3,4,5,6-Tetrahydrophthalic anhydride

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Chemical Name:3,4,5,6-Tetrahydrophthalic anhydride
CAS.NO:2426-02-0
Synonyms:3,4,5,6-Tetrahydrophthalic anhydride
4,5,6,7-tetrahydro-2-benzofuran-1,3-dione
1-CYCLOHEXENE-1,2-DICARBOXYLIC ANHYDRIDE
4,5,6,7-tetrahydroisobenzofuran-1,3-dione
 
Physical and Chemical Properties:
Density 1.3±0.1 g/cm3
Boiling Point 302.3±11.0 °C at 760 mmHg
Melting Point 69-73 °C(lit.)
Molecular Formula C8H8O3
Molecular Weight 152.147
Flash Point 146.1±16.5 °C
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.534
 
Specification:
Appearance:White to light yellow crystal
Assay:≥98.0%
 
Packing:25 kg/drum, can also be packaged according to customer requirements
Storage:Store in a cool, ventilated place
Application:Intermediate of Tetramethrin(CAS:7696-12-0).

3,4,5,6-Tetrahydrophthalic anhydride


Related News: This is called API. A small amount of the active ingredient has an effect, so only a tiny part of the active ingredient is contained in medicine.4,4'-Diaminodiphenylsulfone CAS:80-08-0 The acquired pharmaceutical intermediates business will be renamed Corden Pharma Switzerland LLC and will operate as part of ICIG’s pharmaceutical business within the Corden Pharma platform. The companies’ goal is to close the transaction during the first quarter of 2011. Financial terms are not disclosed.N-(tert-Butoxycarbonyl)sulfamide The API can be directly formulated, and the intermediate can only be used to synthesize the next product. Only through the intermediate can the API be manufactured.2-Bromo-1-(3-nitrophenyl)ethanone CAS:2227-64-7 Some experts said that in the research and development of chemical medicine, the possibility of large medicines is getting smaller and smaller, and with the popularization of precision treatment, small medicines (high-efficiency medicines) are being introduced more and more.The company’s product reserves are rich, with more than one hundred varieties in various categories from intermediates to APIs. At present, the grays and anti-hepatitis C series intermediates are steadily advancing, which will ensure future growth.

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