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Safety Information

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

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.

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

I10406-VAR:
I10406-5G:4548173996448
I10406-250MG:
I10406-25G:4548173996431
I10406-BULK:
I10406-1G:4548173996424

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Certificates of Analysis (COA)

Lot/Batch Number
BCCC0042
BCBW7182
BCBV4044
BCBR7437V
BCBR6989V

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