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] structure

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

Molecular Weight:: 464.42

MDL Number:

MOL File:: 2947-64-0.mol

Request For Quotation

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

Boiling point	744.5±60.0 °C(Predicted)
Density	1.515±0.06 g/cm3(Predicted)
pka	2.26±0.20(Predicted)

5,5'-[(3-Carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)methylene]bis[2-hydroxy-3-methylbenzoic acid] Chemical Properties,Uses,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
Standard	Ironing Fastness	Light Fastness	Alkali	Acid	Persperation Fastness	Soaping	Water
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

5-formyl-3-methylsalicylic acid Formaldehyde 3-Methylsalicylic acid

Preparation Products

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:

Benzoic acid, 5-[(3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)[4-[(4-methylphenyl)amino]phenyl]methyl]-2-hydroxy-3-methyl-, sulfite (salt) Mordant Violet 12 N-[4-[(3-Carboxy-4-hydroxy-6-sulfonato-1-naphthalenyl)[4-(dimethylamino)phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-methylmethanaminium 5-[(3-Carboxy-4-hydroxyphenyl)(3-carboxy-4-oxo-2,5-cyclohexadien-1-ylidene)methyl]-2-hydroxy-3-methylbenzoic acid Mordant Violet 23

Mordant Violet 2 GALLEIN 5-[(3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)[4-[(4-tolyl)amino]phenyl]methyl]-3-methylsalicylic acid 5,5'-[4-(dimethylamino)benzylidene]bis(3-methylsalicylic) acid

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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