国产成人综合在线视频,韩国激情高潮无遮挡,婷婷综合缴情亚洲五月伊,欧美综合人人做人人爱

中文版 - ENGLISH

Top Products

•	Long chain dicarboxylic acid

•	Zirconium & hafnium chemicals

Manufacturing base:
NO. 16, Guangtong Road, Longquan Town, Zichuan District, Zibo City, Shandong, China
Oversea Sales:
Tel: 86-532-86959667 Fax: 86-532-86760085
E-mail: sales@changyuintl.com
Domestic Sales:
Tel: 86-533-5860002、86-533-5860039 Fax: 86-533-5860296
E-mail: gtsales@changyuintl.com

1,7-Heptanediol

English Name: 1,7-Heptanediol
Formula: C₇H₁₆O₂
Purity: 99%
CAS No.: 629-30-1
Melting Point(^οC): 20
Usage: Pharmaceutical, pesticide, spice, and coating intermediate