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Key Documents

C6634

Sigma-Aldrich

Calmagite triethanolammonium salt

Synonym(s):

1-(1-Hydroxy-4-methyl-2-phenylazo)-2-naphthol-4-sulfonic acid

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About This Item

Empirical Formula (Hill Notation):
C17H14N2O5S · C6H15NO3
CAS Number:
Molecular Weight:
507.56
MDL number:
UNSPSC Code:
12171500
PubChem Substance ID:
NACRES:
NA.47

form

powder

Quality Level

composition

Dye content, ~90%

solubility

water: 10 mg/mL, dark red

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

OCCN(CCO)CCO.Cc1ccc(O)c(c1)\N=N\c2c(O)cc(c3ccccc23)S(O)(=O)=O

InChI

1S/C17H14N2O5S.C6H15NO3/c1-10-6-7-14(20)13(8-10)18-19-17-12-5-3-2-4-11(12)16(9-15(17)21)25(22,23)24;8-4-1-7(2-5-9)3-6-10/h2-9,18,20H,1H3,(H,22,23,24);8-10H,1-6H2/b19-17-;

InChI key

GGNUGDPCWJTITG-HGMLFDQWSA-N

Application

Used as an indicator in the titration of calcium or magnesium with EDTA.

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

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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