The attribute of sodium nitrate is introduced

1。 Main ingredients: sodium nitrate content: industrial grade, reagent grade are: level 1 & ge; 99. 0%; The secondary & ge; 98. 0%.

2。 Appearance and properties: white or light yellow fine crystallization, odourless, slightly salty, easy deliquescence.

3。 Main application: used in the manufacture of dyes, medicine and so on are used in organic synthesis.

4。 Solubility: soluble in water, slightly soluble in ethanol, methanol, diethyl ether.

5。 Acute toxicity: LD50:85 mg/kg ( Through the mouth) of rats

6。 Health hazard: toxic effect for paralysis sports center, the respiratory center and the surrounding blood vessels; Taobao small purchase methemoglobin formation. Acute poisoning of general weakness, headache, dizziness, nausea, vomiting, diarrhea, chest sense of urgency and difficulty breathing; Check to see clear purple purple skin and mucosa. Serious blood pressure to drop, coma and death. Contact workers hands and foot skin damage can occur.