Skip to Content
Merck
All Photos(3)

Key Documents

View All Documentation

I5763

Sigma-Aldrich

Indophenol

Powder

Synonym(s):

Phenolindophenol

Sign Into View Organizational & Contract Pricing
All Photos(3)

About This Item

Empirical Formula (Hill Notation):
C12H9NO2
CAS Number:
500-85-6
Molecular Weight:
199.21
Beilstein:
2095656
EC Number:
207-913-5
MDL number:
MFCD00001621
UNSPSC Code:
12171500
PubChem Substance ID:
24896077
NACRES:
NA.47

product name

Indophenol,

form

powder

color

dark green to black

mp

>300 °C (lit.)

solubility

1 M NaOH: 10 mg/mL, clear, blue to very deep blue

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

Oc1ccc(cc1)N=C2C=CC(=O)C=C2

InChI

1S/C12H9NO2/c14-11-5-1-9(2-6-11)13-10-3-7-12(15)8-4-10/h1-8,14H

InChI key

RSAZYXZUJROYKR-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

General description

Indophenol is used in hair dyes, redox materials, lubricants, liquid crystal displays, biosensor and fuel cells. It is toxic to fishes and is implicated in environmental pollution.
Indophenol method is common for the determination of ammonia. The reaction gives a blue product, which is measured spectrophotometrically.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Marczenko Z and Balcerzak M
Separation, Preconcentration and Spectrophotometry in Inorganic Analysis (2000)
Handbook of Acid-Base Indicators (2007)
Sonia Senra-Ferreiro et al.
Talanta, 85(3), 1448-1452 (2011-08-03)
A miniaturized method based on liquid-phase microextraction (LPME) in combination with microvolume UV-vis spectrophotometry for monitoring ammonia in waters is proposed. The methodology is based on the extraction of the ion pair formed between the blue indophenol obtained according to
Mayumi Kondoh et al.
Neuroscience research, 48(1), 101-109 (2003-12-23)
Serotonergic fibers and receptors appear in the rat cerebellum during early postnatal development. In the present study, we investigated the actions of serotonin (5-HT) and its receptors in the dendrite formation of Purkinje cells in organotypic cultures of anterior and
Analía Bortolozzi et al.
The European journal of neuroscience, 18(5), 1235-1246 (2003-09-06)
In the rat, postsynaptic 5-hydroxytryptamine2A receptors medial prefrontal cortex control the activity of the serotonergic system through changes in the activity of pyramidal neurons projecting to the dorsal raphe nucleus. Here we extend these observations to mouse brain. The prefrontal
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service