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I10406

Sigma-Aldrich

Iodonitrotetrazolium chloride

95%

Synonym(s):

2-(4-Iodophenyl)-3-(4-nitrophenyl)-5-phenyl-2H-tetrazolium chloride, p-Iodonitrotetrazolium Violet, INT

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About This Item

Empirical Formula (Hill Notation):
C19H13ClIN5O2
CAS Number:
146-68-9
Molecular Weight:
505.70
Beilstein:
4093224
EC Number:
205-676-2
MDL number:
MFCD00011961
UNSPSC Code:
12352100
PubChem Substance ID:
24895918
NACRES:
NA.22

Assay

95%

impurities

<5% methyl alcohol

mp

240 °C (dec.) (lit.)

storage temp.

2-8°C

SMILES string

[Cl-].[O-][N+](=O)c1ccc(cc1)-[n+]2nc(nn2-c3ccc(I)cc3)-c4ccccc4

InChI

1S/C19H13IN5O2.ClH/c20-15-6-8-16(9-7-15)23-21-19(14-4-2-1-3-5-14)22-24(23)17-10-12-18(13-11-17)25(26)27;/h1-13H;1H/q+1;/p-1

InChI key

JORABGDXCIBAFL-UHFFFAOYSA-M

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Application

Iodonitrotetrazolium chloride (INT) on reduction gets converted to iodonitrotetrazolium formazan, a water insoluble violet colored dye or indicator. Hence INT can be used for the colorimetric assay of various dehydrogenases.
Electron acceptor for the colorimetric assay of various dehydrogenases

Signal Word

Danger

Hazard Statements

H228,H335,H371

Hazard Classifications

Flam. Sol. 1 - STOT SE 2 - STOT SE 3

Target Organs

Eyes,Central nervous system, Respiratory system

Storage Class Code

4.1B - Flammable solid hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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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