Merck 103168.0025 Eriochrome blue-black B | TURA Laboratuvar Çözümleri

(C.I. 14640) metal indicator

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Ürün Fiyatı:	41,11 €

CAS #	EC Number	Hill Formula	Molar Mass
3564-14-5	222-639-6	C₂₀H₁₃N₂NaO₅S	416.39 g/mol

Description
Catalogue Number	103168
Synonyms	2-Hydroxy-1-(1-hydroxy-2-naphthylazo)-naphthalene-4-sulfonic acid sodium salt

Physicochemical Information
pH value	9.5 (10 g/l, H₂O, 20 °C)
Bulk density	540 kg/m3
Solubility	20 g/l (20 °C)

Toxicological Information
LD 50 oral	LD50 Rat > 5000 mg/kg

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H319: Causes serious eye irritation.
Precautionary Statement(s)	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
RTECS	QK2195000
Storage class	10 – 13 Other liquids and solids
WGK	WGK 2 water endangering
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 +15°C to +25°C.

Specifications
Identity (UV/VIS-Spectrum)	passes test
Absorption maximum λ_max. (buffer pH 10.0)	634 – 644 nm
Spec. Absorptivity A 1%/1cm (λ_max; 0.025 g/l; buffer pH 10.0; calculated on anhydrous substance)	220 – 320
Loss on drying (110 °C)	≤ 10 %
Suitability as indicator (for metal titration)	passes test

1.03168.0025

M103168.0025

1.03168.0025

1031680025

Laboratuvar Kimyasalları

Eriokrom mavi-siyah B (C.I. 14640) metal gösterge

3564-14-5 2-Hydroxy-1-(1-hydroxy-2-naphthylazo)-naphthalene-4-sulfonic acid sodium salt indikatör metal indikatör eriokrom

25 gr

41,11 € + %20 KDV

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