Basic Blue 7 CAS 2390-60-5 Victoria Pure Blue Bo C. I. 42595 C. 1. Basicblue7 (42595)

• CAS No.: 2390-60-5
• Formula: C33h40cln3
• EINECS: 219-232-0
• Colour: Brown
• Appearance: Powder
• Usage: Paper, Paint, Plastic, Textile, Ink, Leather
• Model NO.: SUREST-615
• Application Material: Basic Blue 7
• Name: Basic Blue 7
• Content: 100%
• C.I.No.: Basic Blue 7
• Shelf Life: 2 Years
• Stock: Available
• Molecular Weight: 514.15
• Color: Brown
• Density: N/a
• Water Solubility: Slight Soluble Cold Water
• Transport Package: 25kg/Drum
• Specification: 98%min
• Trademark: Surest
• Origin: China
• HS Code: 3204130000
• Production Capacity: 1000 Tons Yearly

Product Description

Product Description

 

Name	Basic Blue 7
Synonyms	[4-[4-(Diethylamino)-alpha-[4-(ethylamino)-1-naphthyl]benzylidene]cyclohexa-2,5-dien-1-ylidene]diethylammonium chloride; Victoria Pure Blue BO
Molecular Structure
Molecular Formula	C33H40ClN3
Molecular Weight	514.15
CAS Registry Number	2390-60-5
EINECS	219-232-0

 

Chemical Property/Description:

 

Main Uses:

 

Glitter golden-brown powder (or paste). Slightly soluble in cold water, soluble in hot water, easily soluble in ethanol, are blue. In concentrated sulfuric acid brown light yellow, after dilution to red yellow. Olive green in concentrated nitric acid. The aqueous solution is reddish brown when sodium hydroxide is added.
 

Basic Blue 7 can be used to dye wool, silk and tannin-dyed cotton fibers, but the color fastness is poor. When dyeing silk, if the direct fast turquoise blue GB or direct lake blue 5B is dyed, and then the Basic Blue 7 is overcolored, the color obtained is gorgeous, which is not matched by other dyes. This product is mostly used for paper, bamboo, wood products coloring and manufacturing blue ink, color lake, biological and bacterial tissue coloring.

 

Basic Blue 7 is used in the manufacture of ballpoint pen oil, carbon paper and waxed paper. Can also be used for bamboo, wood coloring and manufacturing color lake. It can also be used for dyeing cotton, acrylic fiber and silk.

Basic Blue 7 is also used in the fields of pesticide synthesis, metal surface treatment and developer preparation.

 

 

Detailed Photos

 

 

FAQ

 

Question 1: Can I get samples?
Answer: Yes,you can get free samples of our most products,
while the courier cost will be borne by the buyers.

Question 2: What's your MOQ?
Answer: For a express delivery order,the MOQ is usually 100 g~1 kg;
for an air transport order or sea delivery order ,the MOQ is usually 25 kgs.

Question 3: What's your delivery time?
Answer:
Orders shipped by express delivery,the delivery time is usually 5~7 working days;
Orders shipped by air transport,usually around 7~10 working days;
Orders shipped by sea , usually around 2~3 working weeks.

Question 4: What are the different payment methods?
Answer: We usually accept T/T, L/C and Western Union.

Question 5: How do you treat quality complaint?
We take quality very seriously, it is one of the founding principles of our business.
 If the quality problem actually exists, we will replace with qualified goods or refund the money.