Industrial Sodium Nitrite

Manufacture of nitro compounds, azo dyes, mordants for fabric dyeing, bleaching agents, metal heat treatment agents and the pharmaceutical industry.

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Nature: white or slightly yellow crystal. The specific gravity is 2.168 (at 20 degrees). It is easily soluble in water, liquid ammonia, slightly soluble in methanol, ethanol, and ether, and is very hygroscopic.

Specification: (GB2367-2006)

Uses: manufacturing nitro compounds, azo dyes, mordants for fabric dyeing, bleaching agents, metal heat treatment agents and the pharmaceutical industry.

Indicator name	Premium	First grade	Second class
Sodium nitrite	%>=99.0	98.5	98.0
Sodium nitrite	%<=0.80	1.00	1.90
Chloride	%<=0.10	0.17	-
Moisture	%<=1.4	2.0	2.5
Water insoluble content	%<=0.05	0.06	0.10

Packing: 50kg/bag inside and outside knitted (also can be packed according to user requirements).

Emergency overview: contact with organic matter can burn and explode, and emit toxic and irritating nitrogen peroxide and nitrogen oxide gas. Acute poisoning manifests as general weakness, headache, dizziness, nausea, vomiting, diarrhea, tightness in the chest, and difficulty breathing; on examination, the skin and mucous membranes are obviously purple. Use appropriate sealing measures to avoid environmental pollution.

Hazard category: oxidizing solids, category 3 ; acute toxicity-oral, category 3*; endangering aquatic environment-acute hazard, category 1

Label elements:

Pictograms

Dangerous words: danger

Hazard information: May cause fire or explosion; oxidant.

Precautionary statement:

Precautions: Keep away from phosphorus or other reducing agents, and prohibit smoking in the workplace.

Emergency response: After the leakage source catches fire, cut off the flammable and explosive items, and the person in charge of fire fighting on the site should put out the fire from the upwind within a safe distance.

Safe storage: Store in a cool, ventilated warehouse. Keep away from fire and heat. The storage temperature does not exceed 30°C and the relative humidity does not exceed 75%. The packaging needs to be sealed and not in contact with air. Do not store and transport with combustibles, organics or easily oxidized as well as ammonium salts, cyanide, food chemicals, etc.

Disposal: The waste that occurs occasionally in production will be dissolved and purified for secondary production, and no solid waste will be generated.

Physical and chemical hazards: oxidizing, contact with organic matter can burn and explode, and emit toxic and irritating nitrogen peroxide and nitrogen oxide gas. It will liberate brown nitrogen dioxide gas in case of weak acid; contact with organic matter and reducing agent can cause explosion or combustion, and release toxic and irritating nitrogen oxide gas; it can also be oxidized in case of strong oxidant, especially ammonium salt, such as ammonium nitrate , Ammonium persulfate, etc. can interact with each other to generate high heat at normal temperature, causing combustibles to burn.

Health hazards: the toxic effect is to paralyze the vascular movement center, respiratory center and surrounding blood vessels; the formation of methemoglobin. Acute poisoning manifests as general weakness, headache, dizziness, nausea, vomiting, diarrhea, tightness in the chest, and difficulty breathing; on examination, the skin and mucous membranes are markedly purple. In severe cases, blood pressure dropped and died in a coma. Skin damage may occur on the hands and feet of workers.

Environmental hazards: Use appropriate sealing measures to avoid environmental pollution. It is forbidden to pollute the overall water quality when cleaning equipment or disposing equipment washing water. It is forbidden to enter the sewers and dispose of the substance and its container in a safe manner.