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ACID GREEN 3

Basic Information

  • CAS No.: 4680-78-8
  • Purity: 99%
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Details

Reliable factory customized supply ACID GREEN 3 4680-78-8

  • Molecular Formula: C37H36 N2 O6 S2 . Na
  • Molecular Weight: 691.86
  • Melting Point: 255oC (dec.)(lit.) 
  • PSA： 137.41000 
  • LogP: 8.28440 

ACID GREEN 3(Cas 4680-78-8) Usage

Preparation

Benzaldehyde (1 Moore) and 3-(Ethyl(phenyl)amino)methyl)benzenesulfonic acid (2 Moore) condensation, will product oxidation, and then translate into sodium salt.

Air & Water Reactions

Very soluble in water. Forms a green solution, which becomes brownish-yellow by addition of HCl, and blackish-green with NaOH.

Reactivity Profile

ACID GREEN 3 neutralizes acids in exothermic reactions to form salts plus water. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. May generate hydrogen, a flammable gas, in combination with strong reducing agents such as hydrides.

Standard

Light Fastness

Fading

Stain

ISO

2

AATCC

2

Definition

ChEBI: An organic sodium salt having 3-[(ethyl{4-[(4-{ethyl[(3-sulfonatophenyl)methyl]amino}phenyl)(phenyl)methylidene]cyclohexa-2,5-dien-1-ylidene}azaniumyl)methyl]benzene-1-sulfonate. Used as a substitute for Light green SF yellowish in Masson's trichrome, alth ugh it is prone to fade. Previously used as a food dye but is now no longer approved.

General Description

A dull dark green powder. Used as a dye for silk or wool and biological stains.

Properties and Applications

bright green. Soluble in water for the green, soluble in ethanol for blue light green. The strong sulfuric acid for lemon yellow, diluted to green. The dye solution is to join sodium hydroxide to colorless. Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater Fading Stain Fading Stain Fading Stain ISO 2 1 3 3 1 3 AATCC 2 1 1 3 1 5

InChI:InChI=1/C37H36N2O6S2/c1-3-38(26-28-10-8-14-35(24-28)46(40,41)42)33-20-16-31(17-21-33)37(30-12-6-5-7-13-30)32-18-22-34(23-19-32)39(4-2)27-29-11-9-15-36(25-29)47(43,44)45/h5-25H,3-4,26-27H2,1-2H3,(H-,40,41,42,43,44,45)/p-1

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