2,5-Dichloronitrobenzene
2,5-Dichloronitrobenzene
CAS: 89-61-2
Molecular Formula: C6H3Cl2NO2
2,5-Dichloronitrobenzene - Names and Identifiers
| Name | 2,5-Dichloronitrobenzene |
| Synonyms | NITRO-P-DICHLOROBENZENE Nitro-p-dichlorobenzene 2,5-Dichloronitrobenzene 2,5-DICHLORONITROBENZENE 2-NITRO-P-DICHLOROBENZENE 2,5-DICHLORO-1-NITROBENZENE 1,4-Dichloro-2-nitrobenzene 2-NITRO-1,4-DICHLOROBENZENE Benzene, 2,5-dichloronitro- Benzene,1-nitro-2,5-dichloro Benzene,1,4-dichloro-2-nitro- |
| CAS | 89-61-2 |
| EINECS | 201-923-3 |
| InChI | InChI=1/C6H3Cl2NO2/c7-4-1-2-5(8)6(3-4)9(10)11/h1-3H |
2,5-Dichloronitrobenzene - Physico-chemical Properties
| Molecular Formula | C6H3Cl2NO2 |
| Molar Mass | 192 |
| Density | 1,442 g/cm3 |
| Melting Point | 52-54°C(lit.) |
| Boling Point | 267 °C |
| Flash Point | >230°F |
| Water Solubility | Soluble in water, ethanol, ether, benzene, carbon disulfide. Slightly soluble in carbon tetrachloride. |
| Solubility | 0.083g/l |
| Vapor Presure | <0.1 mm Hg ( 25 °C) |
| Vapor Density | 6.6 (vs air) |
| Appearance | neat |
| Color | Pale Yellow |
| BRN | 778109 |
| Storage Condition | Store below +30°C. |
| Explosive Limit | 2.4-8.5%(V) |
| Refractive Index | 1.4390 (estimate) |
| Physical and Chemical Properties | Properties prismatic or platelet-like bodies crystallized from ethanol and platelet-like bodies crystallized from ethyl acetate. melting point 56 ℃ boiling point 267 ℃ relative density 1.4390 solubility insoluble in water, soluble in chloroform, hot ethanol, ether, carbon disulfide and benzene. |
| Use | Used as a dye intermediate, for ice dye dye Red color base GG, red color base 3GL, red base RC, etc., is also a nitrogen fertilizer Synergist, nitrogen fixation and fertilizer effect |
2,5-Dichloronitrobenzene - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R36 - Irritating to the eyes R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S60 - This material and its container must be disposed of as hazardous waste. |
| UN IDs | UN 3077 9/PG 3 |
| WGK Germany | 2 |
| RTECS | CZ5260000 |
| TSCA | Yes |
| HS Code | 29049085 |
| Hazard Class | 9 |
| Packing Group | III |
2,5-Dichloronitrobenzene - Upstream Downstream Industry
| Raw Materials | para-Dichlorobenzene Sulfuric acid Nitric acid |
| Downstream Products | 2,5-Dichloroaniline clozapine |
2,5-Dichloronitrobenzene - Nature
Open Data Verified Data
prisms or platelets were crystallized from ethanol and platelets were crystallized from ethyl acetate. The relative density was 1. 4390. Melting point 56 °c. Boiling point 267 °c. Insoluble in water, soluble in chloroform, hot ethanol, ethyl ether, carbon disulfide and benzene.
Last Update：2024-01-02 23:10:35
2,5-Dichloronitrobenzene - Preparation Method
Open Data Verified Data
p-dichlorobenzene is nitrated with mixed acid, and the reaction product is washed with water, neutralized and separated to obtain a finished product.
Last Update：2022-01-01 10:50:13
2,5-Dichloronitrobenzene - Use
Open Data Verified Data
mainly used as a dye intermediate for the preparation of 2,5-chloroaniline (large red color group GG). It can also be used as a nitrogen fertilizer synergist.
Last Update：2022-01-01 10:50:13
2,5-Dichloronitrobenzene - Safety
Open Data Verified Data
- This product is toxic, and has a stimulating effect on the skin and mucous membranes, but the toxicity is lower than one chlorine nitrobenzene. See para-nitrochlorobenzene.
- It is packed in iron drum with a net weight of 200kg per drum. Hazardous materials shall be stored and transported according to regulations.
Last Update：2022-01-01 10:50:14
2,5-Dichloronitrobenzene - Reference Information
| LogP | 2.87 at 25℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| (IARC) carcinogen classification | 2B (Vol. 65, 123) 2020 |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | 2, 5-dichloronitrobenzene is an intermediate of the herbicides dicamba and quetiapine, 5-dichloroaniline as dye intermediate. 2, 5-dichloronitrobenzene can be reduced by condensation with phenol to obtain 2-amino-4-chlorodiphenyl ether, which is also a dye intermediate and can be used to synthesize weak acid dyes such as red B, it can also be used as a nitrogen fertilizer synergist. used as dye intermediate, used for ice dye dye Red color base GG, red color base 3GL, red color base RC, etc. It is also a nitrogen fertilizer Synergist, and has the function of nitrogen fixation and fertilizer retention |
| production method | p-dichlorobenzene is nitrated by mixed acid, and the reaction product is washed with water, neutralized and separated to obtain a finished product. Fixed consumption of raw materials: P-dichlorobenzene (96%)790kg/t, nitric acid (98%)350kg/t, sulfuric acid (98%)620kg/t, liquid alkali (30%/100%)1142kg/t. The preparation method is that p-dichlorobenzene is used as a raw material, and concentrated nitric acid, concentrated sulfuric acid and a small amount of water are added for nitration. |
| category | toxic substances |
| toxicity grade | poisoning |
| Acute toxicity | oral-rat LD50: 1000 mg/kg; Oral-mouse LD50: 2850 mg/kg |
| stimulation data | Skin-rabbits 500 mg/24 h mild; eye-rabbit 100 mg/24 h moderate |
| flammability hazard characteristics | open flame flammable; Working with oxidants; high thermal decomposition of nitrogen oxides and chloride gas |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored separately from oxidants and food additives |
| extinguishing agent | water mist, foam, carbon dioxide, sand. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 02:00:12
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Raw Materials for 2,5-Dichloronitrobenzene
Downstream Products for 2,5-Dichloronitrobenzene