|Name:||Sodium Nitrite||Chemical Formula:||NaNO₂|
|Purity:||99% Min||Apperance:||White Powder|
ISO14001 NaNO2 Sodium Nitrite,
Anti Microbial Agent NaNO2 Sodium Nitrite
Sodium Nitrite NaNO2 99% Purity Used As Coloring Agent And Anti Microbial Agent
Sodium nitrite is easily deliquescent, soluble in water and liquid ammonia, its aqueous solution is alkaline, its pH is about 9, slightly soluble in ethanol, methanol, ether and other organic solvents. Sodium nitrite has a salty taste and is used to make fake table salt. When exposed to air, sodium nitrite reacts with oxygen to form sodium nitrate. If heated to 320℃ above decomposition, the formation of oxygen, nitrogen oxide and sodium oxide. Contact with organic matter is prone to combustion and explosion.
|Item||Best quality||First quality||Qualified quality|
|Content of Sodium nitrite (calculated by dry base ) % ≥||99||98.5||98|
|Content of Sodium nitrite (calculated by dry base ) % ≤||0.8||1||1.9|
|Content of Sodium chloride (NaCl) (calculated by the dry base ) %≤||0.1||0.17||-|
|Content of insoluble in water (calculated by the dry base )% ≤||0.05||0.06||0.1|
|Moisture % ≤||1.4||2||2.5|
Sodium nitrite as bleaching agent for silk and linen, metal heat treatment agent; steel corrosion inhibitor; antidote for cyanide poisoning, laboratory analysis reagent, used as coloring agent, anti-microbial agent, preservative in meat processing. It has applications in bleaching, electroplating and metal processing, and is called industrial salt.
Sodium nitrite can turn hemoglobin into methemoglobin, and the detoxification process of cyanide is the same as that of methylene blue, but the effect is stronger than that of methylene blue. It is suitable for the rescue of cyanide poisoning.
Because sodium nitrite has a salty taste and is cheap, it is often used as an unreasonable substitute for salt in the production of illegal food. Because sodium nitrite is toxic, food containing industrial salt is very harmful to the human body.
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