Name:C.I.Acid Red 73,C.I.27290 Molecular Structure: Double azo class C.I.Acid Red 73,C.I.27290,CAS 5413-75-2,556.48,C22H14N4Na2O7S2,Acid Scarlet 105,Acid Scarlet GR,Acid Scarlet MOO,Acid Red MOO,Red MOO Molecular Formula:C22H14N4Na2O7S2 Molecular Weight: 556.48 CAS Registry Number:5413-75-2 1.Properties and Applications: yellow light red. Yellow light red powder. Soluble in water red solution, soluble in ethanol and soluble fiber element, soluble in acetone, insoluble in other organic solvents. Meet strong sulfuric acid is red purple, diluted red brown in precipitation; Nitric acid in a blue, orange and brown to olive. Its water solution and strong hydrochloric acid generation dark red brown precipitation; Add sodium hydroxide solution generation dark brown precipitation. In dyeing copper and iron ions are darker color. Discharge the gender is good. Mainly used for wool, silk, paper and leather dyeing. Can also be used for plastic, wood, spices, electrical-controlled aluminum, medicine color. Can make the ink, the heavy metal salt can be used as pigment. Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater Fading Stain Fading Stain Fading Stain ISO 6 3 5 3 1 4 3 2 AATCC 5 4 4 1 2 2 2-3 2-3 2.International Similar Brand Acid Scarlet 105 Acid Scarlet GR Acid Scarlet MOO Acid Red MOO Red MOO AACL Croceine MOO ABCOL Croceine Scarlet MOO Acid Brilliant Croceine MOO Acid Brilliant Scarlet GR Acid Brilliant Scarlet GR 4037 5Acid Crocein MOO Acid Crocein Scarlet

CAS NO:5413-75-2

EC NO:226-502-1

Molecular Formula:C₂₂H₁₄N₄Na₂O₇S₂

Molecular Weight:556.4787

Synonyms:;Acid Red GR;C.I. 27290;C.I. Acid Red 73;C.I. Acid Red 73, disodium salt;C.I. Acid Red 73, disodium salt;Acid red 73;Crocein Scarlet MOO;brilliant crocein moo (C.I. 27290);sodium 6-hydroxy-5-(4-phenylazophenylazo)naphthalene-2,4-disulphonate;brillant crocein MOO;Brilliant Crocein MOO;Acid Red 73;7-oxo-8-({4-[(E)-phenyldiazenyl]phenyl}hydrazono)-7,8-dihydronaphthalene-1,3-disulfonate;disodium 7-hydroxy-8-[(E)-{4-[(E)-phenyldiazenyl]phenyl}diazenyl]naphthalene-1,3-disulfonate;disodium (8Z)-7-oxo-8-(2-{4-[(E)-phenyldiazenyl]phenyl}hydrazinylidene)-7,8-dihydronaphthalene-1,3-disulfonate;

Molecular Structure: