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Dyestuff & Pigment

Direct Black 17
Name:

Direct Black 17

No.: DP-056



GENERAL INFORMATION

• HS CODE

3204140000

• CAS NO

2945-96-2

• GRADE

Technical Grade

• FORMULA

C24H21N6NaO5S

• MOLECULAR WEIGHT

528.52

 

PROPERTIES

• Appearance

Black powder

• Solubility(80℃)

20g / L 

• Stability

Stable under normal temperature

 

SPECIFICATIONS

• Tue

Similar to the standard

• Intensity

To standard 100 ± 3

• Moisture

≤6%

• Water insoluble substances

≤1%

• Fineness (through 80 mesh sieve residue content)

≤5%

 

APPLICATION

• With cotton or rayon for the gray-red to green black, high dying rate, but poor migration, sensitive to salt, slowly warm up and add salt in batches. Normally by the fixing agent Y or M, to raise fastness. Generally not used for direct printing, but discharge good performance. Can also be used in silk, vinylon, chinlon and fabric dyeing

 

PACKING

• 40kg/drum

 

STORAGE AND TRANSPORTATION

• Store in dry and ventilated place, avoid direct sunshine, moisture and heat. Handle carefully during transportation.

 

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