EOSIN YELLOW 90% DYE CONTENT FOR MICROSCOPY (WATER SOLUBLE)

Product CodeB-01117BRANDBio-Chem
Grade FOR MICROSCOPYCAS No17372-87-1
Molecular FormulaC20H6Br4Na2O5Molecular Weight691.88
H.S.Code3204.90000Shelf Life60 Months
Purity90% dye content

Physical Properties

Physical state at 20 °CSolidColourBrownish powder
Density [g/cm3]1.018 g/cm3

Packaging

Bio-Fine

Specification

Appearance
Brownish red fine powder
Absorption maxima
515 – 518 nm
Dye content (by spectrophotometry)
Min 90%
Solubility (0.1% in water)
Clear solution
Absorptivity (A 1%/1cm; at lmax; in water)
1200 – 1400
Loss on dryig (at 110°C)
Max 8%
Copper (Cu)
Max 0.005%
Iron (Fe)
Max 0.005%
Nickel (Ni)
Max 0.005%
Lead (Pb)
Max 0.005%
Suitability (for microscopy)
Passes test

Safety Information and Hazard Symbols

Symbol: GHS05,GHS07, GHS08 , GHS09
Signal Word: Warning
Hazardous Statement: H319
Precaution Statement: P305 + P351 + P338

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