C19H13ClIN5O2
505.7 g/mol
Dye & PigmentDanger
Iodonitrotetrazolium chloride
CAS146-68-9EC205-676-2
Category
Dye & Pigment
Compound Class
Heterocycle
Primary Use
Histological dye
Iodonitrotetrazolium chloride is an organic chloride salt with iodonitrotetrazolium as the counterion. It is primarily used as a histological dye.
histological dye
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
ReferenceSame Category
2-[5-[1-(5-Carboxypentyl)-1,3-dihydro-3,3-dimethyl-5-sulfo-2H-indol-2-ylidene]-1,3-pentadien-1-yl]-1-ethyl-3,3-dimethyl-5-sulfo-3H-indolium inner salt
CAS146368-11-8
Luminescent cyanine dye
ReferenceSame Category
3H-Indolium, 2-[3-[1-[6-[(2,5-dioxo-1-pyrrolidinyl)oxy]-6-oxohexyl]-1,3-dihydro-3,3-dimethyl-5-sulfo-2H-indol-2-ylidene]-1-propen-1-yl]-1-ethyl-3,3-dimethyl-5-sulfo-, inner salt
CAS146368-16-3
fluorescent dye labeling reagent
ReferenceSame Category
(Phthalocyaninato)copper
CAS147-14-8
Pigment for inks and paints
ReferenceSame Category
Thiosalicylic acid
CAS147-93-3
Manufacture of thioindigo dyes and reagent for iron determination
Referencesame scaffold
Triphenyltetrazolium chloride
CAS298-96-4
research compound
Referencesame scaffold
2-(2-Methoxy-4-nitrophenyl)-3-(4-nitrophenyl)-5-(2,4-disulfophenyl)-2H-tetrazolium sodium salt
CAS193149-74-5
research compound
Safety Reference
Danger
H228Flammable solid
H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Iodonitrotetrazolium chloride (CAS 146-68-9) is 2933.99.
HS code (international, 6-digit)
2933.99
EU CN code (8-digit)
2933 99 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
2-(4-iodophenyl)-3-(4-nitrophenyl)-5-phenyltetrazol-3-ium chloride
InChIKey
JORABGDXCIBAFL-UHFFFAOYSA-M
SMILES
C1=CC=C(C=C1)C2=NN([N+](=N2)C3=CC=C(C=C3)[N+](=O)[O-])C4=CC=C(C=C4)I.[Cl-]
Synonyms (26)
- INT
- 2H-Tetrazolium, chloride
- Iodonitrotetrazolium
- Iodonitrotetrazolium chloride
- Iodonitrotetrazolium purple
- Iodonitrotetrazolium violet
- p-Iodonitrotetrazolium Violet
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