All Photos(1)

C204

Supelco

Calmagite

indicator grade

Synonym(s):
3-Hydroxy-4-(2-hydroxy-5-methylphenylazo)naphthalene-1-sulfonic acid, 1-(1-Hydroxy-4-methyl-2-phenylazo)-2-naphthol-4-sulfonic acid
Linear Formula:
HOC10H5[N=NC6H3(OH)CH3]SO3H
CAS Number:
Molecular Weight:
358.37
Beilstein:
708596
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.83

Quality Level

grade

indicator grade

form

powder and chunks

application(s)

titration: suitable

mp

330 °C (lit.)

λmax

602 nm

SMILES string

Cc1ccc(O)c(c1)N=Nc2c(O)cc(c3ccccc23)S(O)(=O)=O

InChI

1S/C17H14N2O5S/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/h2-9,20-21H,1H3,(H,22,23,24)

InChI key

VBRNLOQCBCPPHL-UHFFFAOYSA-N

Gene Information

human ... MPL(4352)

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Related Categories

Application

Used for the determination of magnesium in biological materials.
Used as an indicator in the titration of calcium or magnesium with EDTA.

Packaging

10, 25 g in glass bottle

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK Germany

WGK 3

Flash Point F

Not applicable

Flash Point C

Not applicable

Certificate of Analysis

Certificate of Origin

Determination of magnesium in serum by the technicon SMAC with a calmagite method with blank correction.
S Brown et al.
Clinical chemistry, 36(11), 1990-1991 (1990-11-01)
Tippu S Sheriff et al.
Dalton transactions (Cambridge, England : 2003), (44)(44), 5119-5122 (2007-11-07)
Hydrogen peroxide (H(2)O(2)) generated from the manganese(II) catalysed reduction of dioxygen has been shown to efficiently oxidize Calmagite (3-hydroxy-4-(2-hydroxy-5-methylphenylazo)naphthalene-1-sulfonic acid) in aqueous solution at pH 8.0 and 20 +/- 1 degrees C with de-protonated Tiron (1,2-dihydroxybenzene-3,5-disulfonate, disodium salt) acting as...
Shirish Agarwal et al.
Chemosphere, 73(5), 837-843 (2008-08-05)
Electrochemical degradation (ECD) is a promising technology for in situ remediation of diversely contaminated environmental matrices by application of a low level electric potential gradient. This investigation, prompted by successful bench-scale ECD of trichloroethylene, involved development, parametric characterization and evaluation...
Bahram Hemmateenejad et al.
Analytica chimica acta, 607(2), 142-152 (2008-01-15)
Annihilation of the contribution of one chemical component from the original data matrix is a general method in rank annihilation factor analysis (RAFA). However, RAFA is not applicable for studying the protonation equilibria of multiprotic acids. In this work, a...
Calmagite method for determination of serum magnesium modified.
S A Cohen et al.
Clinical chemistry, 26(6), 783-783 (1980-05-01)

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