General description This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO Guide 34. This CRM is traceable to NIST SRM.Certified content by quantitative NMR incl. uncertainty and expiry date are given in the certificate.Download your certificate at: http://www.sigma-aldrich.com. 法律信息 TraceCERT 注册商标 Sigma-Aldrich Co. LLC
A benzenoid aromatic compound that consists of two benzene rings connected by a single covalent bond. Biphenyl occurs naturally in coal tar, crude oil, and natural gas. Formerly used as a fungicide for citrus crops.
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• For use in combination with Li metal for the generation of activated Ca metal, see: Org. Synth. Coll., 9, 9 (1998).
环境危害性 (N)
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