Mordant Red 28

Product Name
Mordant Red 28
CAS No.
6374-00-1
Chemical Name
Mordant Red 28
Synonyms
Mordant Red 28;C.I.Mordant Red 28:C.I.11170;Benzenesulfonamide, N-[5-amino-2-[2-(2-hydroxy-3,5-dinitrophenyl)diazenyl]-4-methylphenyl]-4-methyl-
CBNumber
CB89703500
Molecular Formula
C20H18N6O7S
Formula Weight
486.46
MOL File
6374-00-1.mol
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Mordant Red 28 Property

Boiling point:
708.0±70.0 °C(Predicted)
Density 
1.58±0.1 g/cm3(Predicted)
pka
2.59±0.38(Predicted)
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Hazard and Precautionary Statements (GHS)

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Mordant Red 28 Chemical Properties,Usage,Production

Preparation

2-Amino-4,6-dinitrophenol diazotization, and 3′-Amino-4,4′-dimethylbenzenesulfonanilide?coupling.

Properties and Applications

bordeaux. Moderate soluble in water (for dark yellow red) and ethanol (for red brown). In concentrated sulfuric acid to red light purple, dilution after brown precipitation; In concentrated nitric acid for yellow brown solution; In a dilute hot sodium hydroxide solution for red brown solution. Dye aqueous solution to join concentrated hydrochloric acid have orange precipitation; Add sodium hydroxide as purple solution, and accompanied by precipitation.

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

Mordant Red 28 Preparation Products And Raw materials

Raw materials

Preparation Products

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