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GIEMSA'S STAIN MODIFIED

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COAs
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Article No. 3940S Grade
Purity CAS No. 51811-82-6
Molecular Formula Molecular Weight
H.S. Code 3204.9000 Shelf Life 60 Months

Specifications

Appearance Blakish green powder Solubility (0.1% in methanol) Almost clear to opaque blue solution with greenish fluorescence
Absorption maxima in methanol (λmax1) 635 - 640 nm Absorption maxima in methanol (λmax2) 520 - 526 nm
Absorptivity (A 1%/1cm; at λmax1) Min 1050 Absorptivity (A 1%/1cm; at λmax2) Min 810
Molar ratio of Azur II:Eosin 1.35:1 Loss on drying (at 105°C; 1 hr) Max 10.0%
Suitability (for microscopy) Passes test

Safety Information and Hazard Symbols

Exclamation Mark
Symbol: GHS07
 Signal Word: Warning
 Hazardous Statement: H318
 Precaution Statement: P280-P305 + P351 + P338
Revision Date: 15-Sep-2026

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