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310484

Kaliumnitrit

Name: Kaliumnitrit
Brand: SIGALD

ACS reagent, ≥96.0%

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Über diesen Artikel

Lineare Formel:

KNO₂

CAS-Nummer:

7758-09-0

Molekulargewicht:

85.10

NACRES:

NB.24

PubChem Substance ID:

329753627

UNSPSC Code:

12352302

EC Number:

231-832-4

MDL number:

MFCD00011408

Assay:

≥96.0%

Grade:

ACS reagent

Form:

powder or crystals

Solubility:

water: soluble (718.8 g/l at 25 °C (77 °F))

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Eigenschaften

grade

ACS reagent

Quality Segment

200

assay

≥96.0%

form

powder or crystals

impurities

≤0.01% insolubles

pH

7-10 (25 °C, 50 g/L)

mp

350 °C (dec.) (lit.)

solubility

water: soluble (718.8 g/l at 25 °C (77 °F))

anion traces

chloride (Cl^-): ≤0.03%, sulfate (SO₄^2-): ≤0.01%

cation traces

Ca: ≤0.005%, Fe: ≤0.001%, Mg: ≤0.002%, Na: ≤0.5%, heavy metals (as Pb): ≤0.001%

SMILES string

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

InChI

1S/K.HNO2/c;2-1-3/h;(H,2,3)/q+1;/p-1

InChI key

BXNHTSHTPBPRFX-UHFFFAOYSA-M

Beschreibung

General description

Potassium nitrite is an ionic salt that can be used for a variety of chemical reactions, including configuration inversion, substitution of amines via disulfonylamides, nucleophilic aromatic nitration, diazotization, nitrosation, and nucleoside nitration.

Application

Potassium nitrite can be used as:

A nucleophile for the nitrosation of diclofenac and diphenylamine into their corresponding N-nitroso derivatives.
A nitrous acid source for the diazotization of arylamines.

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Dieser Artikel	12654	31263	221295
Sigma-Aldrich 310484 Kaliumnitrit	Sigma-Aldrich 12654 Kaliumnitrit	Sigma-Aldrich 31263 Kaliumnitrat	Sigma-Aldrich 221295 Kaliumnitrat
description ACS reagent, ≥96.0%	description meets analytical specification of FCC, 97-100.5%	description puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99%	description ACS reagent, ≥99.0%
form powder or crystals	form crystals	form crystalline	form crystals
solubility water: soluble (718.8 g/l at 25 °C (77 °F))	solubility alcohol: slightly soluble, water: soluble 0.35 part	solubility -	solubility -
assay ≥96.0%	assay 97-100.5%	assay ≥99%	assay ≥99.0%
Quality Level 200	Quality Level 200	Quality Level 200	Quality Level 200
grade ACS reagent	grade -	grade ACS reagent, puriss. p.a.	grade ACS reagent
impurities ≤0.01% insolubles	impurities ≤0.001% heavy metals (as Pb)	impurities ≤0.005% water insolubles, ≤0.001% ammonium (NH₄)	impurities ≤0.005% insolubles

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pictograms

GHS03,GHS06,GHS09

signalword

Danger

hcodes

H272,H301,H400

pcodes

P210 - P220 - P264 - P273 - P280 - P301 + P310

Hazard Classifications

Acute Tox. 3 Oral - Aquatic Acute 1 - Ox. Sol. 2

Lagerklasse

5.1B - Oxidizing hazardous materials

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c