Direct Dye Blue 71 B2rl CAS 4399-55-7 for Textile Printing Paper Dyeing

• CAS No.: 4399-55-7
• Formula: C40h23n7na4o13s4
• EINECS: 224-531-4
• Grade Standard: Industrial Grade
• Quality: First Class
• C.I.No.: Basic Red 13
• Model NO.: CAS 4399-55-7
• Type: Solvent Dye
• Packing: 25kgs/Bag
• Model Number: Direct Blue B2rl
• Certificate: ISO
• Transport Package: PP Bag
• Specification: 100%
• Trademark: SWC
• Origin: China
• Production Capacity: 200mts/Month

Product Description

Product Name: Direct Blue 71
C.I. No.: 34140
CAS No.: 4399-55-7
Molecular Formula:C40H23N7Na4O13S4
Molecular Weight: 1029.87
Relatived Names:
Ambidirect Blue R; Bitafast Blue GLL; Blue 2-RL; Blue B2R 100%;Chrochem Direct Blue BRR; Direct Blue B2RL; Direct Blue FFC;Direct Blue GLL; Direct Fast Blue B2R; Direct Fast Blue B3RL;Direct Light Blue FRL
Shade: dark blue. Blue gray powder. Soluble in water for blue
Direct Blue 71 Physical Properties and light fastness, solubility.

Direct Blue 71
Density	1.31
Dyeing Depth %	2
Light Fastness	5-6
Washing Fatness	3-4
Rubbing Fastness(dry)	4
Rubbing Fastness(wet)	2-3

Direct Blue 71 application: Widely used in viscose fiber dyeing, also used in viscose/PVA blends, cotton, and the carpet of dyeing and printing. Also used in leather, paper, soap, cheese, protein and formaldehyde resin color.

 

FAQ

Q1: May I get one sample before placing order?
Re: Yes, Sample are available. For normal products, samples are for free and you just need to bear the freight; For those high value products, you just need to freight and certain product cost. When we both cooperate for some times or when you are our VIP customer, free sample will be offered when you need.

Q2: Which payment is available for your company?
Re: T/T, L/C. You can choose the one which is convenient for you.

Q3: How and when can I get my goods after payment?
Re: For small quantity products, they will be delivered to you by international courier(DHL, FedEx, TNT etc.) or by air. Usually it will cost 3-5days that you can get the goods after delivery.For large quantity products,
shipping by see is worthwhile.It will cost days to weeks to come to your destination port, which depends on where the port is.

Q4: Is there any possible to use my appointed label or package?
Re: Yes. If needed, we'd like to use label or package according to your requirement.

Q5: How can you guarantee the goods you offer is qualified?
Re: We always believe honesty and responsibility are basis of one company, so whatever products we provide for you all are qualified. We will have goods tested and provide COA before delivery for sure.