Basic Blue 7

TRADE NAME:: Basic Brilliant Blue BO; Victoria Pure Blue BO; Basic Blue BOC; Basic Blue 4RF; Basic Blue BO

CAS NO: 2390-60-5

CI.NO: 42595

Molecular Formula: C33H40ClN3
Molecular Weight: 514.14
Shade: colourful red blue light. Flash brown cream content.

COLOR TEMPLATE

Basic Blue 7 Physical and Chemical properties

Light Fastness	1
Perspiration Fastness(fading)	5
Perspiration Fastness(stain)	3-4
Soaping(fading)	3-4
Soaping(stain)	5

Application Features

K value	f value	Solubility(g/L)			Other fiber stains(grade)					Dyeing pH value	Application classification
		—	—	—	Cotton	Viscose	Nylon	Polyester	Wool
—	—	—	—	—	—	—	—	—	—	—	Basic dye

Colour Fastness Test

Fiber	Item	Light fastness	Flooding	Soaping (40℃)	Perspiration	Rubbing		Ironing	Sulfuric acid resistant	Acetate resistant	Alkali resistant
						dry	wet
Silk	Sample change	1	4	4	4	—	—	4~5	1	4	4
	white silk stain	—	4~5	3	2~3	—	—	—	—	—	—
	white cotton stain	—	4~5	4~5	4	3~4	3~4	4	—	—	—

Basic Blue 7 Appearance is glittering golden brown powder or paste. It is slightly soluble in cold water, soluble in hot water, very soluble in alcohol, all in blue. The dye is brownish yellow in concentrated sulfuric acid, and turns red and yellow after dilution; It is olive green in concentrated nitric acid. The aqueous solution of dye is reddish brown after adding sodium hydroxide. On the dyed cotton, 10% sulfuric acid is turned into brownish yellow, and 10% sodium hydroxide is turned into red yellow. The acid stannous chloride solution turns red and yellow. It is bright blue on the silk and darker in the tungsten light.

Basic Blue 7 Application:

Used for silk, wool, cotton cloth tannins mordant dyeing of dyeing, also can be used in the manufacture of oil, carbon, ball pen wax paper, bamboo and wood light color. Also used in the manufacture of color pigments and solvent dye deposit.

Use condition:

1. Silk dyeing: carried out in an acetic acid bath. The dye is usually set after direct light fast blue GB or direct lake blue 5B dyeing.

Dyeing and brightening, the resulting color is gorgeous, and it is not suitable for other dyes. It can also be used in the printing and dyeing method of grafting agent to improve the dyeing fastness.

2. Acrylic dyeing: It can be used for acrylic dyeing, its light fastness is 2 grades, soaping fastness is 4 grades, perspiration fastness is 4 grades, ironing fastness 4~5 grade, dry rubbing fastness grade 3, wet rubbing fastness grade 3, dry cleaning fastness grade 4.

3. Wool dyeing: When used for wool dyeing, the light fastness is grade 1, and the soaping fastness is grade 2.

4. Cotton dyeing: It can be used for tannin mordant cotton fiber dyeing. The light fastness is grade 1, the soaping staining fastness is 4 grades, the water immersion staining fastness is 4~5 grades, the sweat staining fastness is grade 4, Ironing fastness 4~5 grade, dry rubbing fastness 3~4 grade, wet rubbing fastness 2~3 grade, sulfuric fastness 1 grade, acetic acid fastness grade 4, and pure alkali fastness 3 grade.

5. Other: It can be used for dyeing leather, paper, wood, bamboo, etc., and can be used for making carbon paper and ball pen oil.

Precaution

Basic Blue 7 is an acute toxic dye.

Packing:

20 or 25kg/compound bag, carton box, iron drum, fiber durm for powder dye and 1000kg/tank for liquid dye

Basic Blue 7 Material Safety Data Sheet (MSDS)

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