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4-(4-Nitrophenylazo)resorcinol, 90+%

CAS: 74-39-5 | C12H9N3O4 | 259.22 g/mol

$94.08 - $895.01

Chemical Identifiers

CAS 74-39-5
Molecular Formula C12H9N3O4
Molecular Weight (g/mol) 259.22
MDL Number MFCD00007310
InChI Key BIFFKKLAAIGZBV-UHFFFAOYSA-N
Synonym p-nitrophenylazoresorcinol, p-diazoviolet, p-nitrobenzeneazoresorcinol, magneson i, magnezon i, 4-p-nitrophenylazo resorcinol, p-diazviolet, 2,4-dihydroxy-4'-nitroazobenzene, magneson, 4-4-nitrophenylazo resorcinol
PubChem CID 5717413
IUPAC Name (4E)-3-hydroxy-4-[(4-nitrophenyl)hydrazinylidene]cyclohexa-2,5-dien-1-one
SMILES OC1=CC(=O)C=CC1=NNC1=CC=C(C=C1)[N+]([O-])=O
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Products 3
Catalog Number Mfr. No. Quantity Price Quantity  
Catalog Number Mfr. No. Quantity Price Quantity  
AAA1223214
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Thermo Scientific Chemicals
A1223214
25 g
Each for $94.08
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AAA1223222
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Thermo Scientific Chemicals
A1223222
100 g
Each for $234.78
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AAA1223236
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Thermo Scientific Chemicals
A1223236
500 g
Each for $895.01
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Description

Description

It is a derivitized resorcinol dye compound with an absorption maximum of 432 nm. Used as a pH indicator.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
It is a derivitized resorcinol dye compound with an absorption maximum of 432 nm. Used as a pH indicator.

Solubility
Soluble in dilute sodium hydroxide. Insoluble in water.

Notes
Store in cool, dry place in a tightly sealed container. Store away from oxidizing agent.
Specifications

Chemical Identifiers

74-39-5
259.22
BIFFKKLAAIGZBV-UHFFFAOYSA-N
5717413
OC1=CC(=O)C=CC1=NNC1=CC=C(C=C1)[N+]([O-])=O
C12H9N3O4
MFCD00007310
p-nitrophenylazoresorcinol, p-diazoviolet, p-nitrobenzeneazoresorcinol, magneson i, magnezon i, 4-p-nitrophenylazo resorcinol, p-diazviolet, 2,4-dihydroxy-4'-nitroazobenzene, magneson, 4-4-nitrophenylazo resorcinol
(4E)-3-hydroxy-4-[(4-nitrophenyl)hydrazinylidene]cyclohexa-2,5-dien-1-one

Specifications

74-39-5
C12H9N3O4
25 g
14,5695
BIFFKKLAAIGZBV-UHFFFAOYSA-N
(4E)-3-hydroxy-4-[(4-nitrophenyl)hydrazinylidene]cyclohexa-2,5-dien-1-one
5717413
95%
∼185°C (decomposition)
MFCD00007310
674709
p-nitrophenylazoresorcinol, p-diazoviolet, p-nitrobenzeneazoresorcinol, magneson i, magnezon i, 4-p-nitrophenylazo resorcinol, p-diazviolet, 2,4-dihydroxy-4'-nitroazobenzene, magneson, 4-4-nitrophenylazo resorcinol
OC1=CC(=O)C=CC1=NNC1=CC=C(C=C1)[N+]([O-])=O
259.22
259.22
4- (4-Nitrophenylazo)resorcinol
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Safety and Handling

Safety and Handling

GHS H Statement
H315-H319-H335
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.

GHS P Statement
P261-P280-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapors/spray.
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do.
Continue rinsing.
IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.

Warning

RTECSNumber : VH2810000

TSCA : TSCA

SDS
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RUO – Research Use Only