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MilliporeSigma

M1782

Sigma-Aldrich

Chromeazurol B

Powder

Synonym(s):

Chrome Azurol B, Eriochrome® Azurol B, Mordant blue 1

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About This Item

Empirical Formula (Hill Notation):
C23H14Cl2Na2O6
CAS Number:
1796-92-5
Molecular Weight:
503.24
Colour Index Number:
43830
Beilstein/REAXYS Number:
4101148
EC Number:
217-279-1
MDL number:
MFCD00036446
UNSPSC Code:
12171500
PubChem Substance ID:
24896692
NACRES:
NA.47

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Product Name

Chromeazurol B,

form

powder

Quality Level

200

composition

Dye content, ~60%

color

BROWN WITH AN ORANGE TO RED CAST POWDER

solubility

water: 1 mg/mL, slightly hazy, orange

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[Na+].[Na+].Cc1cc(cc(C([O-])=O)c1O)\C(=C2\C=C(C)C(=O)C(=C2)C([O-])=O)c3c(Cl)cccc3Cl

InChI

1S/C23H16Cl2O6.2Na/c1-10-6-12(8-14(20(10)26)22(28)29)18(19-16(24)4-3-5-17(19)25)13-7-11(2)21(27)15(9-13)23(30)31;;/h3-9,26H,1-2H3,(H,28,29)(H,30,31);;/q;2*+1/p-2/b18-13+;;

InChI key

JROAZQFKSSYEBL-YWABOPJLSA-L

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Show Differences

1 of 4

This Item
199532A4043227935
Chromeazurol B

Sigma-Aldrich

M1782

Chromeazurol B

Chromeazurol S Dye content 45 %

Sigma-Aldrich

199532

Chromeazurol S

Azure B certified by the BSC

Sigma-Aldrich

A4043

Azure B

Azure B prepared by direct synthesis

Sigma-Aldrich

227935

Azure B

color

BROWN WITH AN ORANGE TO RED CAST POWDER

color

dark brown

color

dark green

color

-

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

diagnostic assay manufacturing
hematology
histology

solubility

water: 1 mg/mL, slightly hazy, orange

solubility

water: 0.1%

solubility

H2O: 1 mg/mL

solubility

water: 1 mg/mL, blue to very deep blue

form

powder

form

powder

form

powder

form

powder

composition

Dye content, ~60%

composition

Dye content, 45%

composition

Dye content, ≥89%

composition

-

Quality Level

200

Quality Level

100

Quality Level

200

Quality Level

200

General description

Chromeazurol B is a dye, belonging to the class of triphenylmethanes.[1]

Application

Chromeazurol B may be used as a synthetic dye in the determination of trace levels of uranium in water samples using spectrophotometric technique.[2]

Legal Information

Eriochrome is a registered trademark of Huntsman Petrochemical, LLC

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
0000458169
0000458169
SHBS7158
0000419555
0000419555

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L M dos Reis et al.
Revista do Hospital das Clinicas, 52(4), 171-174 (1997-07-01)
Aluminum (Al) may be a pathogenic factor in dialysis associated osteodistrophy. Aluminon and Acid Solochrome Azurine have been used for the detection of Al deposits in bone. We compared Aluminon and Acid Solochrome Azurine stains in normal (N) and uremic
G Brivio et al.
La Ricerca in clinica e in laboratorio, 16(4), 523-532 (1986-10-01)
A highly sensitive monoreagent for the determination of iron and total iron-binding capacity (TIBC) in serum is described in this paper. It contains the dye chromazurol B which gives with iron a high molar absorption complex (A630nm = 1.6 X
M Paris et al.
Annales de biologie clinique, 44(5), 511-516 (1986-01-01)
The authors describe a manual method for the direct assay of iron in human serum using the ammonium salt of Chromazurol B. This new chromogen reacts with ferric or ferrous ions and cetyltrimethylammonium bromide giving a purple ternary complex. Reliability
The reduction mechanism at the mercury electrode in neutral and alkaline aqueous media of an hydroxytriphenylmethane dye: Eriochrome Azurol B.
Boodts C F J, et al.
J. Electroanal. Chem. Interfac. Electrochem., 139(1), 143-156 (1982)
[Determination of blood iron: chromazurol B, ferrozine or the method selected by the SFBC (Société Française de Biologie Clinique)?].
H Malandain et al.
Annales de biologie clinique, 45(3), 313-314 (1987-01-01)
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