Methyl Red Indicator
ürün Kodu : 106076.0100Sorunuz!
106076.0025
Methyl red indicator
| Ürün bilgisi | |||
|---|---|---|---|
| Grade | ACS,Reag. Ph Eur | ||
| Synonyms | 4-Dimethylaminoazobenzene-2'-carboxylic acid | ||
| Hill Formula | C15H15N3O2 | ||
| HS Code | 2927 00 00 | ||
| EC number | 207-776-1 | ||
| Molar mass | 269.31 g/mol | ||
| CAS number | 493-52-7 | ||
| Kimyasal ve fiziksel veri | |||
|---|---|---|---|
| Solubility | (20 °C) slightly soluble | ||
| Melting point | 178 - 182 °C | ||
| Molar mass | 269.31 g/mol | ||
| Bulk density | 300 - 500 kg/m3 | ||
| Güvenlik bilgisi | |||
|---|---|---|---|
| R Phrase | R 51/53 Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
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| S Phrase | S 61 Avoid release to the environment. Refer to special instructions/ Safety data sheets. |
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| Categories of danger | dangerous for the environment | ||
| Hazard Symbol |
|
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| 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. |
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| Spesifikasyonlar | |
|---|---|
| Identity (UV/VIS-Spectrum) | passes test |
| Appearance | Red to red-violet powder, eventually with granular parts. |
| Clarity of solution (1 g/l; ethanol) | passes test |
| Melting point (capillary method, temperatur measerment in the heating block) | 179 - 182 °C |
| Transition range | pH 4.4 - pH 6.0 Red - yellow |
| Absorption maximum - buffer pH 4.5 |
523 - 526 nm |
| - buffer pH 6.2 | 427 - 437 nm |
| Spec. Absorptivity A 1%/1cm - λmax; 0.005 g/l; buffer pH 4.5; calculated on anhydrous substance |
1350 - 1500 |
| - λmax; 0.005 g/l; buffer pH 6.2; calculated on anhydrous substance | 700 - 800 |
| Transition range - according to ACS |
passes test |
| Loss on drying (110 °C) | ≤ 5 % |