夜夜未满十八勿进的爽爽影院,香蕉+视频,成全视频观看在线观看,嗯啊插的好深啊使劲抽视频,好爽啊视频,精品少妇无码av无码专区,日本有限公司在线观看色b视频,亚洲精品美女久久777777,亚洲欧美中文日韩

<samp id="q00mw"><tfoot id="q00mw"></tfoot></samp>

<samp id="q00mw"><tbody id="q00mw"></tbody></samp>

<ul id="q00mw"><pre id="q00mw"></pre></ul>

<strike id="q00mw"><s id="q00mw"></s></strike>

揚中市天力化工有限公司

Yangzhong Tianli Chemical Co., Ltd.

Customer Service Hotline

+86-511-88525239

　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　

PRODUCT CENTER

Bromobenzene series

Pyrazole series

Quinoline series

Isoxazole series

Nitro Compounds

Ester Compounds

Products

　

Product Type

　Nitro Compounds

Product Name

　5-Nitrovanillin

Details

　

5-Nitrovanillin
CAS NO :	6635-20-7
Molecular formula:	C₈H₇NO₅
Molecular weight:	197.15
Structural formula:
Appearance:	Yellow powder
Quality standard:	≥98.0%
Melting point:	177.00-179.00℃
Moisture:	≤0.5%
Packing:	25KGcardboard drum

BACK

tianli Chemical

<strike id="00esy"><menu id="00esy"></menu></strike>

<samp id="00esy"><tbody id="00esy"></tbody></samp>