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CAS 125-20-2 Thymolphthalein

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CAS 125-20-2 Thymolphthalein

CAS 125-20-2 Thymolphthalein
CAS 125-20-2 Thymolphthalein CAS 125-20-2 Thymolphthalein

Large Image :  CAS 125-20-2 Thymolphthalein

Product Details:
Place of Origin: China
Brand Name: YunbangPharm
Certification: ISO9001
Model Number: YB165
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 125-20-2 Thymolphthalein

Product Name: Thymolphthalein Cas No: 125-20-2
EINECS NO: 204-729-7 Molecular Formula: C28H30O4
Solubility: Ethanol: Clarity Passes Test Density: 0.92 G/mL At 25 °C
Water Solubility: Insoluble Refractive Index: 1.6400 (estimate)
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CAS 125-20-2 Thymolphthalein



CAS 125-20-2 Thymolphthalein


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: Thymolphthalein
Synonyms: 3,3-bis(4-hydroxy-2-methyl-5-(1-methylethyl)phenyl)-1(3H)-Isobenzofuranone;3,3-bis[4-hydroxy-2-methyl-5-(1-methylethyl)phenyl]-1(3h)-isobenzofuranon;Thymolphthalein, for analysis ACS;Thymolphthalein, indicator, pure;THYMOLPHTHALEIN REAGENT (ACS);THYMOLPHTHALEIN SOLUTION, 0.05%;1(3H)-Isobenzofuranone, 3,3-bis4-hydroxy-2-methyl-5-(1-methylethyl)phenyl-;thymolphthalein solution
CAS: 125-20-2
MF: C28H30O4
MW: 430.54
EINECS: 204-729-7
Product Categories: Miscellaneous Biochemicals;Analytical Chemistry;Indicator (pH);pH Indicators;Phthalein
Mol File: 125-20-2.mol
Thymolphthalein Structure
Melting point 251-253 °C(lit.)
Boiling point 504.79°C (rough estimate)
density 0.92 g/mL at 25 °C
vapor pressure 0.002Pa at 90℃
refractive index 1.6400 (estimate)
Fp 74 °F
storage temp. no restrictions.
solubility ethanol: clarity passes test
form Low Melting Mass
pka 9.70, 10.0(at 25℃)
color White to slightly yellow
Specific Gravity 0.92
PH 8.6~10.5
PH Range 9.3(colourless)-10.5(blue)
Odor Mild characteristic odor
explosive limit 3.30-19%
Water Solubility insoluble
λmax 592nm, 396nm, 598nm
Merck 14,9401
BRN 359413
Major Application Display device, semiconductors, recording materials, photoconductors, sol-gel matrix, tin electroplating process, counterfeit-proof paper, authentication system forsecure documents, inks, pencil leads, correction fluid, paints, petroleum marker, tennis ball, adhesives, floor coatings, textiles, detergents, insecticide, lotion, cleaning pads, food storage, determine bacterial growth, Streptococci in saliva, dental impressionmaterials
LogP 3.682 at 25℃
CAS DataBase Reference 125-20-2(CAS DataBase Reference)
EPA Substance Registry System Thymolphthalein (125-20-2)
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Contact Details
Hunan Yunbang Biotech Inc.

Contact Person: Maggie Ma

Tel: +0086 188 7414 9531

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