Item Value industrial grade Premium grade first grade second grade KNO3,% min 99.7 99.4 99.0 Moisture,% max 0.10 0.10 0.30 Chloride( as NaCl),% max 0.01 0.02 0.10 Insoluble substance in water,% max 0.01 0.02 0.05 Sulfate ( as SO4),% max 0.005 0.01 ----- hygroscopicity ,% max 0.25 0.30 ----- Fe 0.003 -----
industry it can be used in making color ceramic glaze; it also can be used in making glass clarifier, the auto dynamo glass ,optical glass and kinescope glass. Also it is used in making medicine such as penicillin sylvine and rifampicin. It can be used as

CAS NO:7757-79-1

EC NO:231-818-8

Molecular Formula:KNO₃

Molecular Weight:101.1032

Synonyms:;Potassium nitrate (99.999%-K) PURATREM;PotassiumnitrateACSwhitextl;Potassium ion chromatography standard solution Fluka;Nitrate Ion standard solution Fluka;Nitrate solution;Filling solution for salt bridges and double-junction electrodes;Filling solution for chloride combination electrode (10% KNO3, trace AgCl, KCl);Filling solution for fluoride electrode (17% KNO3, 5% KCl, trace NaCl, AgCl);Filling solution for cyanide or sulfide electrode (10% KNO3, trace AgCl, KCl);NO3;NITRATE SINGLE COMPONENT STANDARD;NITRATE STANDARD;NITRATE;NITRATE, CERTIFIED ANION STANDARD;NITRATE IC STANDARD;NITRATE ION;

Molecular Structure: