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NIST193

Potassium nitrate

NIST® SRM® 193

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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:
41116107
PubChem Substance ID:
329818724
NACRES:
NA.24

grade

certified reference material

Quality Level

100

packaging

pkg of 90 g

manufacturer/tradename

NIST®

mp

334 °C (lit.)

application(s)

agriculture

format

neat

SMILES string

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

InChI

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

InChI key

FGIUAXJPYTZDNR-UHFFFAOYSA-N

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General description

Each unit of SRM193 contains 90 g of highly purified and homogeneous crystalline potassium nitrate nitrogen.

SRM 193 _SDS

SRM 193 _CoA

Application

Potassium nitrate standard reference material (SRM) is intended for use as a working standard in determining the levels of potassium and nitrate nitrogen in fertilizer industry.

Features and Benefits

  • SRM 193 is available with a certificate documenting NIST-certified mass fraction values of potassium and nitrogen.
  • Certified values are determined using gravimetric assay.

Other Notes

Certified for the analytes listed below.
Potassium (K), Nitrogen (N)

See certificate for values and more details at nist.gov/SRM.

Legal Information

NIST is a registered trademark of National Institute of Standards and Technology
SRM is a registered trademark of National Institute of Standards and Technology

related product

Product No.
Description
Pricing

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

NIST193:

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Certificates of Analysis (COA)

Lot/Batch Number

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