Industrial raw materials
Sodium nitrite NaNO2 7632-00-0 Water treatment; rust prevention; Mordant, bleach, metal heat, corrosion inhibitor, preservatives
Basic information
Nature
White or microstrip light yellow rhombic crystal or powder. It has a slightly salty taste, similar in appearance to salt, and is easily wet
Use
1. Used as mordant, bleach, metal heat treatment agent, corrosion inhibitor for electroplating, medical equipment disinfection, preservative
2. Suitable for water quality treatment with low or ultra-low hardness
3. It is often combined with sodium molybdate, on the one hand, it has a synergistic effect, and on the other hand, it reduces the amount of both
4. It is only suitable for black metal rust prevention, which is ineffective for non-ferrous metals such as copper and even has corrosion effect.
Security
The highest concentration of skin contact with sodium nitrite is 1-5%, higher than this concentration, will make the skin hair, rash. Workers who contact or use sodium nitrite must wear prescribed protective equipment to prevent contact with the skin and entry into the body. Shall not be stored and mixed with organic matter, food, etc., to avoid explosion, combustion, and contamination of food. Use vehicles with guardrail to transport.
Storage and transportation
Transportation precautions: Close operation and strengthen ventilation. Operators must undergo specialized training and strictly adhere to operating procedures. It is recommended that operators wear self-priming filter type dust masks to avoid generating dust. When handling, it is important to load and unload with care to prevent damage to the packaging and containers.
Storage precautions: It should be stored in a cool, dry, and well ventilated warehouse. Keep away from sparks and heat sources. The packaging must be sealed and not damp. It should be stored separately from flammable materials, acids, etc., and should not be stored together. The storage area should be equipped with appropriate materials to contain leaked materials.
