Solvent Red

Type of Dye

Solvent  Dyes

Physical Appearance

Red Powder

Heat  Resistance 

280- 300C

Hue

Red

Solubility  in 

Acetone

1.6 g/l

Butyl Acetate

1.5 g/l

Dichlromethane

1.0 g/l

Ethyl Alcohal

8.0g/l

pH of 1% soln

6.0- 8.0

Dye Content ( spectro)

98 - 102

Moisture Content

5% max

Fastness 

Light

7-8

Alkali

5

Acid

5

Type of Dye

Solvent  Dyes

Chemical Class

Metal Complex

Physical Appearance

Red Powder

Hue

Red

Solubility  in 

Alcohol

400 g/l

1 methoxy 2 propanol

300 g/l

Methyl EthylKetone

500 g/l

N propanol

80 g/l

pH of 1% soln

6.0- 8.0

Dye Content ( spectro)

98 - 102

Moisture Content

2% max

Fastness 

Light

6-7

Alkali

4-5

Acid

4-5

Appearance

Red Powder

Heat Resistance 

300°C

Light Fastness

6 - 7

Acid Resistance 

4

Alkali Resistance

5

Density

1.31g/cm3

Residue on 80mesh

5.0% max

Water Soluble 

1.0% max

Volatile Matter at 105°C

1.0% max

Tinting Strength 

95% - 105%

Type of Dye

Solvent  Dyes

Physical Appearance

Red Powder

Heat  Resistance 

300C

Hue

Red

Solubility  in 

Acetone

0.2 g/l

Butyl Acetate

0.2g/l

Dichlromethane

0.3 g/l

Ethyl Alcohal

0.1 g/l

pH of 1% soln

6.0- 8.0

Dye Content ( spectro)

98 - 102

Moisture Content

5% max

Fastness 

Light

7-8

Alkali

5

Acid

5

Type of Dye

Solvent  Dyes

Chemical Class

Metal Complex

Physical Appearance

Red Powder

Hue

Bright Bluish  Red

Solubility  in 

Alcohal

100 g/l

1 methoxy 2 propenol

200 g/l

Methyl EthylKetone

400 g/l

N propenol

50 g/l

pH of 1% soln

6.0- 8.0

Dye Content ( spectro)

98 - 102

Moisture Content

2% max

Fastness 

Light

7

Alkali

4-5

Acid

4-5

Type of Dye

Solvent  Dyes

Chemical Class

1:2 Metal Complex 

Physical Appearance

Red Powder

Hue

Bluish Red

Solubility  in 

Butyl Cellosolve

200 g/l

Acetone

100g/l

Methyl Ethyl Ketone

100 g/l

Diacetone Alcohol

300g/l

pH of 1% soln

6- 8

Dye Content( Spectro)

98 – 103%

Moisture Content

<5.%

Fastness ( Lacquer) 

Light

4-5

Alkali

4

Acid

4

Appearance

Red Powder

Heat Resistance 

300°C

Light Fastness

7

Acid Resistance 

5

Alkali Resistance

5

Density

0.36g/cm3

Residue on 80mesh

5.0% max

Water Soluble 

1.0% max

Volatile Matter at 105°C

1.0% max

Tinting Strength 

95% - 105%

Type of Dye

Solvent  Dyes

Chemical Class

1:2 Metal Complex 

Physical Appearance

Red Powder

Hue

Bluish Red

Solubility  in 

Butyl Cellosolve

300 g/l

Acetone

250

Methyl Ethyl Ketone

200

Diacetone Alcohol

300

pH of 1% soln

7- 8

Dye Content

98% 

Moisture Content

2.%

Fastness ( Lacquer) 

Light

7-8

Alkali

4-5

Acid

4-5

Type of Dye

Solvent  Dyes

Chemical Class

Xanthene

Physical Appearance

Bluish Red Powder

Hue

Bright Bluish Pink

Solubility  in 

Alcohal

100 g/l

1 methoxy 2 propenol

200 g/l

Methyl EthylKetone

500 g/l

N propenol

100 g/l

pH of 1% soln

6.0- 8.0

Dye Content ( spectro)

98 - 102

Moisture Content

2% max

Fastness 

Light

3-4

Alkali

3

Acid

3

Type of Dye

Solvent Dyes

Description

Dark Red Powder 

Hue

Bright Red

Heat Resistance

200 C

Light Fastness

5

Acid Resistance

4

Alkali Resistance

4

Water Soluble %

1.0 max

Volatile matter @105 C

1.0 max

Tinting Strength

95-105

Type of Dye

Solvent Dyes

Description

Dark Red Powder

Hue

Bright Red

Heat Resistance

250 C

Light Fastness

5

Acid Resistance

4

Alkali Resistance

4

Water Soluble %

1.0 max

Volatile matter @105 C

1.0 max

Tinting Strength

95-105

Type of Dye

Solvent Dyes

Description

Dark Red Powder

Hue

Bluish Red

Heat Resistance

240C

Light Fastness

5

Acid Resistance

4

Alkali Resistance

4

Water Soluble %

1.0 max

Volatile matter @105 C

1.0 max

Tinting Strength

95-105

Type of Dye

Solvent  Dyes

Chemical Class

1:2 Metal Complex 

Physical Appearance

Red Powder

Hue

Bright Red

Solubility  in 

Butyl Cellosolve

350 g/l

Acetone

400

Methyl Ethyl Ketone

200

Diacetone Alcohol

400

pH of 1% soln

6- 8

Dye Content

98 – 103%

Moisture Content

< 5%

Fastness ( Lacquer) 

Light

7-8

Alkali

4-5

Acid

4-5

Type of Dye

Solvent Dyes

Physical Appearance

Dark Red Powder

Heat Resistance 

300 C

Hue

Fluorescent Red

Water Soluble

1% max

pH

6.0- 8.0

Dye Content (Spectro)

98 - 102

Moisture Content

5% max

Fastness 

Light

7-8

Alkali

5

Acid

5

Appearance

Red Powder

Heat Resistance 

300°C

Light Fastness

7 - 8

Acid Resistance 

5

Alkali Resistance

5

Density

1.40g/cm3

Residue on 80mesh

5.0% max

Water Soluble 

1.0% max

Volatile Matter at 105°C

1.0% max

Tinting Strength 

95% - 105%

Type of Dye

Solvent  Dyes

Chemical Class

1:2 metal Complex

Physical Appearance

Dark Red Powder

Hue

Bright Red

Solubility  in 

Butyl Cellosolve

250 g/l

Acetone

200 g/l

Methyl EthylKetone

350 g/l

Diacetone Alcohol

150 g/l

pH of 1% soln

6.5 – 8.5

Dye Content ( Spectrophotometer)

>98%

Moisture Content

1 -3%

Fastness ( Lacquer) 

Light

7-8

Alkali

4-5

Acid

4-5

Appearance 

Red Powder

Dyeing Strength

98% -102%

PH Value 

6.0 - 8.0

Moisture 

2.0% max

Solubility (MEK, 20°C)

200 g/l min

Insolubles (MEK 100g/l, 20°C)

1.0% max

Color Difference 

1

Type of Dye

Solvent  Dyes

Chemical Class

Monoazo

Physical Appearance

Red Powder

Hue

Red

Solubility  in 

(at 20???)

Butyl Acetate 

3

Acetone

3

Methyl Benzene 

6

Ethyl Alcohol

0.5

pH of 1% soln

–

Dye Content

98% 

Moisture Content

–

Fastness 

Light

5

Alkali

4

Acid

4

Type of Dye

Solvent  Dyes

Chemical Class

Monoazo Cr Complex

Physical Appearance

Red Powder

Hue

Yellowish Red

Solubility  in 

(g/l)

Ethyl Acetate 

10

Toulene

30

N-Propanol

50

Alcohol

100

pH of 1% soln

6.0% - 8.0%

Dye Content

98% 

Moisture Content

2.0% max

Fastness 

Light

6-7

Alkali

–

Acid

–

Characteristics

Method

Unit

Typical

Color

Visual

Dark Red

Odour

Aromatic

Absorbance of 20ppm

UV - VIS

0.604%±0.05

Wavelength max

UV - VIS

nm

527± 2

Viscosity @ 25C

By Zahn

cst

<200

Sp Gravity @ 20C

IP 160

Gm/ml

0.98-1.02

Insoluble

Filtration

%

<0.20%

Moisture Content

Karl Fischer

%

<0.20%

Flash Point

IP34

>62C

Salt Content

ppm

< 50

Type of Dye

Solvent  Dyes

Chemical Class

Monoazo

Colour Index Number

Solvent Red 161

Physical Appearance

Red Powder

Hue

Red 

Solubility

Soluble in water

Dye Content

>98%

Light Fastness

Good

Washing Fastness

–

Test Description

Specifications

Physical Appearance

Dark Red Clear Liquid

Specific Gravity @ 15 degree Celsius

0.95-1.1 gm/ml

Relative Density @ 15 Degree Celsius

1 kg/l

Viscosity @ 25 Degree Celsius

< 200 cps

Viscosity @ 50 Degree Celsius

< 200 cps

Color strength

100 ± 5%

Dyestuff strength at 20mg/l concentration In 1 cm cell at 514 nm wavelength

0.570 AU ± 5%

Maximum Wavelength

514 nm ± 1%

Insoluble matters in toluene

0.5% Max

Moisture content

0.5% Max

Flash Point (If in high flash solvent) Flash Point (If in low flash solvent)

>61 degree Celsius

> 24 degree Celsius

Pour Point

<-25 degree Celsius

Solvent Chemistry (If in low flash solvent) Solvent Chemistry (If in high flash solvent)

Xylene

C/10 Heavy Naphtha

Type of Dye

Solvent  Dyes

Chemical Class

Anthraquinone

Physical Appearance

Red Powder

Hue

Bluish Red

Solubility  in 

(g/l)

Water 

1.0% max

Toulene

–

N-Propanol

–

Alcohol

–

pH of 1% soln

–

Dye Content

98% 

Moisture Content

–

Fastness 

Light

7

Alkali

5

Acid

4

Appearance

Red Powder

Colour Index Number

505720

Heat Resistance 

300°C

Light Fastness

7 - 8

Acid Resistance 

5

Alkali Resistance

5

Density

1.25g/cm3

Residue on 80 mesh

5.0% max

Water Soluble 

1.0% max

Volatile Matter at 105°C

1.0% max

Tinting Strength 

95% - 105%

Appearance

Red Powder

Heat Resistance 

300°C

Light Fastness

7

Acid Resistance 

5

Alkali Resistance

5

Density

1.25g/cm3

Residue on 80mesh

5.0% max

Water Soluble 

1.0% max

Volatile Matter at 105°C

1.0% max

Tinting Strength 

95% - 105%