Fluorescein sodium salt
Molecular Structure:
MDL:
--MFCD00167039
Molecular Formula:
C20H10Na2O5
Molecular Weight:
376.27
Alias:
荧光素钠盐,萤光素钠,荧光红钠,荧光黄钠,荧光素二钠,萤光橙红钠,萤光素二钠
Acid Yellow 73
Uranine
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
Fluorescein sodium salt |
进分 |
50g |
RMB 429 |
现货 |
Fluorescein sodium salt |
进分 |
100g |
RMB 528 |
现货 |
Fluorescein sodium salt |
AR |
500g |
RMB 418 |
现货 |
Fluorescein sodium salt |
AR |
100g |
RMB 107.8 |
Consulting service |
Character:
橙红色粉末。无气味。有吸湿性。易溶于水,水中溶解度: 500 g/L (20°C), 溶液呈黄红色,并带极强的黄绿色荧光,酸化后消失,中和或碱化后又出现,微溶于乙醇,几乎不溶于氯仿和乙醚。水溶液与血浆等渗。
熔点:320 ºC
Quality Standard:
品级Grade 分析纯
(AR)
外观Appearance 橘红色至暗棕色或棕绿色粉末
红外光谱测定Infrared spectrometry 和对照匹配
干燥损失Loss on drying <10 % (105°C)
λ max 488-491 nm (in buffer pH 8)
吸光率Absorpt. Ratio P-15/P+15 1.2 - 1.7
吸光直Specific abs. A (1%/1cm) >1700 (at lambda max.)
Storage:
用途 同荧光素。