Molecular Formula | C6H5ClN2O2 |
Molar Mass | 172.57 |
Density | 1.5000 |
Melting Point | 107 °C |
Boling Point | 320℃ |
Flash Point | 205 °C |
Water Solubility | 0.23 g/L (20 ºC) |
Solubility | 0.23g/l |
Vapor Presure | 0mmHg at 25°C |
Appearance | powder to crystal |
Color | Light yellow to Yellow to Orange |
BRN | 638657 |
pKa | -1.05±0.10(Predicted) |
PH | 7 (0.23g/l, H2O, 20℃) |
Storage Condition | Store below +30°C. |
Stability | Stable. Incompatible with strong oxidizing agents, strong bases, strong acids. |
Refractive Index | 1.6460 (estimate) |
Physical and Chemical Properties | Yellow needle crystal. melting point 108 ℃ solubility: soluble in ethanol, ether and benzene, slightly soluble in water and strong acid, insoluble in crude gasoline. |
Use | Used as an intermediate in the production of organic pigments and disperse dyes |
Risk Codes | R22 - Harmful if swallowed R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
Safety Description | S22 - Do not breathe dust. S24 - Avoid contact with skin. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
UN IDs | UN 2237 6.1/PG 3 |
WGK Germany | 2 |
RTECS | BX1400000 |
TSCA | Yes |
HS Code | 2921 42 00 |
Hazard Class | 6.1(b) |
Packing Group | III |
Toxicity | LD50 orally in Rabbit: 6430 mg/kg |
Raw Materials | 4-Nitroaniline Chlorine Hydrochloric acid |
Downstream Products | niclosamide |
NIST chemical information | Information provided by: webbook.nist.gov (external link) |
EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
Uses | Used as an intermediate for organic pigments and disperse dyes Used as an intermediate for organic synthesis, and also used as a dye intermediate The intermediate of dyes and pigments is mainly used to produce pigment silver vermilion R, disperse dye red GFL, disperse red B, etc., and also used to produce oncomelania pesticide. And used as a pharmaceutical intermediate, such as the preparation of schistosomiasis -67 paste. Used as an intermediate for the production of organic pigments and disperse dyes |
production method | p-nitroaniline is chlorinated with hydrochloric acid and sodium hypochlorite. The reaction product is filtered, washed and dried to obtain the finished product. Raw material consumption quota: p-nitroaniline 928kg/t, sodium hypochlorite (10%)5600kg/t, 30% hydrochloric acid 5600kg/t. |
category | toxic substances |
toxicity classification | poisoning |
acute toxicity | oral-rat LD50:6430 mg/kg; Oral-mouse LD50:1250 mg/kg |
flammability hazard characteristics | open flame is combustible; reacts with oxidant; high heat or contact acid releases chloride and nitrogen oxide gas |
storage and transportation characteristics | warehouse ventilation and low temperature drying; Store separately from oxidants, acids and food additives |
fire extinguishing agent | mist water, foam, carbon dioxide, sand |
auto-ignition temperature | 971 °F |
toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
yellow needle crystal. Melting point 108 °c. Soluble in ethanol, ether and benzene, water-soluble and strong acid, insoluble in crude gasoline.
chlorination of p-nitroaniline with hydrochloric acid and sodium hypochlorite was carried out. The reaction product was filtered, washed and dried to obtain a finished product.
intermediates for dyes and pigments, such as for the preparation of disperse Red B, Yinzhu R, etc. Also used as pharmaceutical intermediates, such as the preparation of anti -67 paste.