Customization: | Available |
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CAS No.: | 5850-35-1 |
Formula: | C22h14n6na2o9s2 |
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Hunan Yunbang Pharmaceutical Co., Ltd. (Yunbangpharm) located in Changsha High-tech Industrial Park, Hunan. It is a high-tech enterprise specializing in the research and development, production and sales of Pharmaceutical raw materials, Pharmaceutical intermediates(API) and Fine chemicals. Based in China, Yunbangpharm has been providing suitable solutions for many domestic,foreign pharmaceutical companies and traders. Excellent quality, good reputation and authentic price have won the praise of the majority of customers.
1:Can I get some samples before bulk order?
A: Most products provide free samples, but the shipping cost be paid by customers.
2: What's your MOQ?
A: We can have a discussion.
3: Which kind of payment terms do you accept?
A: PI will be sent first after confirmation of order,enclosed our bank information.Payment by T/T, Western Union,D/P, ETC.
4.How to place an order?
A: You can contact me through Trademanager, WhatsApp, Email and other contact methods, tell me the product and quantity you need, and then we will give you a quote.
5:How about your delivery time?
A: Generally, it will take 3 to 5 days after receiving your advance payment.
6:How do you treat quality complaint?
A: First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
Product Name: | ACID BLUE 29 |
Synonyms: | ACID BLUE 29;CI 20460;2,7-naphthalenedisulfonicacid,4-amino-5-hydroxy-3-[(3-nitrophenyl)azo]-6-(phe;disodium 4-amino-5-hydroxy-3-[(3-nitrophenyl)azo]-6-(phenylazo)naphthalene-2,7-disulphonate;ACID BLUE 29 (655903) 1X5.3 GM NEAT;ACID BLUE 29 (C.I. 20460);Acid bule 29;C.I. Acid Blue 29, disodium salt |
CAS: | 5850-35-1 |
MF: | C22H14N6Na2O9S2 |
MW: | 616.49 |
EINECS: | 227-449-7 |
Product Categories: | A;Stains and Dyes;Stains&Dyes, A to |
Mol File: | 5850-35-1.mol |
ACID BLUE 29 Chemical Properties |
form | Powder |
Colour Index | 20460 |
color | Black |
EPA Substance Registry System | 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-[(3-nitrophenyl)azo]-6-(phenylazo)-, disodium salt (5850-35-1) |
Safety Information |
WGK Germany | 3 |
MSDS Information |
ACID BLUE 29 Usage And Synthesis |
Uses | Acid Blue 29 C.I. 20460 is an organic dye and water pollutant, removed from water using photocatalytic degradation. Dyes and metabolites. |
Preparation | M-nitroanil-ine diazo, and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?in acid conditions coupled, its product again with diazo of anil-ine in alkaline conditions coupled. |