CARMOISINE A

CARMOISINE A 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

Article No.

02552

Grade

Extra Pure

Purity

50% dye content

CAS No.

3567-69-9

Molecular Formula

C₂₀H₁₂N₂O₇S₂Na₂

Molecular Weight

502.43

H.S. Code

3204.1219

Shelf Life

60 Months

MSDS

Certificate of Analysis (COAs)

Physical state at 20 °C

Solid

Colour

Red brown

Odour

Odorless

Solubility in water [% weight]

Soluble in water

Appearance	Dark red to brown to black powder
Absorption maxima λmax1 (0.03 g/L in water)	513 - 519 nm
Extinction coefficient at λmax1	Min 14500
Absorption maxima λmax2 (0.03 g/L in water)	320 - 326 nm
Extinction coefficient at λmax2	Min 9000
Absorption maxima λmax3 (0.03 g/L in water)	214 - 220 nm
Extinction coefficient at λmax3	Min 33000