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Potassium Nitrate
Product ID: P100


Description: Potassium nitrate

Solubility Water
Grade ACS Reageny
Physical Form Solid
Storage Temp. Room Temperature
Other Notes Plant Tissue Culture Tested
CAS NUMBER 7757-79-1
Formula Weight 101.1
Formula KNO3
Hazardous Type Oxidizer
Storage Temp. Room Temperature
Tariff Code 2834.21.0000
Risk Info (R) 8-36/37/38
Safety Info (S) 17-26-36
No information available

P100 Potassium Nitrate

Synonyms: Saltpeter
CAS: 7757-79-1
Formula: KNO3
Mol. Weight: 101.10
Form: Powder
Appearance: White Crystalline
Application: Plant Macronutrient, Seed Testing
Solubility: Water
Typical Working Concentration: Varies with applications, should be determined by end user.
Storage Temp: Room Temperature
Storage Temp of Stock Solution: Room Temperature
Other Notes: Plant Tissue Culture Tested

Application Notes
A common component used to improve seed germination rates and/or break seed dormancy. Recommended concentration ranges from 0.1-0.2% solution in water by the International Seed Testing Association (ISTA 2012), Association of Official Seed Analysts (AOSA 2010) and Canadian Food Inspection Agency (CFIA 2011).


Association of Official Seed Analysts (2010) Species Database: Suggested purity and/or germination testing methods for species without AOSA Rules testing procedures.

Canadian Food Inspection Agency (2011) Canadian Methods and Procedures for Testing Seed.

International Seed Testing Association (2012) International Rules for Seed Testing.
Merck 13, 7733