless to yellow crystals or beige powder
Uses
1,2-Dichloro-4-nitrobenzene is an intermediate in the synthesis of agrochemicals. Studies have been conducted to use 1,2-Dichloro-4-nitrobenzene as an organic intermediate for the synthetic preparation of ciprofloxacin (C482500).
Production Methods
Nitration of 1,2-dichlorobenzene with mixed acid at 35 – 60 ℃ results in a mixture of 3-nitro (10 %) and 4-nitro (90 %) isomers, which are separated by crystallization. A more expensive process (two stages from chlorobenzene) is based on chlorination of molten 4-chloronitrobenzene (90 – 100 ℃) by a process similar to that used for 3- chloronitrobenzene production. Chlorination has the advantage of giving a pure product, but it cannot be used if the isomeric 1,2-dichloro-3-nitrobenzene is also required.
Synthesis Reference(s)
The Journal of Organic Chemistry, 42, p. 3494, 1977 DOI: 10.1021/jo00442a009
General Description
Colorless crystals or light beige solid.
Air & Water Reactions
Insoluble in water.
Reactivity Profile
Can react vigorously with oxidizing materials.
Fire Hazard
3,4-Dichloronitrobenzene is combustible.
Flammability and Explosibility
Non flammable
Purification Methods
Crystallise it from absolute EtOH. [Beilstein 5 IV 726.]
3,4-Dichloronitrobenzene Preparation Products And Raw materials
Raw materials
Preparation Products
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