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CAS 40070-59-5 Bromo Xylenol Blue

China Hunan Yunbang Biotech Inc. certification
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CAS 40070-59-5 Bromo Xylenol Blue

CAS 40070-59-5 Bromo Xylenol Blue
CAS 40070-59-5 Bromo Xylenol Blue CAS 40070-59-5 Bromo Xylenol Blue

Large Image :  CAS 40070-59-5 Bromo Xylenol Blue

Product Details:
Place of Origin: China
Brand Name: YunbangPharm
Certification: ISO9001
Model Number: YB115
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 40070-59-5 Bromo Xylenol Blue

Product Name: Bromo Xylenol Blue Cas No: 40070-59-5
EINECS NO: 254-780-4 Molecular Formula: C23H20Br2O5S
Colour: Purple PH: 5.7(yellow)-7.5(blue)
Density: 1.684±0.06 G/cm3(Predicted) Water Solubility: Slightly Soluble In Water,
High Light:

Bromo Xylenol Blue


CAS 40070-59-5 Biological Buffers

CAS 40070-59-5 Bromo Xylenol 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.


Product Name: Bromoxylenol Blue
Synonyms: BROMOXYLENOL BLUE;3',3''-DIBROMO-P-XYLENOLSULFONEPHTHALEIN;3',3''-DIBROMO-P-XYLENOLSULFONPHTHALEIN;Bromoxylenol;4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis[3-bromo-2,5-dimethylphenol] S,S-dioxide;BROMXYLENOL BLUE;BROMOXYLENOL BLUE, INDICATOR GRADE;3,3'-Dibromo-p-xylenolsulfonphthaleine
CAS: 40070-59-5
MF: C23H20Br2O5S
MW: 568.27
EINECS: 254-780-4
Product Categories: Sulfonephthalein
Mol File: 40070-59-5.mol
Bromoxylenol Blue Structure
Melting point 218 °C (dec.)(lit.)
Boiling point 642.8±55.0 °C(Predicted)
density 1.684±0.06 g/cm3(Predicted)
solubility Slightly soluble in water, ethanol; soluble in ethyl acetate
form Crystalline Powder
pka 7.0(at 25℃)
color Purple
PH Range 5.7(yellow)-7.5(blue)
λmax 417nm
BRN 369060
Major Application Optical lenses, sol-gel matrix, inks, paints, toys, lubricants, cosmetics, food storage, microorganism detector, determination of drugs, diagnosis of multiple diseases
CAS DataBase Reference 40070-59-5
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Contact Details
Hunan Yunbang Biotech Inc.

Contact Person: Maggie Ma

Tel: +0086 188 7414 9531

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