Keep my session open?
Ending In 
The session is expired
Your session has expired. For your security, we have logged you out.
Would you like to log in again?

Potassium nitrate ≥99.0%, crystals ACS

ANAC74336-300 ANAC74336-580 ANAC74336-380 ANAC74336-760

  Formula: KNO₃
MW: 101,1 g/mol
Melting Pt: 334 °C
Density: 2,109 g/cm³ (20 °C)
MDL Number: MFCD00011409
CAS Number: 7757-79-1
UN: 1486
ADR: 5.1,III
Specification Test Results
Assay (KNO3) 99.0% min.
pH of a 5% Solution at 25°C 4.5 - 8.5
Insoluble Matter 0.005% max.
Chloride (Cl) 0.002% max.
Iodate (IO3) 5 ppm max.
Nitrite (NO2) 0.001% max.
Phosphate (PO4) 5 ppm max.
Sulfate (SO4) 0.003% max.
Heavy metals (as Pb) 5 ppm max.
Iron (Fe) 3 ppm max.
Calcium (Ca) 0.005% max.
Magnesium (Mg) 0.002% max.
Sodium (Na) 0.005% max.


Item # Size Packaging Unit Availability Price Quantity
CA71008-194 500 g Poly Bottle Each (500g) Retrieving Restricted
CA71008-196 2 kg Poly Bottle Each (2kg) Retrieving Restricted
restricted This product is marked as restricted and can only be purchased by approved Shipping Accounts. To apply for a shipping account number, click here. If you need further assistance, call Customer Service at 800-387-9393 or email



Need help?

  • Whatever you have to say, positive or negative, is important to us.
  • Providing feedback takes only seconds.
  • Your feedback will be made available to the public on the web. will publish your name as user.
You can use this name, or edit and save a nickname.
We recommend authors use their first and last initial.

Please confirm your profession

Example: Education

Please confirm your role

Example: Teacher

Please confirm your location

Example: New York, NY


Total Ratings: 0
Avg. Ratings: 0.0 out of 5

Sort all by:

Review & Compare Alternatives
We found alternative products that can save you up to  per item-unit.  To compare product details, select up to 3 alternatives below and click Compare Selected. To add items to your basket, enter a quantity and click Add to Basket.

Original Product:

Description Catalog Number Availability Unit Your Price Price Per Qty