Good Price Reactive Black 5 Manufacturers for Dyeing Cotton Reactive Dyes

• CAS No.: 12225-25-1
• Formula: C26h21n5na4o19s6
• EINECS: 241-164-5
• Colour: Black
• Appearance: Powder
• Usage: Paint, Leather, Paper, Textile
• Model NO.: Reactive black 5
• Application Material: Wool
• Transport Package: Drum/Bags
• Specification: 25kg/Drum/Bags
• Trademark: EMPEROR
• Origin: China
• HS Code: 32041600
• Production Capacity: 5000mt/Month

Product Description

Product Name: Reactive black 5
C.I. No.: Reactive black 5
CAS No.: 12225-25-1
Molecular Formula: C22H16N2O11S3.2Na
Molecular Weight: 616.49  
Relative Name:

Reactive black 5 Dyeing Fastness(grade)
 

ITEM	STANDAED	RESULT
Appearance	Black crystal	Black
Moisture	6% max	4.50%
Ash Content	17% max	15.10%
Strength	100%	108%

Reactive black 5 Properties and Applications:
Black with flash in the granular, a violet is soluble in water, soluble in ethanol is blue. The strong sulfuric acid dyes is blue, it will be diluted and the generated purple precipitation. Blue light purple in aqueous solution, and sodium hydroxide show dark purple precipitation.  
Application:
Mainly used for leather dyeing.wool,
Mainly used for leather dyeing. Also applies to wood, paper, sop, electrical-controlled aluminum, wool and silk dyeing of content, but also can be used in the manufacture of ink.

Package, 25KG/DRUM, CARTON BOX, BAG