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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

COAs

Packings

25 g (00025)

1000 g (01000)

1PB1200060 1PW1201600
Print friendly version
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

Physical Properties

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

Specifications

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

Safety Information and Hazard Symbols

Exclamation Mark
Symbol: GHS07
 Signal Word: Warning
 Hazardous Statement: H315-H319-H335
 Precaution Statement: P261-P305 + P351 + P338
Revision Date: 03-Jan-2018

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