MERCK

MERCK 104595.0005 Calconcarboxylic Acid Metal (PM) İndicator

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MERCK 104595.0005 Calconcarboxylic Acid Metal (PM) İndicator

Description
Catalogue Number	104595
Synonyms	Patton and Reeders Reagent, 2-Hydroxy-1-(2-hydroxy-4-sulfo-1-naphthylazo)-naphthalene-3-carboxylic acid

Product Information
CAS number	3737-95-9
EC number	223-117-0
Hill Formula	C₂₁H₁₄N₂O₇S * 2 H₂O
Molar Mass	474.45 g/mol
HS Code	2927 00 29
Structure formula Image
Quality Level	MQ200

Physicochemical Information
Melting Point	300 °C
Bulk density	400 kg/m3
Solubility	8 g/l

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H315: Causes skin irritation. H319: Causes serious eye irritation. H335: May cause respiratory irritation.
Precautionary Statement(s)	P261: Avoid breathing dust. P264: Wash skin thoroughly after handling. P271: Use only outdoors or in a well-ventilated area. P280: Wear protective gloves/ eye protection/ face protection. P302 + P352: IF ON SKIN: Wash with plenty of water. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Signal Word	Warning
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 +5°C to +30°C.

Specifications
Identity (UV/VIS-Spectrum)	passes test
Appearance of solution (0.1 g/l; ethanol)	passes test
Absorption maximum λ_max. (Ethanol)	569 - 572 nm
Spec. Absorptivity A 1%/1cm (λ_max.; 0.025 g/l; ethanol; calc. on water free substance)	≥ 250
Water (according to Karl Fischer)	≤ 9 %
Suitability as indicator (for metal titration)	passes test

Global Trade Item Number
Catalogue Number	GTIN
1045950005	04022536053202
1045950025	04022536053219

Etiketler

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