Dayang Chem (Hangzhou) Co., Ltd. is one of the leading manufacturers and suppliers of thymolphthalein cas 125-20-2 in China, specialized in providing high quality customized chemicals. Welcome to wholesale bulk thymolphthalein cas 125-20-2 made in China here and get pricelist from our factory. Good service and reasonable price are available.
Product Introduction
Specification
|
Appearance |
White to pale yellow crystalline powder |
|
Assay |
98.0% Min |
|
Melting point |
251-253 C(lit.) |
Should the need arise; we will send you the latest specifications and analysis report.
Packaging and delivery
|
Package |
25kg net per drum |
|
Storage |
no restrictions. |
|
Transport information |
Not regulated as a dangerous good |
|
Delivery |
By express: DHL,FedEx,UPS,for under 10kg By air: from Shanghai,Beijing ,suitable for under 200kg By sea:from Shanghai ,Qingdao, suitable for large quantity |
Applications
As pH indicator: colorless 9.3 to blue 10.5. Also as reagent for blood after decolorizing the alkaline solution by boiling with zinc dust.
Thymolphthalein is a pH sensitive dye that has multiple uses such as testing hydration and/or saliva testing.
Spectrum
Related Articles
1Thousands of chemical starting points for antimalarial lead identification.
Nature 465 , 305-10, (2010)
2Experimental correlation between the pKa value of sulfonphthaleins with the nature of the substituents groups.
Spectrochim. Acta. A. Mol. Biomol. Spectrosc. 69(4) , 1235-45, (2008)
3Analysis of nifedipine-acebutolol hydrochloride binary combination in tablets using UV-derivative spectroscopy, capillary gas chromatography and high performance liquid chromatography.
J. Pharm. Biomed. Anal. 16(1) , 21-30, (1997)
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