Pigment Violet 23 For Ink Grade 

1)Product name

Sunfast Violet 256

2)Color index name

PigmentViolet 23

3)Chemical type

Dioxazine

4)Molecular formula

C34H22Cl2N4O2

5)CAS No.

6358-30-1

6)EU No.

228-767-9

CarbazolViolet; Dioxazine Violet 23; Cartaren Violet BLN (CLAR); Aritint Violet23(ARI); Epsilon Violet LB-6T001 (SUM); Fastogen Super Violet RN-F (DIC); CromophtalViolet GT (CIBA); Aquadisperse (AVE-0580) (SNA); Duralith Violet B (TEP); SunfastViolet 256

1)PH Value

6-8

2)Specific gravity

1.50±0.1

3)Water soluble

1.0%max

4)Oil absorption

40±5%

5)Heat stability

250Degree C

6)Resistance to Water (1-5)

5

7)Resistance to Oil (1-5)

5

8)Resistance to Acid (1-5)

5

9)Resistanceto Alkali (1-5)

5

10)Light fastness (1-8)

7-8

11)Weather fastness (1-5)

5

12)Migration resistance

5

13)E

≤1.0

Highperformance Violet 23 with good properties, used widely for plastic, coating,ink, textile industries, which has special grade according.