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Carminic Acid 98% AR For Microscopy | 00694 Pallav Chemicals | MSDs COA

Home > Pallav Chemicals > Biological Stains and Dyes > Carminic Acid 98% AR For Microscopy

Carminic Acid 98% AR For Microscopy
C.I.No.75470 Used as a red colouring agent. Natural Red 4

Product Code.
 00694
Grade
 For Microscopy
Purity
 98%
CAS No.
 1260-17-9
Molecular Formula
 C22H20O13
Molecular Weight
 492.40
H.S.Code
 3203.00900
Shelf Life
 60 Months
COAs

Physical Properties

Physical state at 20 °C
Solid
 Colour
Red
 Odour
Odorless
pH value
4.8 - 6.2
 Solubility in water [% weight]
Appreciable (> 10%)

Packaging

Specification

Appearance
Dark brownish red powder
Assay (acidimetric; on dried basis)
Min 98.0%
Loss on drying (at 105°C)
Max 7.0%
Suitability (for microscopy)
Passes test
Absorption maxima at pH 3.0
490 - 495 nm
Specific absorptivity 1%/1cm (at lmax)
Min 130

Safety Information and Hazard Symbols