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Safety Information

PX1520

Supelco

Potassium Nitrate

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Synonym(s):

Potassium Nitrate, Nitrate of Potash

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About This Item

Empirical Formula (Hill Notation):
KNO3
CAS Number:
7757-79-1
Molecular Weight:
101.10
MDL number:
MFCD00011409
UNSPSC Code:
12352302
EC Index Number:
231-818-8
grade:
ACS reagent
form:
crystals
Pricing and availability is not currently available.

grade

ACS reagent

Quality Level

200

Agency

meets USP/NF

Assay

≥99.0%

form

crystals

impurities

≤0.005% Insoluble matter

color

white

pH

5.0-7.5 (20 °C, 50 g/L in H2O)

mp

334 °C

anion traces

chloride (Cl-): ≤0.002%
iodate (IO3-): ≤5 ppm
nitrite (NO2-): ≤0.001%
phosphate (PO43-): ≤5 ppm
sulfate (SO42-): ≤0.003%

cation traces

Ca: ≤0.005%
Fe: ≤3 ppm
Mg: ≤0.002%
Na: ≤0.005%
heavy metals: ≤5 ppm

shipped in

ambient

storage temp.

room temp

SMILES string

[K+].[N+](=O)([O-])[O-]

InChI

1S/K.NO3/c;2-1(3)4/q+1;-1

InChI key

FGIUAXJPYTZDNR-UHFFFAOYSA-N

Application

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Analysis Note

Assay99.0% minCalcium (Ca)0.005% maxChloride (Cl)0.002% maxColorWhiteFormCrystalsHeavy Metals (by ICP-OES)5ppm maxInsoluble matter0.005% maxIodate (IO3)5ppm maxIron (Fe)3ppm maxMagnesium (Mg)0.002% maxNitrite (NO2)0.001% maxPhosphate (PO4)5ppm maxSodium (Na)0.005% maxSulfate (SO4)0.003% maxpH of a 5% solution at 25°C4.5-8.5

Pictograms

Flame over circle
GHS03

Signal Word

Warning

Hazard Statements

H272

Hazard Classifications

Ox. Sol. 3

Storage Class Code

5.1B - Oxidizing hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Group 1: Oxidizing solids
Nitrates
Hazardous rank I
1st oxidizing solid

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

PX1520-5:
PX1520-7:
PX1520-20:
PX1520-1:

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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