Basic Blue 7 / Basic Dyes

• CAS No.: 2390-60-5
• Formula: C33h40cln3
• EINECS: 219-232-0
• Colour: Blue
• Appearance: Powder
• Usage: Paper, Paint, Textile, Leather
• Model NO.: Basic Blue 7
• Application Material: Wool
• Name: Basic Blue 7
• Content: 100%
• C.I.No.: Basic Blue 7
• C.I.No: 42595
• Transport Package: Drums or Carton
• Specification: 25kgs
• Trademark: AFINE
• Origin: China
• HS Code: 3204130000
• Production Capacity: 10000kgs/Month

Product Description

TECHNICAL DATA SHEET
Product Name: Basic Blue BO
Color Index No.: C.I Basic Blue 7
Chemical Type: Triaryl methane
Formula: C₃₃H₄₀CIN₃
Molecular Weight: 514.1521
CAS#:2390-60-5
Molecular Structure:



Character: Flashing brown powder. Slightly solves in water and appears blue when solves in hot water. Easily solves in ethanol and appears blue. Appears yellow with brown tone in concentrated sulfuric acid and appears yellow with red tone after attenuated. Appears olive green in concentrated nitric acid. Appears reddish brown when add sodium hydroxide into aqueous solution. On dyeing cotton appears brown yellow when drop 10% sulfuric acid; appears reddish yellow when drop 10% sodium hydroxide; appears reddish yellow when drop acid tin dichloride solution.
Use: Mainly be used in dyeing silk, wool, mordant dyed cotton by tannin; also be used in making ball pen ink, carbon paper, wax paper, dyeing bamboo and wood; and be used in making lake pigment and solvent dyes.

Specifications:

Item	Index
Appearance	Shining brown powder
Strength (%)	100±2
Shade	Similar to standard
Moisture (%)	5.0max
Insoluble in organic solvent (%)	0.5max

Fastness:

Testing method		AATCC	ISO
Fibre		Nitrilon	Silk
Light	Light source	Sunlight	Sunlight
	Medium	1	1
Perspiration	Acid / Alkali		Alkali
	Fading	5	5
	Staining	2	3~4
Fold (Steaming)	Condition
	Fading
	Staining
Iron (Dry)	Condition
	Fading		5
	2 ~ 4h later		Testing method
	Staining
Soap washing	Condition	1	ISO
	Fading	1	3~4
	Staining	3	5

 

BASIC DYES
 

 

Product Name	C. I. Number
Auramine O	Basic Yellow 2
Chrysoidine	Basic Orange 2
Rhadamine 6GDN	Basic Red 1
Methyl Violet 2B	Basic Violet 1
Rhodamine B Extra	Basic Violet 10
Magenta	Basic Violet 14
Victoria Pure Blue BO	Basic Blue 7
Methylene Blue 2B	Basic Blue 9
Malachite Green	Basic Green 4
Bismark Brown G	Basic Brown 1
Bismark Brown R	Basic Brown 4