Hummel Croton Inc.
10 Harmich Road
South Plainfield, NJ 07080

  Tel:908-754-1800 / Fax 908-754-1815

Data Sheet

  Potassium Nitrate Rev. Date 04/21/06
Product Code: 16-5555 16-5540 16-5505
  Tech Crystal Tech Crystal Tech Prilled
Potassium Nitrate: 99.7 99.7 99.7
Moisture: 0.05 0.1 0.1
Na as Sodium (Nitrate): 0.11 0.15 0.15
Calcium: 0.001 0.01 0.01
Magnesium: 0.001 0.01 0.01
Iron: 0.001 0.0005 0.0005
Chlorides: 0.03 0.03 0.03
Sulfates: --- 0.01 0.01
Water Insolubles: 0.035 0.02 0.02
Granulation: -20 + 200 -30 + 200 -8 + 20
OTHER SPECIFICATIONS:  Powdered & as per MIL-P-156B & Low Sodium
PACKAGING:   50 lb. bags or 100, 250 lb. Polylined Fiber Drums
USES:   Potassium nitrate is used for pyrotechnics, explosives, matches, and specialty fertilizers. It is also used for modifying tobacco, glass manufacturing, metallurgy, solid rocket propellants, and food preservative.
HANDLING:   Dangerous, fire hazard, explosion risk when in contact with organic materials (fuels). Since no exposure limit has been established by OSHA and ACGIH, we recommend that our product be treated as a nuisance dust 15mg/m3. See the MSDS for more information.
PROPER SHIPPING NAME:   Potassium Nitrate
& SHIPPING INFORMATION:   UN# 1486, Class 5.1, PGIII, Label Code 5.1

Potassium Nitrate
CAS Number
RTEC Number
Melting point
Water Solubility

TT 3700000
333 ºC

EINEC Number
Molecular Wt.
Molecular Formula
Specific Gravity


No warranty, expressed or implied, or merchantability, fitness for a particular purpose or otherwise is made, except that the products herein discussed comply with the chemical description on the labels. Buyer assumes risks of the use, storage and handling. Hummel shall not be liable for any incidental or consequential damages arising directly or indirectly in connection with the purchase, use, storage or handling of this product. The information contained herein is, to the best of our knowledge, true and accurate. However, all recommendations or suggestions are made without guarantee, since the conditions of use are beyond our control. We disclaim any liability incurred in connection with the use of these data or suggestions. This information is not to be taken as a license to operate under, or a recommendation to infringe any patent(s). The observance of all regulations and patents is the responsibility of the user. No agent, representative or employee of this company is authorized to vary any terms of this notice.