甲基红, AnalaR NORMAPUR® ACS, Reag. Ph. Eur. C.I. 13020
供应商: VWR Chemicals
Synonyms:
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, 酸性红 2
VWRC86159.150EA
1395
CNY
VWRC86159.150
VWRC86159.180
甲基红, AnalaR NORMAPUR® ACS, Reag. Ph. Eur. C.I. 13020
甲基红
分子式:
C₁₅H₁₅N₃O₂ 分子量: 269.3 g/mol |
MDL编号:
MFCD00002425 CAS号: 493-52-7 Merck Index: 12,06199 |
产品技术规格
pH range (red-violet to brownish-yellow) | 4,5 - 6,2 |
Absorption maximum λ1 (pH 4,5) | 523 - 526 nm |
Absorption maximum λ2 (pH 6,2) | 427 - 437 nm |
Absorptivity (A1%/1 cm; λ1; pH 4,5 on dried sample) | 1380 - 1480 |
Absorptivity (A1%/1 cm; λ2; pH 6,2 on dried sample) | 700 - 800 |
Transition range acc. ACS | Passes test |
Loss on drying (110 ºC) | ≤ 5% |
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