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Merck
CN

M1782

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
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
24896692
EC Number:
217-279-1
MDL number:
MFCD00036446
Colour Index Number:
43830
Beilstein/REAXYS Number:
4101148

Key Documents

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Product Name

Chromeazurol B,

InChI key

JROAZQFKSSYEBL-YWABOPJLSA-L

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+;;

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

form

powder

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

Quality Level

200

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Application

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

General description

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

Legal Information

Eriochrome is a registered trademark of Huntsman Petrochemical, LLC

Storage Class

11 - Combustible Solids

wgk

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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M Kaye et al.
Kidney international, 37(4), 1142-1147 (1990-04-01)
Fourteen individuals on long term hemodialysis, with varying amounts of aluminum in bone from 11 to 296 mg/kg by flameless atomic absorption spectrophotometry, were examined to see whether the aluminon or acid solochrome azurine (ASA) staining reactions best approximated the
Spectrophotometric determination of trace uranium with eriochrome azurol B and chrome azurol S in the presence of the cationic surfactant septonex
Jancar L, et al.
Talanta, 36(5), 549-555 (1989)
[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)
A B Hodsman et al.
Journal of the American Society of Nephrology : JASN, 2(8), 1318-1327 (1992-02-01)
Twenty eight (14%) out of 196 patients in a regional dialysis population were found to have serum aluminum levels greater than or equal to 5 mumol/L or 135 micrograms/L; 21 consented to undergo a bone biopsy to identify the spectrum
S A Romanski et al.
Mayo Clinic proceedings, 68(5), 419-426 (1993-05-01)
We compared the sensitivity of aurin tricarboxylic acid (ATA) or acid solochrome azurine (ASA) for detecting bone aluminum histochemically in 87 biopsy specimens obtained between 1983 and 1987 from 84 patients receiving dialysis therapy. Two consecutive biopsy sections were stained
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