Methyl Red
Update:2014/12/12 13:42:31
| Item: | Methyl Red | ||
| Synonym: | 2-[[4-(二甲基氨基)苯基]偶氮基]苯甲酸, 4-二甲氨基偶氮苯-2′-羧酸, 酸性紅 2 | ||
| CAS No.: | 493-52-7 | Special Grade: | certified |
| Formula: | C15H15N3O2 | M.W.: | 269.30 |
Order
| Product No. | Size | Price | Brand |
| 250198-5g | 5g | 85 | GBCBIO |
| 250198-25g | 25g | 260 | GBCBIO |
| 250198-100g | 100g | 540 | GBCBIO |
| 250198-100g | 100g | 950 | Sigma |
Introduction
| Dye Content(%)...............................................................85 visual transition interval.................4.2 - 6.2, pink to yellow UV absorption(λmax )...............................................4 |
| 原生動(dòng)物活體染色；酸堿指示劑，pH變色范圍4.4(紅)～6.2(黃)；滴定氨、弱有機(jī)堿和生物堿，但不適用于除草酸和苦味酸以外的有機(jī)酸；可與溴甲酚綠和亞甲基藍(lán)組成混合指示劑以縮短變色域和提高變色的敏銳性；沉淀滴定的吸附指示劑，如用硝酸釷滴定氟離子；檢定游離氯、亞氯酸鹽等氧化劑。 |
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