CAS 76-61-9 Thymol blue

CAS 76-61-9 Thymol 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.

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.

Advantage

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:	Thymol Blue
Synonyms:	THYMOLSULFONEPHTHALEIN;THYMOL BLUE TS;THYMOLSULFONPHTHALEIN;THYMOL BLUE ETHANOL (50);THYMOL BLUE INDICATOR SOLUTION;THYMOL BLUE;TB;S NO 879
CAS:	76-61-9
MF:	C27H30O5S
MW:	466.59
EINECS:	200-973-3
Product Categories:	Sulfonephthalein;Analytical Chemistry;Indicator (pH);pH Indicators
Mol File:	76-61-9.mol

Melting point	221-224 °C (dec.) (lit.)
Boiling point	539.4°C (rough estimate)
density	1.1413 (rough estimate)
refractive index	1.5300 (estimate)
Fp	36 °C
storage temp.	room temp
solubility	0.11g/l
form	Solid
pka	Pka1:1.65(at 25℃)(PH=1.2 to 2.8) Pka2:8.9(at 25℃)(PH=8.0 to 9.6)
color	Dark green to dark brown
Odor	Characteristic odour
PH Range	1.2(red)-2.8(yellow) 8(yellow)-9.6(blue)
Water Solubility	Soluble in alcohol and dilute alkali solutions. Insoluble in water.
λmax	594nm, 376nm, 544nm, 430nm
Merck	14,9400
BRN	368036
Stability:	Stable. Combustible. Dust may form an explosive mixture with air. Incompatible with strong oxidizing agents.
Major Application	Display device, semiconductors, sensors, fuel cells, antimisting coating for glass, toys, corrosion inhibitor, multi-level alert system, correction fluid, textiles, falsification-proof security paper, packaging system, measurement of hydrogen ion concentrationin swimming pool water, humidity-indicating agent, diapers, cosmetics, biostatic materials, determine bacteria growth, psychoactive drugs, antidepressant drugs, dental impression material
CAS DataBase Reference	76-61-9(CAS DataBase Reference)
NIST Chemistry Reference	Thymolsulfonephthalein(76-61-9)
EPA Substance Registry System	Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[5-methyl-2-(1-methylethyl)- (76-61-9)