Product Information

1) Color index name

Pigment Red 21

2) Molecular formula

C23H16CIN3O2

3) CAS No.

6410-26-0

4) Relative trade name

3132 scarlet Red

2.

Physical Properties

1) PH Value

6.5-7.5

2) Specific gravity

1.50±0.1

3) Water soluble

1.0% max

4) Oil absorption

45±5%

5) Heat stability

150 Degree C

6) Resistance to Water (1-5)

4

7) Resistance to Oil (1-5)

3

8) Resistance to Acid (1-5)

5

9)Resistance to Alkali (1-5)

5

10) Light fastness (1-8)

6

11) Weather fastness (1-5)

4-5

12) Migration resistance

5

13) E

≤1.0

3.

Application

1) Plastics

--

2) Coating

Water paints, industrial paints

3) Inks

Waterbased ink

4) Textile paste

--

4.

Technical comments

Pigment Red 21 often used for paints and water born ink,and others.