Eriochrome Black Blue Metal İndicator
ürün Kodu : 103168.0025Sorunuz!
103168.0025
Eriochrome blue-black metal indicator
Ürün bilgisi | |||
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Synonyms | 2-Hydroxy-1-(1-hydroxy-2-naphthylazo)-naphthalene-4-sulfonic acid sodium salt | ||
Hill Formula | C20H13N2NaO5S | ||
HS Code | 3204 19 00 | ||
EC number | 222-639-6 | ||
Molar mass | 416.39 g/mol | ||
CAS number | 3564-14-5 |
Kimyasal ve fiziksel veri | |||
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Solubility | 20 g/l (20 °C) | ||
Molar mass | 416.39 g/mol | ||
Bulk density | 540 kg/m3 | ||
pH value | 9.5 (10 g/l, H2O, 20 °C) |
GHS'e göre güvenlik bilgisi | |||
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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 | ||
Hazard Pictogram(s) | |||
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. |
Güvenlik bilgisi | |||
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R Phrase | R 36 Irritating to eyes. |
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Categories of danger | irritant | ||
Hazard Symbol |
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Toksikolojik veri | |||
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LD 50 oral | LD50 rat > 5000 mg/kg |
Spesifikasyonlar | |
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Identity (UV/VIS-Spectrum) | passes test |
Absorption maximum λ max (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 |