Professional China Direct Yellow D-Rl - DIRECT BLEND BLACK D-HR AT GOOD PRICE –

Product Name

Direct Black D-HR

C.I.No.

Direct Black 173

CAS No.

79057-88-8

EINECS

-

Molecular formula:

C44H33N11O13S3.3Na

Molecular weight

1085.93921

Synonyms

O-2-HYDROXYPHENYL)AZO]-1-HYDROXY-3-SULFO-2-NAPHTHALENYL]AZO]PHENYL]AMINO]-3-SUL;

FOPHENYL]AZO]-4-HYDROXY-TRISODIUMSALT;

2-NAPHTHALENESULFONICACID,6-[(4-AMINO-2-HYDROXYPHENYL)AZO]-3-[[4-[[4-[[7-[(4-AMINO-2-HYDROXYPHENYL)AZO]-1-HYDROXY-3-SULFO-2-NAPHTHALENYL]AZO]PHENYL]AMINO]-3-SULFOPHENYL]AZO]-4-HYDROXY-,TRISODIUMSALT;

Chemical Property

Application

It is suitable for the dispersion of polyester viscose medium and long fibers and direct acid high temperature dyeing in one bath. It is especially suitable for one bath one-step dyeing. It is the main dye of black spectrum and can be used for color matching with dyes such as direct yellow D-3rnl and direct ruby D-bl.

Fastness

Depth %

4.5

Light

4

1/1 Dyeing depth

40°C washing

CH

4

CO

4-5

V

4-5

Perspiration

CH

4

CO

4-5

V

4-5

Rubbing

D

4-5

W

3