Merck 103168.0025 Eriochrome blue-black B

(C.I. 14640) metal indicator

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Ambalaj Miktarı: 25 Gr

(2024 güncel fiyat)

Ambalaj Fiyatı: 41,11 € +%20 KDV

 

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Ürün Fiyatı: 41,11 €

Ürün Özellikleri

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

Product Information
CAS number 3564-14-5
EC number 222-639-6
Hill Formula C₂₀H₁₃N₂NaO₅S
Molar Mass 416.39 g/mol
HS Code 3204 19 00
Structure formula Image

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.

Safety Information
Hazard Symbols Irritant
Categories of danger irritant
R Phrase R 36
Irritating to eyes.

Storage and Shipping Information
Storage Store at +15°C to +25°C.

Specifications
Identity (UV/VIS-Spectrum) passes test
Absorption maximum λmax. (buffer pH 10.0) 634 – 644 nm
Spec. Absorptivity A 1%/1cm (λmax; 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

Ürün Özellikleri:

25 gr 41,11 € + %20 KDV
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