CAS No 125-20-2 Thymolphthalein Powder Acs Reagent, Dye Content 95 %

• CAS No.: 125-20-2
• Formula: C28h30o4
• EINECS: 204-729-7
• Appearance: Powder
• Type: Pharmaceutical Intermediates
• Quality: Refined
• Model NO.: YB045
• Colour: White to Slightly Yellow
• Samples: Available
• Purity: 99%
• Certificates: ISO9001/SGS
• Package: 1kg/5kg/10kg/25kg
• Stocks: in Stock
• Lead Time: 5-7 Working Days
• Shelf Life: 2-3 Years
• Site Audit: Available
• Transport: Air/Express/Sea
• MOQ: 10g
• Transport Package: Drum/Bottle/Bags
• Specification: Dye content 95%
• Trademark: Yunbang OEM
• Origin: China

Product Description

CAS NO 125-20-2 Thymolphthalein powder ACS reagent, Dye content 95 %
 

Company Informations

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.

The company adheres to the corporate tenet of "We do not produce medicines, but help pharmaceutical companies make good medicines".

We can provide customers with customized processing, research and development services;
We can develop high-end Pharmaceutical and chemical products with high technical difficulties,high barriers and unique production processes;
We can provide 100 grams Grade, kilograms, and hundred kilograms of raw material pharmaceutical intermediates and other products.
We can perform -100°C to 300°C reaction.

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.

Product Description

Thymolphthalein (5′, 5′′-Diisopropyl-2′, 2′′-dimethylphenolphthalein) is an acid-base indicator which is colorless in solutions with a pH below 8.5 and blue in solutions with a pH above 9.5. Thymolphthalein has been used as an indicator in periodate-thiosulfate reaction.

Application

Thymolphthalein has been used as a pH indicator in [¹⁴C] urea breath test to determine when the CO₂ trap is full.

 

FAQ

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.
 

Our Advantages

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 analysis

 

 

 

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

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 90ºC
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 25ºC)
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
InChIKey	GRBHJPCWQRVGND-UHFFFAOYSA-N
LogP	3.682 at 25ºC
CAS DataBase Reference	125-20-2(CAS DataBase Reference)
EPA Substance Registry System	Thymolphthalein (125-20-2)

Hazard Codes	F,Xn
Risk Statements	11-40-10
Safety Statements	7-16-36/37-24/25-22
RIDADR	UN 1170 3/PG 3
WGK Germany	3
TSCA	Yes
HazardClass	3
PackingGroup	II
HS Code	29322980

 

Chemical Properties	white fine crystalline powder
Uses	Thymolphthalein is a pH sensitive dye that has multiple uses such as testing hydration and/or saliva testing.
Definition	ChEBI: Thymophthalein is a terpene lactone.
General Description	Thymolphthalien is an acid-base indicator which is colourless in acidic form and deep blue in basic form. Acidic form retains hydrogen on each hydroxyl group. It is suitable in preparing disappearing ink.

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