ChemicalBook > CAS DataBase List > 5,5'-[(3-Carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)methylene]bis[2-hydroxy-3-methylbenzoic acid]

5,5'-[(3-Carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)methylene]bis[2-hydroxy-3-methylbenzoic acid]

Product Name
5,5'-[(3-Carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)methylene]bis[2-hydroxy-3-methylbenzoic acid]
CAS No.
2947-64-0
Chemical Name
5,5'-[(3-Carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)methylene]bis[2-hydroxy-3-methylbenzoic acid]
Synonyms
C.I.43865;Mordant Violet 16;C.I.Mordant Violet 16;C.I.Mordant Violet 16:C.I.43865;5,5'-[(3-Carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)methylene]bis[2-hydroxy-3-methylbenzoic acid];Benzoic acid, 3,3'-[(3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)methylene]bis[6-hydroxy-5-methyl-;5-[(3-carboxy-4-hydroxy-5-methylphenyl)-(3-carboxy-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]-2-hydroxy-3-methylbenzoic acid
CBNumber
CB22153074
Molecular Formula
C25H20O9
Formula Weight
464.42
MOL File
2947-64-0.mol
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5,5'-[(3-Carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)methylene]bis[2-hydroxy-3-methylbenzoic acid] Property

Boiling point:
744.5±60.0 °C(Predicted)
Density 
1.515±0.06 g/cm3(Predicted)
pka
2.26±0.20(Predicted)
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Hazard and Precautionary Statements (GHS)

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5,5'-[(3-Carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)methylene]bis[2-hydroxy-3-methylbenzoic acid] Chemical Properties,Usage,Production

Preparation

(a) 2-Hydroxy-3-methyl-5-formylbenzoic acid (1 Moore) and 2-Hydroxy-3-methylbenzoic acid (2 Moore) condensation, the product with Nitrosylsulfuric acid oxidation; (b) Formaldehyde (1 Moore) and 2-Hydroxy-3-methylbenzoic acid (2 Moore) condensation, its product in Nitrosylsulfuric acid with 2-Hydroxy-3-methylbenzoic acid common oxidation.

Properties and Applications

brilliant red light purple. Soluble in water for brilliant orange red, soluble in ethanol for magenta. In concentrated sulfuric acid to orange, dilution still for wheat color. Dye aqueous solution to join sodium hydroxide as brilliant magenta.

Standard Ironing Fastness Light Fastness Fulling Persperation Fastness Soaping Water
Alkali Acid
ISO 4 4 5 5 4
AATCC 4-5 4-5 2-3 4-5

5,5'-[(3-Carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)methylene]bis[2-hydroxy-3-methylbenzoic acid] Preparation Products And Raw materials

Raw materials

Preparation Products

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5,5'-[(3-Carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)methylene]bis[2-hydroxy-3-methylbenzoic acid] Suppliers

2947-64-0, 5,5'-[(3-Carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)methylene]bis[2-hydroxy-3-methylbenzoic acid]Related Search:


  • 5,5'-[(3-Carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)methylene]bis[2-hydroxy-3-methylbenzoic acid]
  • C.I.43865
  • C.I.Mordant Violet 16
  • 5-[(3-carboxy-4-hydroxy-5-methylphenyl)-(3-carboxy-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]-2-hydroxy-3-methylbenzoic acid
  • Mordant Violet 16
  • C.I.Mordant Violet 16:C.I.43865
  • Benzoic acid, 3,3'-[(3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)methylene]bis[6-hydroxy-5-methyl-
  • 2947-64-0