Potassium Nitrite & Potassium Nitrate Pure & IP BP Ph Eur USP ACS AR Analytical Reagent FCC Food Grade Manufacturers |
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Muby chemicals, is the flagship company in Mubychem Group, established in 1976, It has several manufacturing units in its wings, making Inorganic Chemicals including Potassium Nitrite, Potassium Nitrate, Pharmaceutical Excipients & Flavour Chemicals in India. Mubychem Group has manufacturing facilities spread across Western India and sales purchase agents in several countries. The associated manufacturing units are accredited with certifications like FDA cGMP and GLP Approval, ISO-9001 ISO-14001, ISO/IEC 17025, ISO-22000, FSSC 22000, ISO 45001, Certification, "REACH" registration, Kosher, Halal & HACCP Certification. |
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Potassium nitrate CAS Number 7757-79-1
Potassium nitrite CAS Number 7758-09-0
Potassium Nitrate is a powerful oxidizing agent (releases oxygen on heating) and is used in gunpowder and fertilizers.
Potassium Nitrate is used in the manufacture of various types of Glass, Explosive-Blasting powder, Slurry, Dynamics, Matches, Fertilizers, Heat Treatment & Heat transfer salts and Leather processing Industries. Major uses of potassium nitrate are in fertilizers, rocket propellants and fireworks. It is one of the constituents of gunpowder. When used as a food additive in the European Union, the compound is referred to as E252.
POTASSIUM NITRATE
CAS No.: 7757-79-1, Molecular Weight: 101.1, Chemical Formula: KNO3
Specification of Potassium Nitrate:
Particulars --------- TECHNICAL GRADE --- PURE GRADEAppearance ---------- White crystalline - White crystalline powder
Assay (as KNO3) ----- 99.000 % min ------ 99.50 % min
K 2 O --------------- 46.250 % min ------ 46.500 % min
Nitrogen ------------ 13.700 max ----- 13.800 % min
Sulphate (as SO 4 ) - 0.010 % max ------- 0.005 % max
Chloride (as Cl) ---- 0.05 % max -------- 0.005 % max
Iron (as Fe) -------- 0.002 % max ------- 0.001 % max
Heavy Metal (as Pb) - 0.0003 % max ------ 0.0002 % max
Packing:
Potassium Nitrate is packed 50kg in HDPE laminated bags or as required by the buyer.
Potassium Nitrate BP Ph Eur Grade Specifications
KNO3 -- 101.1 -- CAS 7757-79-1
DEFINITION
Potassium nitrate contains not less than 99.0 per cent and not more than the equivalent of 101.0 per cent of KNO3, calculated with reference to the dried substance.
A white, crystalline powder or colourless crystals, freely soluble in water, very soluble in boiling water, practically insoluble in alcohol.
IDENTIFICATION
A. It gives the reaction of nitrates.
B. Solution S (see Tests) gives the reactions of potassium.
TESTS
Solution S
Dissolve 10.0 g in carbon dioxide-free water prepared from distilled water and dilute to 100 ml with the same solvent.
Appearance of solution
Solution S is clear and colourless.
Acidity or alkalinity
To 10 ml of solution S add 0.05 ml of bromothymol blue solution. Not more than 0.5 ml of 0.01 M hydrochloric acid or 0.01 M sodium hydroxide is required to change the colour of the indicator.
Reducible substances
To 10 ml of solution S, add 0.5 ml of dilute sulphuric acid and 2 ml of zinc iodide and starch solution. The solution does not become blue within 2 min.
Chlorides
If intended for ophthalmic use, it complies with the test for chlorides. Dissolve 2.5 g in water and dilute to 15 ml with the same solvent. The solution complies with the limit test for chlorides (20 ppm).
Sulphates
Dilute 10 ml of solution S to 15 ml with distilled water. The solution complies with the limit test for
sulphates (150 ppm).
Ammonium
1 ml of solution S complies with the limit test (A) for ammonium (100 ppm). If intended for ophthalmic use, not more than 50 ppm of ammonium. Calcium
Dilute 10 ml of solution S to 15 ml with distilled water. The solution complies with the limit test for calcium (100 ppm). If intended for ophthalmic use, not more than 50 ppm of calcium.
Iron
Dilute 5 ml of solution S to 10 ml with water. The solution complies with the limit test for iron (20 ppm). If intended for ophthalmic use, not more than 10 ppm of iron.
Sodium
Not more than 0.1 per cent of Na, determined by atomic emission spectrometry.
Heavy metals
12 ml of solution S complies with limit test A for heavy metals (10 ppm).
Loss on drying
Not more than 0.5 per cent determined on 1.000 g by drying in an oven at 100C to 105C.
Potassium Nitrate USP Grade Specifications
Potassium NitrateKNO3 101.10
Potassium nitrate.
Potassium nitrate CAS 7757-79-1
Potassium Nitrate contains not less than 99.0 percent and not more than 100.5 percent of KNO3.
Identification— A solution of it responds to the tests for Potassium and for Nitrate.
Chloride— A 500-mg portion of it shows no more chloride than corresponds to 0.21 mL of 0.020 N hydrochloric acid (0.03%).
Sulfate— Dissolve 100 mg of Potassium Nitrate in 10 mL of water, add 15 mL of 6 N hydrochloric acid, and evaporate to dryness on a steam bath. To the residue so obtained add 7 mL of 6 N hydrochloric acid, and evaporate to dryness on a steam bath. Dissolve the residue so obtained in about 35 mL of water and, if necessary, neutralize with hydrochloric acid using litmus paper indicator. Filter, if necessary, to obtain a clear test solution. This test solution shows no more sulfate than corresponds to 0.10 mL of 0.020 N sulfuric acid (0.1%).
Arsenic: 3 ppm.
Lead— A solution of 0.5 g of it in 20 mL of water contains not more than 5 4g of lead (corresponding to not more than 0.001% of Pb).
Heavy metals: 0.002%.
Iron: not more than 0.001%.
Limit of sodium— the limit is 0.1%.
Limit of nitrite— To pass the test.
Potassium Nitrate FCC Grade Specifications
KNO3 Formula weight 101.10INS: 252 CAS 7757-79-1
DESCRIPTION
Potassium Nitrate occurs as colorless, transparent prisms, as white granules, or as a white, crystalline powder. It is slightly hygroscopic in moist air. One gram dissolves in 3 mL of water at 25C, in 0.5 mL of boiling water, and in about 620 mL of alcohol. Its solutions are neutral to litmus.
Function: Antimicrobial agent; preservative.
REQUIREMENTS
Identification: A 1:10 aqueous solution gives positive tests for Potassium and Nitrate.
Assay: Not less than 99.0% and not more than 100.5% of KNO3 after drying.
Chlorate: Sprinkle about 100 mg of dry sample on 1 mL of sulfuric acid. The mixture does not turn yellow.
Lead: Not more than 4 mg/kg.
Loss on Drying: Not more than 1%.
Potassium Nitrate ACS Grade Specifications
KNO3Formula Weight 101.10
CAS Number 7757-79-1
REQUIREMENTS
Assay: 99.0%
KNO3
pH of a 5% solution: 4.5-8.5 at 25C
MAXIMUM ALLOWABLE
Insoluble matter ........... 0.005%
Chloride (Cl)
............... 0.002%
Iodate (IO3) ............... 5 ppm
Nitrite (NO2)
.............. 0.001%
Phosphate (PO4) ........ 5 ppm
Sulfate (SO4)
.............. 0.003%
Heavy metals (as Pb) ... 5 ppm
Iron (Fe)
..................... 3 ppm
Calcium (Ca) ............... 0.005%
Magnesium (Mg)
......... 0.002%
Sodium (Na) ............... 0.005%
POTASSIUM NITRITE
Specification of Potassium Nitrite:
CAS No.: 7758-09-0
Formula: KNO2
Appearance: White to Yellowish
Solubility (10% in Water): Clear and Bright
Chloride: 0.005% Max.
Sodium: 0.25%
Assay: 96% and also 98%.
Potassium Nitrate and Potassium Nitrite
Potassium Nitrite & Potassium Nitrate Pure IP BP Ph Eur USP ACS AR Analytical Reagent FCC Food Grade Manufacturers etc.:
Muby Chemicals & Associated Cos
BANDEALI BUILDING, CHINCHBUNDER, MUMBAI 400009, INDIA.
TEL: 91-22-23728264. Gujarat & Mumbai India.
info(At the Rate i.e. @)mubychem(dot)com
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Last updated
5-sep-22
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