Solvent Dyes - Solvent Soluble Dyes and Organic Solvent Dyes

Solvent Dyes

Solvent dye is a dye which is soluble in an organic solvent and is mostly introduced in the form of a solution in an organic solvent.

As a general principle, solvent dyes do not ionise. Many are azo dyes which have undergone some molecular rearrangement and lost the ability to ionise. In the process they gained the ability to dissolve in non-polar materials such as triglycerides. They are commonly used to color organic solvents, hydrocarbon fuels, waxes, lubricants, plastics and other hydrocarbon-based nonpolar materials.

Solvent Black 27
Form	Powder
Color	Dark Black
Odour	Odourless
M.P. at 760 mm Hg.	Does not melt upto - 300ºC
Flash Point	N. A.
pH (1.0% solution)	6.5 – 7.0
Bulk Density	Loose	0.16
	Settled	0.18
Viscosity	N. A.
Solubility in water
At 20ºC	Insoluble

Solvent Black 29
Form	Powder
Color	Dark Black
Odour	Odourless
M.P. at 760 mm Hg.	Does not melt upto - 300ºC
Flash Point	N. A.
pH (1.0% solution)	6.5 – 7.0
Bulk Density	Loose	0.30
	Settled	0.40
Viscosity	N. A.
Solubility in water
At 20ºC	Insoluble

Solvent Black 34
Form	Powder
Color	Dark Black
Odour	Odourless
M.P. at 760 mm Hg.	Does not melt upto - 280ºC
Flash Point	N. A.
pH (1.0% solution)	4.5 – 4.8
Bulk Density	Loose	0.22
	Settled	0.25
Viscosity	N. A.
Solubility in water
At 20ºC	Insoluble

Solvent Blue 48
Form	Powder
Color	Dark Black
Odour	Odourless
M.P. at 760 mm Hg.	280º - 300ºC
Flash Point	N. A.
pH (1.0% solution)	6.5
Bulk Density	Loose	0.18
	Settled	0.30
Viscosity	N. A.
Solubility in water
At 20ºC	Insoluble

Solvent Brown 2RM
Form	Powder
Color	Dark Black
Odour	Odourless
M.P. at 760 mm Hg.	Does not melt upto - 300ºC
Flash Point	N. A.
pH (1.0% solution)	4.5 – 5.0
Bulk Density	Loose	0.25
	Settled	0.28
Viscosity	N. A.
Solubility in water
At 20ºC	Insoluble

Solvent Brown 43
Form	Powder
Color	Dark Black
Odour	Odourless
M.P. at 760 mm Hg.	Does not melt upto - 300ºC
Flash Point	N. A.
pH (1.0% solution)	4.0 – 4.5
Bulk Density	Loose	0.20
	Settled	0.23
Viscosity	N. A.
Solubility in water
At 20ºC	Insoluble

Solvent Dark Brown 5R
Form	Powder
Color	Dark Black
Odour	Odourless
M.P. at 760 mm Hg.	Does not melt upto - 280ºC
Flash Point	N. A.
pH (1.0% solution)	4.5 – 4.8
Bulk Density	Loose	0.35 to 0.4
	Settled	0.40 TO 0.42
Viscosity	N. A.
Solubility in water
At 20ºC	Insoluble

Solvent Orange 58
Form	Powder
Color	Dark Black
Odour	Odourless
M.P. at 760 mm Hg.	190ºC - 194ºC
Flash Point	N. A.
pH (1.0% solution)	3.0
Bulk Density	Loose	0.45
	Settled	0.50
Viscosity	N. A.
Solubility in water
At 20ºC	Insoluble

Solvent Orange 99
Form	Powder
Color	Redish Yellow
Odour	Odourless
M.P. at 760 mm Hg.	Does not melt upto - 280ºC
Flash Point	N. A.
pH (1.0% solution)	4.5 – 4.8
Bulk Density	Loose	0.35
	Settled	0.48
Viscosity	N. A.
Solubility in water
At 20ºC	Insoluble

Solvent Red 119
Form	Powder
Color	Red
Odour	Odourless
M.P. at 760 mm Hg.	215ºC – 220ºC
Flash Point	N. A.
pH (1.0% solution)	0.20
Bulk Density	Loose	0.20
	Settled	0.23
Viscosity	N. A.
Solubility in water
At 20ºC	Insoluble

Solvent Red 127
Form	Powder
Color	Bright Red
Odour	Odourless
M.P. at 760 mm Hg.	Does not melt upto - 300ºC
Flash Point	N. A.
pH (1.0% solution)	6.5 – 7.0
Bulk Density	Loose	0.14
	Settled	0.18
Viscosity	N. A.
Solubility in water
At 20ºC	Insoluble

Solvent Yellow 82
Form	Powder
Color	Dull Yellow
Odour	Odourless
M.P. at 760 mm Hg.	Does not melt upto - 300ºC
Flash Point	N. A.
pH (1.0% solution)	4.5 – 5.5
Bulk Density	Loose	0.30
	Settled	0.40
Viscosity	N. A.
Solubility in water
At 20ºC	Insoluble

Solvent Yellow 82:1
Form	Powder
Color	Dull Yellow
Odour	Odourless
M.P. at 760 mm Hg.	Does not melt upto - 300ºC
Flash Point	N. A.
pH (1.0% solution)	4.5 – 5.5
Bulk Density	Loose	0.30
	Settled	0.40
Viscosity	N. A.
Solubility in water
At 20ºC	Insoluble

Solvent Yellow 90
Form	Powder
Color	Dull Yellow
Odour	Odourless
M.P. at 760 mm Hg.	Does not melt upto - 300ºC
Flash Point	N. A.
pH (1.0% solution)	5.0
Bulk Density	Loose	0.32
	Settled	0.42
Viscosity	N. A.
Solubility in water
At 20ºC	Insoluble


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