3,4-Dichlor-1-nitrobenzol
3,4-Dichloronitrobenzene
CAS: 99-54-7
Molecular Formula: C6H3Cl2NO2
3,4-Dichlor-1-nitrobenzol - Names and Identifiers
3,4-Dichlor-1-nitrobenzol - Physico-chemical Properties
| Molecular Formula | C6H3Cl2NO2 |
| Molar Mass | 192 |
| Density | 1.48 g/cm3 (55℃) |
| Melting Point | 39-41°C(lit.) |
| Boling Point | 255-256°C(lit.) |
| Flash Point | 255°F |
| Water Solubility | 151 mg/L (20 ºC) |
| Solubility | 0.151g/l |
| Vapor Presure | 0.01 hPa (20 °C) |
| Appearance | Crystalline Mass |
| Color | Yellow to brown |
| BRN | 1818163 |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Incompatible with strong oxidizing agents, strong bases. |
| Refractive Index | 1.5929 (estimate) |
| Physical and Chemical Properties | Properties of waxy yellow solid. melting point 39-45°C boiling point 255-256°C flash point 123°C water-soluble 151 mg/L (20°C) |
| Use | Is 3-chloro-4-fluoronitrobenzene, 3-chloro-4-fluoroaniline, 3, 4-dichloroaniline and other important intermediates of organic chemical products |
3,4-Dichlor-1-nitrobenzol - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R36 - Irritating to the eyes R43 - May cause sensitization by skin contact 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. S36/37 - Wear suitable protective clothing and gloves. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S39 - Wear eye / face protection. S24/25 - Avoid contact with skin and eyes. |
| UN IDs | 2811 |
| WGK Germany | 3 |
| RTECS | CZ5250000 |
| TSCA | Yes |
| HS Code | 29049085 |
| Hazard Class | 9 |
| Packing Group | III |
| Toxicity | LD50 orally in Rabbit: 643 mg/kg LD50 dermal Rat > 2000 mg/kg |
3,4-Dichlor-1-nitrobenzol - Reference Information
| freezing point | 30~31 ℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | is 3-chloro-4-fluoronitrobenzene, 3-chloro-4-fluoroaniline, important intermediates of 4-dichloroaniline and other organic chemical products pharmaceutical and pesticide intermediates. |
| production method | There are two main production methods. One is by O-dichlorobenzene nitration, nitration temperature can be controlled at about 0 ℃, can also be carried out at slightly higher than room temperature; Another production method is p-nitrochlorobenzene chlorination. |
| category | toxic substances |
| toxicity grade | poisoning |
| Acute toxicity | oral-rat LD50: >500 mg/kg; oral-mouse 1384 mg/kg |
| stimulation data | Skin-rabbits 500 mg/24 h mild; eye-rabbit 100 mg/24 h moderate |
| flammability hazard characteristics | open flame flammability; Combustion releases toxic nitrogen oxides and chloride fumes; working with oxidants |
| 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. |
| Occupational Standard | sel 1 mg/m3 |
| spontaneous combustion temperature | 420°C |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-10 22:29:15
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