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Carmoisine A 50% Dye Content Extra Pure
C.I.No.14720 It is used a synthetic azo dye. Acid Red 14, Chromotrope FB, Disodium 4-hydroxy-3-[(4-sulfo-1-naphthalenyl)azo]-1-naphthalenesulfonate, Mordant Blue 79

Product Code.
00695
Grade
Purity
50% dye content
CAS No.
3567-69-9
Molecular Formula
C20H12N2O7S2Na2
Molecular Weight
502.43
H.S.Code
3204.12190
Shelf Life
60 Months

Physical Properties

Physical state at 20 °C
Solid
Colour
Red brown
Odour
Odorless
Solubility in water [% weight]
Soluble in water

Packaging

Specification

Appearance
Dark red to brown to black powder
Absorption maxima ?max1 (0.03 g/L in water)
513 - 519 nm
Extinction coefficient at ?max1
Min 14500
Absorption maxima ?max2 (0.03 g/L in water)
320 - 326 nm
Extinction coefficient at ?max2
Min 9000
Absorption maxima ?max3 (0.03 g/L in water)
214 - 220 nm
Extinction coefficient at ?max3
Min 33000

Safety Information and Hazard Symbols

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338