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CAS 165660-27-5 Hydroxynaphthol Blue

China Hunan Yunbang Biotech Inc. certification
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CAS 165660-27-5 Hydroxynaphthol Blue

CAS 165660-27-5 Hydroxynaphthol Blue
CAS 165660-27-5 Hydroxynaphthol Blue CAS 165660-27-5 Hydroxynaphthol Blue

Large Image :  CAS 165660-27-5 Hydroxynaphthol Blue

Product Details:
Place of Origin: China
Brand Name: YunbangPharm
Certification: ISO9001
Model Number: YB179
Payment & Shipping Terms:
Minimum Order Quantity: Negotiable
Price: Negotiable
Packaging Details: 1kg/Bottle, 5-25kg/Drum
Delivery Time: 5-8 working days
Payment Terms: L/C, D/A, D/P, T/T, Western Union
Supply Ability: 10Ton/Month

CAS 165660-27-5 Hydroxynaphthol Blue

Product Name: Hydroxynaphthol Blue Cas No: 165660-27-5
MDL NO: MFCD00004075 Molecular Formula: C20H15N2NaO11S3
Solubility: DMSO (Slightly), Water (Sparingly) Storage Condition: Store At Room Temperature.
Melting Point: 274°C Molecular Weight: 578.51
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CAS 165660-27-5 Hydroxynaphthol


CAS 165660-27-5 Hydroxynaphthol Blue

CAS 165660-27-5 Hydroxynaphthol Blue


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.


R&D strength is the company's core competitiveness.Yunbangpharm has maintains a good cooperation relationship with many Universities and Research institutes locally, which can quickly transform R&D results into industrial production.

Our goal : To achieve the integrated upgrade of Pharmaceutical intermediates, raw materials and high-end chemical products, adhere to "serving pharmaceutical companies, creating our brands" to provide customers with high-quality and low-cost pharmaceutical and chemical products, realizing Win-win cooperation and common development.

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.



1. 90days quality guarantee for exchange.

2. For each batch order extracts, we will attach a factory Inspection Report with the goods delivery , including the BatchNo/ Date/ Test index ects; also will keep the archived extracts to ensure received by customers are the same each time.

3. Our team of experienced professionals are available online 24 hours a day to answer any questions and provide guidance on product usage and maintenance.


Synonyms: Hydroxy naphthol blue disodiuM;2,7-Naphthalenedisulfonicacid, 3-hydroxy-4-[2-(2-hydroxy-4-sulfo-1-naphthalenyl)diazenyl]-, sodium salt(1:2);Hydroxy Naphthol Blue, In NaCl;Hydroxy naphthol blue disodium salt, For ACS analysis;HYDROXY NAPHTHOL BLUE, REAGENT (ACS)HYDROXY NAPHTHOL BLUE, REAGENT (ACS)HYDROXY NAPHTHOL BLUE, REAGENT (ACS);2,2'-DIHYDROXY-1,1'-AZONAPHTHALENE-3',4,6'-TRISULFONIC ACID DISODIUM SALT;HYDROXY NAPHTHOL BLUE;HYDROXY NAPHTHOL BLUE DISODIUM SALT
CAS: 165660-27-5
MF: C20H15N2NaO11S3
MW: 578.51
Product Categories: G-H-I;Stains and Dyes;Stains&Dyes, A to
Mol File: 165660-27-5.mol
Melting point 274°C
storage temp. Store at room temperature.
solubility DMSO (Slightly), Water (Sparingly)
form Small Powder
color Small dark blue to black
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Contact Details
Hunan Yunbang Biotech Inc.

Contact Person: Maggie Ma

Tel: +0086 188 7414 9531

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