Potassium nitrate
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- $7.62 - $4690
- Product name: Potassium nitrate
- CAS: 7757-79-1
- MF: KNO3
- MW: 101.1032
- EINECS:231-818-8
- MDL Number:MFCD00011409
- Synonyms:POTASSIUM NITRATE FOR ANALYSIS EMSURE;POTASSIUM NITRATE 99.995 SUPRAPUR;PotassiuM nitrate 99.999% trace Metals basis;Potassiumnitrat;Potassium nitrate 99.99% trace metals basis;Potassium nitrate ACS reagent, >=99.0%;Potassium nitrate puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., >=99%;Potassium nitrate puriss., meets analytical specification of PhEur, BP, USP, FCC, E252, 99.0-100.5%
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Brand
- AK Scientific
- Apolloscientific
- Atlantic Research Chemicals
- Chem-Impex
- GFS CHEMICALS
- honeywell
- Oakwood
- ProChem
- Sigma-Aldrich
- Strem Chemicals
- Thermo Scientific Chemicals
- TRC
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- 25kg|Paper/PlasticBag
- 50 mL
- 50kg|FiberboardBox
- 100 mL
- 100g|PlasticBottle
- 500g|PlasticBottle
- 500 mL
- ManufacturerAK Scientific
- Product numberS205
- Product descriptionPotassium nitrate
- Packaging25g
- Price$27
- Updated2021-12-16
- Buy
- ManufacturerApolloscientific
- Product numberIN2926
- Product descriptionPotassium nitrate 99.9%
- Packaging100g
- Price$95
- Updated2021-12-16
- Buy
- ManufacturerApolloscientific
- Product numberIN2926
- Product descriptionPotassium nitrate 99.9%
- Packaging500g
- Price$138
- Updated2021-12-16
- Buy
- ManufacturerAtlantic Research Chemicals
- Product numberAN051882
- Product descriptionPotassium nitrate 95
- Packaging1g
- Price$7.62
- Updated2026-05-23
- Buy
- ManufacturerAtlantic Research Chemicals
- Product numberAN051882
- Product descriptionPotassium nitrate 95
- Packaging2.5g
- Price$10.16
- Updated2026-05-23
- Buy
- ManufacturerAtlantic Research Chemicals
- Product numberAN051882
- Product descriptionPotassium nitrate 95
- Packaging5g
- Price$12.7
- Updated2026-05-23
- Buy
- ManufacturerAtlantic Research Chemicals
- Product numberAN051882
- Product descriptionPotassium nitrate 95
- Packaging10g
- Price$15.24
- Updated2026-05-23
- Buy
- ManufacturerAtlantic Research Chemicals
- Product numberAN051882
- Product descriptionPotassium nitrate 95
- Packaging25g
- Price$17.78
- Updated2026-05-23
- Buy
- ManufacturerAtlantic Research Chemicals
- Product numberAN051882
- Product descriptionPotassium nitrate 95
- Packaging50g
- Price$20.32
- Updated2026-05-23
- Buy
- ManufacturerChem-Impex
- Product number35747
- Product descriptionPotassium nitrate ≥99%(Emissionspectroscopy)
- Packaging5G
- Price$22.43
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number01251
- Product descriptionPotassium nitrate ≥99%(Assaybytitration)
- Packaging250G
- Price$25
- Updated2026-05-19
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- ManufacturerChem-Impex
- Product number35746
- Product descriptionPotassium nitrate 99.0-100.5%(Assay)
- Packaging100G
- Price$30
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number30156
- Product descriptionPotassium nitrate ≥99%(Assay)
- Packaging1KG
- Price$45.3
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number35747
- Product descriptionPotassium nitrate ≥99%(Emissionspectroscopy)
- Packaging25G
- Price$53.78
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number01251
- Product descriptionPotassium nitrate ≥99%(Assaybytitration)
- Packaging1KG
- Price$55
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number30156
- Product descriptionPotassiumnitrate,99%(Assay) 99%(Assay)
- Packaging2.5KG
- Price$89.6
- Updated2021-12-16
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| AK Scientific | S205 | Potassium nitrate | 25g | $27 | 2021-12-16 | Buy |
| Apolloscientific | IN2926 | Potassium nitrate 99.9% | 100g | $95 | 2021-12-16 | Buy |
| Apolloscientific | IN2926 | Potassium nitrate 99.9% | 500g | $138 | 2021-12-16 | Buy |
| Atlantic Research Chemicals | AN051882 | Potassium nitrate 95 | 1g | $7.62 | 2026-05-23 | Buy |
| Atlantic Research Chemicals | AN051882 | Potassium nitrate 95 | 2.5g | $10.16 | 2026-05-23 | Buy |
| Atlantic Research Chemicals | AN051882 | Potassium nitrate 95 | 5g | $12.7 | 2026-05-23 | Buy |
| Atlantic Research Chemicals | AN051882 | Potassium nitrate 95 | 10g | $15.24 | 2026-05-23 | Buy |
| Atlantic Research Chemicals | AN051882 | Potassium nitrate 95 | 25g | $17.78 | 2026-05-23 | Buy |
| Atlantic Research Chemicals | AN051882 | Potassium nitrate 95 | 50g | $20.32 | 2026-05-23 | Buy |
| Chem-Impex | 35747 | Potassium nitrate ≥99%(Emissionspectroscopy) | 5G | $22.43 | 2026-05-19 | Buy |
| Chem-Impex | 01251 | Potassium nitrate ≥99%(Assaybytitration) | 250G | $25 | 2026-05-19 | Buy |
| Chem-Impex | 35746 | Potassium nitrate 99.0-100.5%(Assay) | 100G | $30 | 2026-05-19 | Buy |
| Chem-Impex | 30156 | Potassium nitrate ≥99%(Assay) | 1KG | $45.3 | 2026-05-19 | Buy |
| Chem-Impex | 35747 | Potassium nitrate ≥99%(Emissionspectroscopy) | 25G | $53.78 | 2026-05-19 | Buy |
| Chem-Impex | 01251 | Potassium nitrate ≥99%(Assaybytitration) | 1KG | $55 | 2026-05-19 | Buy |
| Chem-Impex | 30156 | Potassiumnitrate,99%(Assay) 99%(Assay) | 2.5KG | $89.6 | 2021-12-16 | Buy |
Properties
Melting point :334 °C (lit.)
Boiling point :100 °C750 mm Hg
Density :1.00 g/mL at 20 °C
bulk density :800kg/m3
Flash point :400°C
storage temp. :Store at RT.
solubility :H2O: 1 M at 20 °C, clear, colorless
form :Solid
Specific Gravity :2.109
color :white
Odor :odorless, cooling pungent salty taste
PH :5.0-7.5 (50g/l, H2O, 20℃)
Flame Color :Light Purple
Water Solubility :320 g/L (20 ºC)
Thermal Conductivity :2.092 W/(m·K)
Specific Heat Capacity :Cp(crystal): 0.95 J/(g·K), at 25℃
Sensitive :Hygroscopic
Merck :14,7648
Dielectric constant :5(0.0℃)
Stability :Stable. Strong oxidizer - contact with combustible material may cause fire. Incompatible with combustible materials, strong reducing agents.
Cosmetics Ingredients Functions :SOOTHING
ORAL CARE InChI :1S/K.NO3/c;2-1(3)4/q+1;-1
InChIKey :FGIUAXJPYTZDNR-UHFFFAOYSA-N
SMILES :[K+].[O-][N+]([O-])=O
LogP :-0.129 (est)
CAS DataBase Reference :7757-79-1(CAS DataBase Reference)
EPA Substance Registry System :Potassium nitrate (7757-79-1)
Boiling point :100 °C750 mm Hg
Density :1.00 g/mL at 20 °C
bulk density :800kg/m3
Flash point :400°C
storage temp. :Store at RT.
solubility :H2O: 1 M at 20 °C, clear, colorless
form :Solid
Specific Gravity :2.109
color :white
Odor :odorless, cooling pungent salty taste
PH :5.0-7.5 (50g/l, H2O, 20℃)
Flame Color :Light Purple
Water Solubility :320 g/L (20 ºC)
Thermal Conductivity :2.092 W/(m·K)
Specific Heat Capacity :Cp(crystal): 0.95 J/(g·K), at 25℃
Sensitive :Hygroscopic
Merck :14,7648
Dielectric constant :5(0.0℃)
Stability :Stable. Strong oxidizer - contact with combustible material may cause fire. Incompatible with combustible materials, strong reducing agents.
Cosmetics Ingredients Functions :SOOTHING
ORAL CARE InChI :1S/K.NO3/c;2-1(3)4/q+1;-1
InChIKey :FGIUAXJPYTZDNR-UHFFFAOYSA-N
SMILES :[K+].[O-][N+]([O-])=O
LogP :-0.129 (est)
CAS DataBase Reference :7757-79-1(CAS DataBase Reference)
EPA Substance Registry System :Potassium nitrate (7757-79-1)
Safety Information
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| Signal word: | Warning | ||||||||||||||
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Description
Potassium nitrate (chemical formula: KNO3) is the nitrate of potassium. It is a crystalline salt and a strong oxidizer which can be specially used in making gunpowder, as a fertilizer, and in medicine. It can be manufactured through the reaction between ammonium nitrate and potassium hydroxide, and alternatively through the reaction between ammonium nitrate with potassium chloride. Potassium nitrate has various applications. Its major applications include: fertilizer, tree stump removal, rocket propellant and fireworks. It can also be used for the nitric acid production. It is also useful for food preservation and food preparation. In pharmacology, it can be used to treat asthma and relieving high blood pressure.Related product price
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