亚洲精品在看在线观看高清91_国产高清欧美日韩一区_日韩A级毛片一区二区三区_99热只有精品四虎_正在播放欧美一区_午夜伦情电午夜伦情电影_國內外成人免費視頻_久久亚洲AV午夜福利精品一区_免费在线观看无码一二三区_在线观看玫瑰影视

National Service Hotline: +86-519-82862656

Home | 中文版

Changzhou Aide Biology Technology Co., Ltd.
--Main production of pharmaceutical raw materials and intermediates

About UsProductsQualityFactoryOrderContact Us

Medicine Intermediate

Agricultural Chemicals Intermediate

Products

Putrescine Dihydrochloride

Product name:	Putrescine Dihydrochloride
Molecular formula:	C₄H₁₂N₂·2HCL
CAS NO.:	333-93-7
Package:	25kg/drum
Batch No.:	P20060521

CERTIFICATE OF ANALYSIS
Items	Specification	Results
Appearance	White needles crystalline	Pass
Assay(Cl)%	≥98.5%	99.7%
Solubility(1.0g in 50ml H₂O)	Clear	Pass
Loss on drying %	≤0.5%	0.2%
Residue on ignition%	≤0.2	0.18
Sulfate(SO₄)%	≤0.020%	0.010%
Arsenic(AS₂O₃)ppm	≤10	Pass
Heavy metals(Pb)ppm	≤10	Pass
Storage & Shelf life	2 years in original sealed container, cool, dry place.

HomeAbout UsProductsQualityFactoryOrderContact Us中文版

Add: Guan village, Baita town, Jintan city

Email: [email protected]
Tel: +86-519-82862656 Fax: +86-519-82862656

Mobile: +86-13806148848 Contact: AiXinsheng

URL: http://tanhon.cn

Scan Contact Us

Copyright(C)2018, Changzhou Aide Biology Technology Co., Ltd. All Rights Reserved. Supported by ChinaChemNet ChemNet Toocle Copyright Notice 備案序號(hào)：蘇ICP備06002541號(hào)