Acids & Salts Available to Source

Pot Nitrate ACS Reagent Cryst

CAS 7757-79-1 · MF KNO3 · MW 101.103 g/mol · UN 1486 (POTASSIUM NITRATE)

A white crystalline salt used in fertilizers, food preservation, and as a laboratory reagent.

SDS / TDS Download
CAS Number
7757-79-1
Molecular Formula
KNO3
Molecular Weight
101.103 g/mol
Material Family
Acids & Salts
Functional Roles
Physical Properties
melting_point
633.2 u00b0F (USCG, 1999)
boiling_point
752 u00b0F at 760 mmHg (decomposes) (USCG, 1999)
density
2.109 (USCG, 1999) - Denser than water; will sink
solubility
35g/100ml
ph
4,5-8,5 (5 % solution)
GHS / SDS Safety Danger
Irritant Oxidizer Health Hazard
  • H315: Causes skin irritation [Warning Skin corrosion/irritation]
  • H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
  • H272: May intensify fire; oxidizer [Danger Oxidizing liquids; Oxidizing solids]
  • H319 (59.5%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • H370: Causes damage to organs [Danger Specific target organ toxicity, single exposure]
  • H272 (93.9%): May intensify fire; oxidizer [Danger Oxidizing liquids; Oxidizing solids]
  • H361: Suspected of damaging fertility or the unborn child [Warning Reproductive toxicity]
  • H373: May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]
  • H315 (59.4%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H303: May be harmful if swallowed [Warning Acute toxicity, oral]
  • H335 (59.3%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
  • H372: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]
  • H371: May cause damage to organs [Warning Specific target organ toxicity, single exposure]
  • H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]
Chemical Identity
CAS Number7757-79-1
IUPAC Namepotassium nitrate
InChI KeyFGIUAXJPYTZDNR-UHFFFAOYSA-N
PubChem CID 24434
INCI NamePOTASSIUM NITRATE
Synonyms & Trade Names
POTASSIUM NITRATE Saltpeter Nitre Niter Nitrate of potash saltpetre Vicknite Nitric acid, potassium salt Kaliumnitrat Kalii nitras Collo-Bo Kali nitricum Potassium nitrate(DOT) Salt peter RU45X2JN0Z
Full Description

A white crystalline salt used in fertilizers, food preservation, and as a laboratory reagent.