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4680-78-8

4680-78-8 structural image
Product Name: ACID GREEN 3
Formula: C37H37N2NaO6S2
Synonyms: Acid Green 3
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CHEMICAL AND PHYSICAL PROPERTIES

Physical Description C.i. acid green 3 appears as a dull dark green powder. Used as a dye for silk or wool and biological stains.
Color/Form A dull, dark green powder or bright crystalline solid
Melting Point 255 °C (decomposes)
Solubility In 2-methoxyethanol 20 mg/mL; in ethanol 9 mg/mL
Decomposition When heated to decomposition it emits very toxic fumes of /sulfur and nitrogen oxides as well as sodium monoxide/.
Other Experimental Properties Soluble in water to a green solution which becomes brownish-yellow on addition of hydrochloric acid and blackish-green with sodium hydroxide. An excess of sodium hydroxide decolorizes the solution.
Chemical Classes Dyes -> Di- and Triaryl Dyes

COMPUTED DESCRIPTORS

Molecular Weight 690.8 g/mol
Hydrogen Bond Donor Count 0
Hydrogen Bond Acceptor Count 7
Rotatable Bond Count 9
Exact Mass 690.18342347 g/mol
Monoisotopic Mass 690.18342347 g/mol
Topological Polar Surface Area 137 Ų
Heavy Atom Count 48
Formal Charge 0
Complexity 1250
Isotope Atom Count 0
Defined Atom Stereocenter Count 0
Undefined Atom Stereocenter Count 0
Defined Bond Stereocenter Count 0
Undefined Bond Stereocenter Count 0
Covalently-Bonded Unit Count 2
Compound Is Canonicalized Yes

PRODUCT INTRODUCTION

description

C.i. acid green 3 appears as a dull dark green powder. Used as a dye for silk or wool and biological stains.