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Free lookupCAS 7757-79-1

Potassium nitrate

CAS 7757-79-1 · PubChem CID 24434 · KNO3 · 101.103 g/mol

Also called POTASSIUM NITRATE, Saltpeter, Nitre, Niter, Nitrate of potash.

Generate this as your own safety data sheet — $5

Opens the builder with Potassium nitrate loaded
as component 1 at 100%.

01GHS classification

No harmonised GHS classification is published for this substance in the sources we read. We will not guess one.

02Physical and chemical properties
Appearance

no value printed

unsourced — inference candidate

Odour

no value printed

unsourced — inference candidate

Melting point

no value printed

unsourced — inference candidate

Boiling point

no value printed

unsourced — inference candidate

Flash point

no value printed

unsourced — inference candidate

Auto-ignition temperature

no value printed

unsourced — inference candidate

Flammable limits

no value printed

unsourced — inference candidate

Vapour pressure

no value printed

unsourced — inference candidate

Relative density

no value printed

unsourced — inference candidate

Solubility in water

no value printed

unsourced — inference candidate

Partition coefficient, log Kow

no value printed

unsourced — inference candidate

Viscosity

no value printed

unsourced — inference candidate

03Toxicological information
LD50 Rabbit oral 1901 mg/kg

Hazardous Substances Data Bank (HSDB)fetched 2026-08-28

LD50 Rat oral 3750 mg/kg

Hazardous Substances Data Bank (HSDB)fetched 2026-08-28

LD50 Rabbit oral 1.166 g anion/kg /Nitrate ion/

Hazardous Substances Data Bank (HSDB)fetched 2026-08-28

LD50 Rat oral 3015 mg/kg

Hazardous Substances Data Bank (HSDB)fetched 2026-08-28

This page is the evidence. The document is the deliverable.

Everything above is free and stays free. For $5 the same sourced values are assembled into a 16-section safety data sheet and a print-ready GHS label carrying your company details in Section 1.

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What we read

ILO-WHO International Chemical Safety Cards (ICSCs), Emergency Response Guidebook (ERG), Hazardous Substances Data Bank (HSDB).

15 sourced records for this substance are in the ledger. Values dated more than 30 days ago are re-fetched on the next document.