Merck 104594 0050 Calcon (C.i.15705) Metal indicator 50 GR.

Merck 104594 0050 Calcon (C.i.15705) Metal indicator 50 GR.

60.06 ( KDV Dahil )

metal indicator CAS #: 2538-85-4 EC Number: 219-810-2

Stok kodu: 104594.0050 Kategoriler: ,

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Description
Catalogue Number 104594
Synonyms 2-Hydroxy-1-(2-hydroxy-1-naphthylazo)naphthalene-4-sulfonic acid sodium salt

Product Information
CAS number 2538-85-4
EC number 219-810-2
Hill Formula C₂₀H₁₃N₂NaO₅S
Molar Mass 416.39 g/mol
HS Code 2927 00 00
Structure formula Image Structure formula Image
Quality Level MQ200

Physicochemical Information
pH value 9.4 (10 g/l, H₂O, 25 °C)
Bulk density 530 kg/m3
Solubility 20 g/l

Safety Information according to GHS
Storage class 10 – 13 Other liquids and solids
WGK WGK 3 highly hazardous to water
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

Storage and Shipping Information
Storage Store at +2°C to +30°C.

Specifications
Identity (UV/VIS-Spectrum) passes test
Absorption maximum λmax. (buffer pH 12.2) 634 – 640 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.015 g/l; buffer pH 12.2; calculated on dried substance) 250 – 400
Loss on drying (110 °C) ≤ 10 %
Suitability as indicator (for metal titration) passes test
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