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2',7'-Dichlorofluorescein

Cas:
76-54-0
Molecular Structure:
MDL:
MFCD00005047
Molecular Formula:
C20H10Cl2O5
Molecular Weight:
401.20
Alias:
二氯荧光素,2',7'-二氯-3',6'-二羟基螺[异苯并呋喃-1(3H),9'-(9H)占吨]-3-酮 Dichloro (R) fluorescein 2',7'-Dichloro-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one
Product order:
Name Specifications Packing Price Delivery
2',7'-Dichlorofluorescein ACS 1g RMB 319 Consulting service
2',7'-Dichlorofluorescein ACS 5g RMB 539 Consulting service
2',7'-Dichlorofluorescein ACS 25g RMB 2398 Consulting service
Character:
微溶于水 (0.1-1%),微溶于DMSO,溶于甲醇和乙醇。
熔点:280 °C
密度:0.79
Quality Standard:
项目                                     ACS级
                                      (用作荧光指示剂)        
外观Appearance                          浅橙色至棕红色粉末
干燥损失Loss on drying                  <5 % (110°C)
λ max                                   501 - 503 nm (用0.1 N NaOH)
吸光度Specific abs. A (1%/1cm)          >2000 (at λ max.) 
Storage:
荧光指示剂。
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