国产成人午夜福利在线观看_国产a∨天天免费_日韩欧美大陆在线_18禁爆乳奶头免费_窝窝午夜福利影院_欧美日本特别在线_亚洲精品免费视频3_国产精品无码A∨精品性色_老鸭窝欧美一级一区二区_三级黄色毛片播放

紅陽化工

Hongyang Chemical

  |  EN

PRODUCTS

hongyangchem

Zinc acetate,anhydrous

Product Name Zinc acetate,anhydrous
CAS NO. 557-34-6
Molecular formula (CH3COO)2Zn
Description zinc acetate Anhydrous is available as white powder.
Grades Zinc acetate, anhydrous is available in pharmaceutical grade and Technical Pure grade.
Specification
Grade U.S.P Technical Pure
Assay% 99.0%-101.0% 98.0%-102.0%
pH at 20℃ in 5% aqueous sol. 6.0-7.0 6.0-7.0
Insoluble Matter%≤ 0.005 0.005
Chloride(Cl) %≤ 0.005 0.01
Sulfate(SO4) %≤ 0.01 ?
Iron(Fe) %≤ 0.0005 0.0005
Lead(as Pb) %≤ 0.002 0.005
Organic Volatile Impurities ? To pass test
Arsenic(As) %≤ 0.0003 0.0003
Both grades conform to U.S.P. 27 / On request: Technical Pure
Packing Zinc acetate, anhydrous is supplied in polyethylene lined paper bags.
Storage and handling The product should be stored and handled in its original packaging or in a suitable sealed container and kept in a clean and dry place. Storage conditions should preferably be a sheltered environment with limited temperature variations and low humidity levels. Direct contact of the package with water or any other liquid is likely to cause the product to cake. Pallets should not be stacked. Under normal conditions, the use of this product does not cause any undue health hazard. Precautions should be taken to prevent eye-and prolonged or repeated skin contact with the solid product or its solutions.
Application As vinyl acetate, polyvinyl alcohol production catalyst, mordant dyeing, pharmaceutical astringent, wood preservatives, porcelain glaze, polyester industry; also be used as the determination of sodium, hydrogen sulfide, protein analysis Reagent, chromatography Reagent .
Properties
Physical properties
Molecular weight   183.46
Flash point ℃   >250
Solubility in water: at 20℃ g/100ml 30.0

HOME  |   ABOUT US  |   PRODUCTS  |   NEWS  |   FACTORY  |   HONORS  |   ORDER  |   CONTACT  |   ENGLISH

Copyright(C)2021, Anhui Hongyang Chemical Co., Ltd. All Rights Reserved. Supported by ChinaChemNet ChemNet Toocle Copyright Notice 備案序號:皖I(lǐng)CP備11011039號