1,8-Dihydroxynaphthylene-3,6-disulfonic acid CAS NO.148-25-4 CAS NO.148-25-4

Hubei Jusheng Technology Co., Ltd.,  is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates in China. The yearly production capacity is 50000MT, 80% for export.We have a professinal export team. Both by Air and by Sea,we ensure that we meet the customer expectations with promptness. Our company facing global High-tech pharmaceutical raw materials, high complex new type intermediates, fine chemicals custom synthesis, scale-up production and Rare chemicals trade. Corey have well-equipped machine, strong technical force and considerate marketing team service. We also have rich experience advantage in basic research, small scale process development, scale-up, industrial technology development & production and cost control.   

Why choose us   

1,We produce and sell unique chemicals around the world.   

2,Our success rate is about 95%. This means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%.   

3,Our staff consists of highly qualified individuals with Bsc, Msc and Ph.D degrees in chemistry, as well as excellent carbohydrates,nucleosides, small molecules and rare chemicals.   

4,Imaginechem's chemists are skilled at performing complex, multi-step syntheses and solving difficult chemistry-related problems. Because of our better, concentracted size and low overheads, we are able to offer prompt quotations, very competitive prices, high quality products and fast delivery.   

5,All chemicals are typically >97% for building blocks, The structure and purity is confirmed by NMR and LC-MS. Intermediates and final products are analyzed by GC, HPLC, IR, NMR, MS, elemental analysis, atom-absorpting analysis and crystallographical methods.   

6,Stable quality, high quality satisfy customer's high grade sourcing request. Competitive price . Correct delivery time promise. Continuous improvement make sure the long-term cooperation. Honest service for your whole sourcing process.   

Because of our better, we are able to offer prompt quotations, very competitive prices, high quality products and fast delivery. We can provide recipes and professional suggestions to promote yourselves. Tracking number and packing photoes can be given quickly after your goods sent. High quality, best price, first-class service, high successful delivery rate, we have stock, so we can delivery quickly at the very day when payment is arrived. 

Name:1,8-Dihydroxynaphthylene-3,6-disulfonic acid

Synonym:4,5-dihydroxy-7-naphthalenedisulfonicacid;7-Naphthalenedisulfonicacid,4,5-dihydroxy-2;Chrmotropicacid;4,5-DIHYDROXY-2,7-NAPHTHALENEDISULFONIC ACID;4,5-dihydroxynaphthalene-2,7-disulphonic acid;1,8-DIHYDROXYNAPHTHALENE-3,6-DISULFONIC ACID;1,8-DIHYDROXYNAPHTHYLENE-3,6-DISULFONIC ACID;CHROMOGEN

CAS: 148-25-4

EINECS:205-712-7

Assay:75%

M.F:C10H8O8S2

M.W:320.3

Appearance:Gray and black powder

Application:The product is a intermediate acid mordant dark blue dye. The dye can be used for wool fabric dyeing, is composed of 4- chlorine o-aminophenol diazotization and coupling of chromotropic acid. Used in the manufacture of dyes and anthraquinone dyes azo, and as a reagent

Package:25KG/braided bag

Standard:Enterprise standard