C204

Calmagite

metal indicator

• 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
• NACRES: NA.83
• PubChem Substance ID: 24892461
• UNSPSC Code: 12352204
• EC Number: 221-563-0
• MDL number: MFCD00011656
• Beilstein/REAXYS Number: 708596

Properties

• Product Name: Calmagite, indicator grade
• grade: indicator grade
• Quality Segment: 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)

Description

Application

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

Used for the determination of magnesium in biological materials.

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H315,H319,H335
• pcodes: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 11 - Combustible Solids
• wgk: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable