Potassium nitrate suppliers
Potassium nitrate
- CAS:
- 7757-79-1
- MF:
- KNO3
- MW:
- 101.1032
Properties
- Melting point:
- 334 °C (lit.)
- Boiling point:
- 100 °C750 mm Hg
- Density
- 1.00 g/mL at 20 °C
- 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
- PH
- 5.0-7.5 (50g/l, H2O, 20℃)
- Odor
- odorless, cooling pungent salty taste
- Water Solubility
- 320 g/L (20 ºC)
- 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.
- LogP
- -0.129 (est)
Safety Information
- Symbol(GHS)
GHS03
- Signal word
- Warning
- Hazard statements
- H272
- Precautionary statements
- P210-P220-P280-P370+P378-P501
- Hazard Codes
- O,Xi,Xn
- Risk Statements
- 8-36/38-36/37/38-22
- Safety Statements
- 26-17-36-7-24/25
- RIDADR
- UN 3264 8/PG 3
- WGK Germany
- 1
- RTECS
- TT3700000
- TSCA
- Yes
- HS Code
- 2834 21 00
- HazardClass
- 5.1
- PackingGroup
- III
- Toxicity
- LD50 orally in rabbits: 1.166 g anion/kg, Dollahite, Rowe, Southwest. Vet. 27, 246 (1974)
Use
Potassium nitrate mixed with alkyl esters may explode, owing to the formation of alkyl nitrates; mixtures with phosphorus, tin (II) chloride, or other reducing agents may react explosively [Bretherick 1979. p. 108-109]. Powdered antimony mixed with Potassium nitrate explodes when heated [Mellor 9:282 1946-47]. A mixture of antimony trisulfide and Potassium nitrate explodes at a red heat [Mellor 9:524. 1946-47]. Arsenic disulfide forms explosive mixtures when mixed with Potassium nitrate, [Mellor 9:270.1946-47]. A mixture of sodium acetate and Potassium nitrate may cause an explosion [Pieters 1957. p. 30]. A mixture of Potassium nitrate and sodium hypophosphite constitutes a powerful explosive [Mellor 8:881. 1946-47]. A mixture of powdered zirconium and Potassium nitrate explodes when heated above the melting point [Mellor 7:116. 1946-47].
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