亚洲成AV人片高潮喷水,亚洲色国产AV天堂,色婷婷激婷婷深爱五月,久女女热精品视频在线观看

 | HOME | INTRODUCTION | PRODUCTS | FEEDBACK | CONTACT US | CHINESE |

  PRODUCTS
2,6-Diamino pyridine
constitutional formula:
molecular formula: C5H7N3
molecular weight: 109.13
CAS No:
141-86-6
appearance: tiny yellow aciculate crystal
content:
≥99.50%
melting point:
120-122℃
drying loss: 0.20%
cauterant sullage: 0.09%
packaging: 25KG cardboard drum

COPYRIGHT © 2004 Shanghai Shenqiang Industrial Co.,Ltd. all rights reserved.
designed by www.hxchem.net