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

Tel: 908-754-1800
Fax: 908-754-1815

Data Sheet
Potassium Nitrate

Product Code 16-5555 Tech Crystal 16-5540 Tech Crystal w/anti-cake 16-5505 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 SDS for more information.


SHIPPING INFORMATION: UN# 1486, Class 5.1, PGIII, Label Code 5.1

Potassium Nitrate

CAS Number 7757-79-1
RTEC Number TT 3700000
Melting point 333 ° C
Water Solubility 36g/100ml
EINEC Number 2318188
Molecular Wt. 101.10
Molecular Formula KNO3
Specific Gravity 2.1

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.