• head_banner_01

FACTORY SALE DIRECT BLEND BLUE D-R

Short Description:


Product Detail

Product Tags

Product Name

Direct Blue D-R

C.I.No.

Direct Blue 297

CAS No.

72586-15-3

EINECS

-

Molecular formula:

C54H38N10O25S7

Molecular weight

1451.39

Synonyms

Direct Blending Navy Blue D-R;Direct Navy Blue R.;DIRECT DYESTFFD-R;2,7-Naphthalenedisulfonicacid,5-amino-3-[2-[7-[2-[4-[2-[4-[2-[7-[2-(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazeChemicalbooknyl]-1-hydroxy-3-sulfo-2-naphthalenyl]diazenyl]-2-sulfophenyl]ethenyl]-3-sulfophenyl]diazenyl]-8-hydroxy-6-sulfo-2-naphthalenyl]diazenyl]-4-hydroxy-

Chemical Property

Blue black even powder, soluble in water.

Application

It is used in the one-step bath dyeing process of polyester / viscose and polyester / cotton blended fabrics. It can also be used in the dyeing and printing of cotton, viscose, wool and other fibers. It is also used in the direct blending black d-rsn.It has high directness to cellulose fiber and high dye uptake, that is, using a small amount of inorganic salt also has high dye uptake. The dye solution has good stability and does not agglomerate in 130 dyeing bath. The pH value of the dyeing bath can adapt to a wide range, and it also has a good dye uptake of cellulose fiber under acidic conditions.

Fastness

Depth %

2.5

Light

3

1/1 Dyeing depth

40°C washing

CH

3-4

CO

4

V

3-4

Perspiration

CH

3-4

CO

4

V

4

Rubbing

D

4

W

2-3


  • Previous:
  • Next:

  • Write your message here and send it to us