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Home > Products >  Fluorescein

Fluorescein CAS NO.2321-07-5

  • Min.Order: 25 Kilogram
  • Payment Terms: L/C,D/A,D/P,T/T,
  • Product Details

Keywords

  • Fluorescein free acid
  • PH Indicators
  • Chemical reagent

Quick Details

  • ProName: Fluorescein
  • CasNo: 2321-07-5
  • Molecular Formula: C20H12O5
  • Appearance: Orange-red Crystalline Powder
  • Application: It is used as an indicator or dye. Als...
  • DeliveryTime: 5-7 work days
  • PackAge: 500g/ 1kg, 5kg, 10kg, 25kg/ drum
  • Port: Any port of China
  • ProductionCapacity: 500 Kilogram/Month
  • Purity: AR Grade
  • Storage: Store in a tightly closed container. S...
  • Transportation: Air, Sea, Express
  • LimitNum: 25 Kilogram

Superiority

1. AR Grade. 

2. Appearance: Orange-red Crystalline Powder

 

Details

CAS NO.: 2321-07-5
Product Code:  FLU05
Synonyms: KI201; Eosin; angiofluor; Acid Yellow 73;
Fluorecein; YELLOW 7; Fluorescein;
Fluorescein (free acid);
3',6'-Dihydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one;
Formula: C20H12O5
Molecular Weight: 332.306
   
Properties  
Appearance: Orange-red Crystalline Powder
Density: 1.6 g/cm3
Melting Point: 314-316ºC
Boiling Point: 620.8ºC at 760 mmHg
Flash Point:  232.6ºC
Water Solubility: Insoluble
Stability: Combustible. Incompatible with strong oxidizing agents.
Safty Info  
Safety Statements: S26-S37/39
HS Code: 3204200000
WGK Germany: 3
Packing Group:  I; II; III
Risk Statements: R36;R43
Hazard Codes: Xn:Harmful
Use & Storage  
Use: It is used as an indicator or dye. Also it is the intermediate of Merbromin.
Storage: Store at RT.
   
COA  
Appearance Orange-red Crystalline Powder
Mass Absorption Wavelength                       λ(PH8.0), (nm) 490-493
Mass Absorption Coefficient                      λ(PH8.0),  (L/ cm. g)  ≥200
Loss on Drying ≤ 5.0 %
Residue on Ignition ≤ 0.30 % 
Ethanol Dissolution Passed
Sensitivity Test Passed

 

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