1,4-Diamino-2,3-dihydroanthraquinone

Blue Ice

240, 26

Supplied as a dark greenish brown solid.

An anthraquinone-derived dye. A product from the combustion of red and violet smoke mixtures.

Synonyms:
1, 4-Diamino-2, 3-dihydro-9, 10-anthracenedione; 2, 3-Dihydro-1, 4-diaminoanthraquinone; C.I. Solvent Violet 47; NSC 23123; Solvent Violet 47

CAS Number:
81-63-0

Molecular Weight:
240.26

Molecular Formula:
C₁₄H₁₂N₂O₂

Solubility:
Methanol

Melting Point:
>190°C (dec.)

Appearance:
Supplied as a dark greenish brown solid.

Storage and Stability:
Store at 4°C. For maximum recovery of product, centrifuge the original vial prior to removing the cap.