* Appearance: colorless or white moisture absorptive tilted crystal, usually light yellow granule or powder, no odor, light salty.

* Uses: It is used to make nitro-compound, caprolactam, p-aminophenol, azo dye, vulcanization accelerator, vanillic aldehyde.

* Food grade sodium nitrite can be used to make color coupler for meat produces and antiseptic. It can be used to make canned meat and sausage.