推荐：1-Naphtholphthalein@2024已更新

别名:1-Naphtholphthalein

Empirical Formula (Hill Notation):C28H18O4

CAS号:596-01-0

分子量:418.44

MDL编号:MFCD00036202

EC索引号:209-875-5

属性
质量水平
200

形式
solid

缺失
≤5% loss on drying, 110°C

visual transition interval
7.1-8.3, pink-brown to blue

mp
253-255 °C

堆积密度
350 kg/m3

Amax
470-485 nm (buffer pH 7.1)
649-654 nm (buffer pH 8.3)

储存温度
2-30°C

InChI
1S/C28H18O4/c29-25-15-13-23(17-7-1-3-9-19(17)25)28(22-12-6-5-11-21(22)27(31)32-28)24-14-16-26(30)20-10-4-2-8-18(20)24/h1-16,29-30H

InChI key
HQHBAGKIEAOSNM-UHFFFAOYSA-N

说明
分析说明
Identity (UV/VIS-Spectrum): passes test
Transition range: pH 7.1 - pH 8.3pinkbrownish - blue
Absorption maximum λ 1 (buffer pH?7.1): 470 - 485 nm
Absorption maximum λ 2 (buffer pH?8.3): 649 - 654 nm
Spec. Absorptivity A 1%/1cm (λ1max; 0.01?g/l; buffer pH?7.1; calc. on anhydrous substance): 100 - 180
Spec. Absorptivity A 1%/1cm (λ2max; 0.01?g/l; buffer pH?8.3; calc. on anhydrous substance): 360 - 520
Loss on drying (110?°C): ≤ 5 %

安全信息
储存分类代码
11 - Combustible Solids

WGK
WGK 3

闪点(°F)
Not applicable

闪点(°C)
Not applicable


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