KNO3
101.103 g/mol
AgrochemicalDanger
POTASSIUM NITRATE
CAS7757-79-1EC231-818-8
Category
Agrochemical
Compound Class
Inorganic Salt
Primary Use
Pesticide active ingredient
Potassium nitrate is an inorganic salt compound used as a pesticide active ingredient in crop protection. It is also employed in industrial applications such as steel production, electroplating, and glass manufacturing, as well as in medication.
pesticide active ingredientindustrial chemical for steel productionindustrial chemical for electroplating
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
Controlled substances
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Relevant lists:CN Explosive Precursor Chemicals
CAS 7757-79-1
Related Compounds
StrongForm Family
Magnesium nitrate
CAS10377-60-3
Catalyst and pyrotechnics
StrongForm Family
Sodium nitrate
CAS7631-99-4
Explosives, fertilizers, photographic processing
StrongStructure SimilarSimilarity 1.00
Silver nitrate
CAS7761-88-8
Chemical intermediate, disinfectant, laboratory reagent
StrongStructure SimilarSimilarity 1.00
Zinc nitrate
CAS7779-88-6
mordant in dyeing and resin catalyst
StrongStructure SimilarSimilarity 1.00
Chromic nitrate nonahydrate
CAS7789-02-8
Catalyst, textile printing, corrosion inhibitor
StrongStructure SimilarSimilarity 1.00
Gadolinium nitrate hexahydrate
CAS19598-90-4
Research reagent
ApplicationSame Use
Spinosyn D
CAS131929-63-0
Pesticide active ingredient
ReferenceSame Category
Cupric sulfate
CAS7758-98-7
Fungicide and pesticide ingredient
Related Reading
Safety Reference
Danger
H272May intensify fire; oxidizer
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H361Suspected of damaging fertility or the unborn child
H370Causes damage to organs
H372Causes damage to organs through prolonged or repeated exposure
H303May be harmful if swallowed
H371May cause damage to organs
H373May cause damage to organs through prolonged or repeated exposure
Customs Tariff Classification
The international HS code for POTASSIUM NITRATE (CAS 7757-79-1) is 2834.21.
HS code (international, 6-digit)
2834.21
EU CN code (8-digit)
2834 21 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
potassium nitrate
InChIKey
FGIUAXJPYTZDNR-UHFFFAOYSA-N
SMILES
[N+](=O)([O-])[O-].[K+]
Synonyms (58)
- E-252
- KNO3
- Potassium nitrate (JAN/USP)
- Potassium nitrate, United States Pharmacopeia (USP)
- Potassium nitrate, puriss., meets analytical specification of Ph??Eur, BP, USP, FCC, E252, 99.0-100.5%
- Caswell No. 697
- Collo-Bo
- Dr. Sheffield Sensitive Care
- INS NO.252
- Kali nitricum
- Kalii nitras
- Kaliumnitrat
- Kaliumnitrat [German]
- Kiss My Face Sensitive
- Niter
- Nitrate of potash
- Nitre
- Nitric acid, potassium salt
- POTASSIUM NITRATE
- POTASSIUM NITRATE [MART.]
- Potassium nitrate (KNO3)
- Potassium nitrate(DOT)
- Potassium nitrate, BioXtra
- Potassium nitrate, p.a.
- Salt peter (VAN)
- Saltpeter
- Schmidts
- Sensitive Teeth
- Sensitive Tooth Paste
- Sensodyne (TN)
- Vicknite
- saltpetre