Sodium nitrite
| Physicochemical properties | Color and odor state: white to light yellow crystals or powder, odorless, salty | ||
| Toxicity: Highly toxic | Flammability: non-combustible | ||
| Density: 2.168 g/cm³ (20 °C). | Volatile: non-volatile | ||
| Corrosive: Slightly corrosive | Boiling point: decomposition (decomposition above 320°C). | ||
| Stability: Stability | Melting point: 271°C | ||
| Acidity and alkalinity: weakly alkaline (aqueous solution is alkaline). | Moisture absorption: easy to absorb moisture | ||
| Viscosity: solid, no viscosity | Deliquescence: easy to deliquescence | ||
| Flash point: meaningless (non-combustible). | Solubility: easily soluble in water, slightly soluble in ethanol and ether, insoluble in acetone | ||
| Various numbers | CAS:7632-00-0 | HS：2834100000 | EINECS：231-555-9 |
| Uses | used as a food additive (meat product color protectant, preservative, strictly control the dosage); In industry, it is used as diazo reagent, raw material for the synthesis of azo dye, metal heat treatment agent, electroplating corrosion inhibitor, and cement early strength agent. It is also used as an analytical reagent, antioxidant, etc | ||
| Hazard category | 6.1 Class of poisons | ||
| Fire-fighting measures | This thing is not combustible | ||
| Emergency treatment | Skin contact: Remove contaminated clothing and rinse the skin thoroughly with soapy water and clean water. Eye contact: Lift the eyelid immediately and rinse thoroughly with plenty of running water or saline for at least 15 minutes. Inhalation: Quickly leave the scene to fresh air. Keep your airways open. If breathing is difficult, give oxygen. If breathing stops, perform artificial respiration immediately. Eating: Drink enough warm water to induce vomiting. Gastric lavage with 1:5000 potassium permanganate solution. Seek medical attention. | ||
| Packaging, storage, transportation | Packaging: Packaged in plastic woven bags lined with polyethylene plastic bags, the net weight of each plastic woven bag is 25kg, 50kg; Storage: Store in a cool, dry and well-ventilated warehouse. Stay away from fire and heat sources. The storage temperature does not exceed 30°C and the relative humidity does not exceed 80%. Keep the container tightly sealed. It should be stored separately from oxidants, reducing agents, acids, and edible chemicals, and should not be mixed. The storage area should be equipped with appropriate materials to contain the spill. Transportation: Transportation according to dangerous goods requirements. | ||
Next product： Dimethyl sulfide