FLUORESCEIN (FOR MICROSCOPY) (C.I. NO. 45350)

FLUORESCEIN (FOR MICROSCOPY) (C.I. NO. 45350) FLUORESCEIN (FOR MICROSCOPY) (C.I. NO. 45350)
Article No. Grade Purity Cas no. Molecular Formula Molecular Weight H.S. Code Shelf Life
F0100100100 FOR MICROSCOPY 95% 2321-07-5 C20H12O5 332.31 3204.9000
60 Months

Physical Properties

Physical state at 20 °C

Solid

Colour

Orange red powder

Odour

Odorless

Melting Point/ Freezing point [°C]

320 °C

Specifications

Appearance:

 Orange red brown or maroon powder

Loss on drying (at 105°C) :

 Max 5.0%

Assay (on anhydrous basis):

 Min 95%

Molar absorptivity E(238+/-2nm):

 Min 39000

Molar absorptivity E(284+/-2nm):

 Min 12000

Molar absorptivity E(490+/-2nm):

 Min 70000

Solubility (in 1N NaOH):

 50 mg/ml

Melting point:

 About 315 °C

Safety Information and Hazard Symbols

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H319
Precaution Statement: P305 + P351 + P338
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Globally Harmonized System of classification and Labelling of Chemicals (GHS)

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