Gold Member Since 2013
Audited Supplier
Hangzhou Emperor Chemical Co., Ltd.

Direct Yellow 12, Direct Yellow Dyes, Direct Yellow G manufacturer / supplier in China, offering Direct Yellow 12 Direct Yellow Dyes, Acid Brown Dye for Leather, Acid Black 210 Acid Black Dye and so on.

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Supplier Homepage Product DIRECT DYE Direct Yellow 12 Direct Yellow Dyes

Direct Yellow 12 Direct Yellow Dyes

FOB Price: US $3-5 / kg
Min. Order: 100 kg
Min. Order FOB Price
100 kg US $3-5/ kg
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Production Capacity: 8000000mt/Year
Transport Package: 25kg/Bag, Drum, Carton
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: direct yellow 12
  • Appearance: Powder
  • Application Material: Paper
  • Content: 100%
  • Trademark: EMPEROR
  • Origin: China
  • Colour: Yellow
  • Usage: Paper, Leather, Textile
  • Name: Direct Yellow 12
  • C.I.No.: 24895
  • Specification: 25kg
  • HS Code: 32041400
Product Description
Product Name: Direct Yellow 12
C.I. No.: 24895
CAS No.: 2870-32-8
Molecular Formula: C30H26N4Na2O8S2
Molecular Weight: 680.66
Relative Name:
Direct Yellow G; Direct Yellow GX, Direct Yellow 4R;Chrysophenine G;Chrysophenin G;Pyrazol Yellow;Chrysophenin NS;Benzol Yellow LG.
Shade: red light yellow. Deep yellow evenly powder.
Direct Yellow 12 Physical Properties and light fastness, solubility.
Direct Yellow 12
Dyeing depth %2
Insolubles %0.15
Light Fastness2
Washing Fatness2-3
Rubbing fastness(dry)4
Rubbing fastness(wet)3
Direct yellow 12 Properties and Applications:
Soluble in water solution for yellow until golden brown, temperature drop the floe dyes have separation, the solubility in water for 30 g/L (80 ºC), and adequate soluble in ethanol (for lemon yellow) and soluble fiber element, slightly soluble in acetone for green light yellow. The strong sulfuric acid to red light purple, diluted to red light blue for purple, precipitation. The dye solution to join strong hydrochloric acid for deep red sauce, precipitation; Add thick sodium hydroxide solution for gold orange, precipitation; Add in 1 0% sodium hydroxide solution a slight change color. 2% of the dye below 15 ºC in aqueous solution which is glue frozen form, the name frozen yellow. Cellulose fiber of dyeing, the dye absorption rate as well, in 40 ºC maximum when affinity, discharge performance is very good.
Used for dyeing cotton and viscose, to dead cotton has certain covering power, can also be used for cotton or viscose fabric printing, also can be used for silk, wool, PVA, polyamide fiber and its blended fabric dyeing. Can also be used for leather, paper, biological shading, its heavy metal salt can be used for pigment.
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