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C204

Supelco

Calmagite

indicator grade

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Synonym(s):
1-(1-Hydroxy-4-methyl-2-phenylazo)-2-naphthol-4-sulfonic acid, 3-Hydroxy-4-(2-hydroxy-5-methylphenylazo)naphthalene-1-sulfonic acid
Linear Formula:
HOC10H5[N=NC6H3(OH)CH3]SO3H
CAS Number:
3147-14-6
Molecular Weight:
358.37
Beilstein:
708596
EC Number:
221-563-0
MDL number:
MFCD00011656
PubChem Substance ID:
24892461
NACRES:
NA.83

grade

indicator grade

Quality Level

200

form

powder and chunks

technique(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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1 of 4

This Item
H31281.045941.00099
Calmagite indicator grade

Supelco

C204

Calmagite

Calconcarboxylic acid

Sigma-Aldrich

H3128

Calconcarboxylic acid

Calcon (C.I.15705) metal indicator

Supelco

1.04594

Calcon (C.I.15705)

1-Amino-2-hydroxy-4-naphthalenesulfonic acid for determination of phosphate

Supelco

1.00099

1-Amino-2-hydroxy-4-naphthalenesulfonic acid

form

powder and chunks

form

powder

form

solid

form

solid

technique(s)

titration: suitable

technique(s)

-

technique(s)

-

technique(s)

-

mp

330 °C (lit.)

mp

300 °C

mp

-

mp

-

λmax

602 nm

λmax

-

λmax

634-640 nm (buffer pH 12.2)

λmax

-

Gene Information

human ... MPL(4352)

Gene Information

-

Gene Information

-

Gene Information

-

Application

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

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315 - H319 - H335

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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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
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)
Calmagite method for determination of serum magnesium modified.
S A Cohen et al.
Clinical chemistry, 26(6), 783-783 (1980-05-01)
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
Laboratory Medicine, 12, 139-139 (1989)
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