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330574

Sigma-Aldrich

Indophenol Blue

Dye content 60 %

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1 G
$69.10
5 G
$255.00

$69.10

Estimated to ship onMay 16, 2025

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1 G
$69.10
5 G
$255.00

About This Item

Empirical Formula (Hill Notation):
C18H16N2O
CAS Number:
132-31-0
Molecular Weight:
276.33
Colour Index Number:
49700
Beilstein/REAXYS Number:
2379761
EC Number:
205-056-1
MDL number:
MFCD00041739
UNSPSC Code:
12171500
PubChem Substance ID:
24859872
NACRES:
NA.47

$69.10

Estimated to ship onMay 16, 2025

Request a Bulk Order

form

powder

Quality Level

100

composition

Dye content, 60%

technique(s)

titration: suitable

mp

168-170 °C (lit.)

λmax

606 nm

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

CN(C)c1ccc(cc1)\N=C2/C=CC(=O)c3ccccc23

InChI

1S/C18H16N2O/c1-20(2)14-9-7-13(8-10-14)19-17-11-12-18(21)16-6-4-3-5-15(16)17/h3-12H,1-2H3/b19-17+

InChI key

VRZJGENLTNRAIG-HTXNQAPBSA-N

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General description

Indophenol Blue is used to colorimetrically measure N-containing compounds. The free amino acids react to form a blue color complex.[1]

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
26496KH
12208HI
12123CU
12102CF
11606LG

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