Hangzhou Chemfar Ltd.
Country:China (Mainland)
Year Established: 2002Business type: Other
Integral:
1. delta-Valerolactone (542-28-9)
For being one kind of clear colorless to pale yellow liquid, delta-Valerolactone (542-28-9) has the Molecular Formula of C5H8O2 and Molecular Weight of 100.12. When comes to the solubility, it is miscible in water. delta-Valerolactone has other synonyms of Tetrahydro-2H-2-pyranone; 5-Valerolactone.
2. Molecular structure Data of delta-Valerolactone (542-28-9)
The Molecular structure Data of delta-Valerolactone are as below:
(1)molar refraction: 24.79;
(2)molar volume (m3/mol): 93.9;
(3)parachor (90.2K): 226.1;
(4)surface tension (dyne/cm): 33.4;
(5)polarizability (10-24cm3): 9.82.
3. delta-Valerolactone synthesis
As the delta-Valerolactone synthesis, it could be produced through the following methods:
1). Have the cyclopentanone treated with benzylhydroperoxide, to produce delta-Valerolactone.
2). Prepare the ω-phenoxy(yl)propylpropanedioate and hydroiodic acid and then heat to have sodium 5-iodopentanoate, and then heat the by-product sodium 5-iodopentanoate to have delta-Valerolactone.
3). Have the reduction of glutaric anhydride with Sodium or sodium amalgam, in the existence of alcohol.
4. Choose Quality Delta-valerolactone Manufacturers, Suppliers
If you want to know more about price information of pharmaceutical chemicals/CAS No. 542-28-9, you could search online for some leading delta-Valerolactone (542-28-9) suppliers. In order to choose Quality 542-28-9 Manufacturers, Suppliers, Exporters, use one chemical B2B platform is a good choice, such as Lookchem. Of course, we could introduce one good Delta-valerolactone manufacturers now, eg., Hangzhou Chemfar Ltd. This company focused on providing integrated development and manufacturing service to the pharmaceutical and fine chemical industry.
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