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03553

Supelco

Griess′ reagent for nitrite

for microscopy

Synonym(s):

Griess-Ilosvays Reagent for nitrate, Lunge’s Reagent

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About This Item

MDL number:
MFCD01866819
UNSPSC Code:
12164500
NACRES:
NA.21

grade

for microscopy

form

liquid

impurities

2-naphthylamine
 acetic acid

refractive index

n20/D 1.353

density

1.037 g/mL at 20 °C

application(s)

food and beverages
general analytical

General description

The Griess reagent is used for the quantitative analysis of nitrite ions. Present nitrite (as well as nitrate) ions will form a pink diazo dye by diazonium coupling reaction with N-(1-Naphthyl)ethylenediamine. The concentration of nitrite (or nitrate) ions is proportional to the color intensity of the resulting red solution.

Pictograms

Health hazardCorrosion
GHS08,GHS05

Signal Word

Danger

Hazard Statements

H314,H350

Hazard Classifications

Carc. 1A - Eye Dam. 1 - Skin Corr. 1B

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCB9005
BCBZ2918
BCBT1248
BCBT1571
BCBQ4791V

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