亚洲中文字幕第二页,制服丝袜中文字幕,在线精品亚洲一区二区不卡,成人综合久久精品亚洲,国模小黎自慰337P人体,亚洲综合图片小说区热久久

 

Formic Acid

 

 


Basic information:
CAS NO.64-18-6
UN NO.1779
Chemical formula:
CH2O2
Molecular weight:46.02
Character:colourless and pungent, and corrosive
Density:1.22
Melting point:
8℃
Boiling point:
101℃
Solubleness(mg/ml):Mixed with water,insoluble in hydrocarbons,soluble in alcohols.

 

Techical Index(Mass fraction/%)

Index name

Superior grade

Qualified grade

Assay %

≥90.0

≥85.0

Chroma(platinum-cobalt)

≤10

≤10

Dilution test(acid+water+1+3)

No cloudy

Qualified

 Chloride(Calculated as Cl)%

≤0.003

0.005

Salt(Calculated as SO4)%

≤0.001

0.002

Iron(Calculated as Fe)%

≤0.0001

≤0.0005

Residue on evaporation%

≤0.006

≤0.020


Uses:

Formic acid is one of the basic organic chemical raw materials, widely used in pesticide, leather, dye, medicine and rubber industries.Formic acid can be directly used in fabric processing, tanning, textile printing and dyeing, storage of green feed, as well as metal surface treatment agent, rubber auxiliary agent and industrial solvent.In organic synthesis, it is used to synthesize various formate esters, acridine dyes and formamide intermediates.

 

Package/Capacity of container/Storage:

Packing:in 25kg or 200kg plastic drum.

Store in a cool, dry,well-ventilated place, keep sealed.

 

 

 

Contact person: Chen Xin Liu Yong  Mobile phone:13114957238 15022111969  E-mail:fairy.chen@tjxinze.com? david.liu@tjxinze.com ?Telephone:86-22-23717388
Fax:86-22-23717188 ? Address: Dongtaizi, Xiqing District, Tianjin
亚洲中文字幕第二页,制服丝袜中文字幕,在线精品亚洲一区二区不卡,成人综合久久精品亚洲,国模小黎自慰337P人体,亚洲综合图片小说区热久久 在线精品国精品国产不卡| 亚洲伊人伊成久久人综合网| 久久福利社最新av高清精品| 国产91在线一区精品| 国产v精品欧美精品v日韩| 亚洲精品生活一区二区三区| 久久99这里只有精品| 欧美视频一区在线观看| 亚洲欧美日韩二页| 日韩人妻熟精品久久无码| 亚洲色欲色欲综合网站色偷偷| 日韩v亚洲ⅴ欧美v| 亚洲精品无码久久性| 国产视频一区在线播放| 中文字幕日韩专区精品系列| 欧美成精品视频在线观看| 国产成人麻豆亚洲综合无码精品| 国产区精品一区二区不卡中文| 亚洲男人中文字幕一区| 亚洲欧美另类久久久精品能播放| 中文字幕亚洲综合中文字幕| 亚洲三级在线观看| 亚洲aV成人无码精品网站产| 亚洲最大的黄色网| 制服丝袜中文字幕无码自拍| 亚洲国产综合无码一区| 亚洲图片色图日韩无码| 亚洲中文字幕在线乱妇| 亚洲自偷自偷在线成人网站传媒| 欧美日韩亚洲国产综合| 中文字幕日本在线| 亚洲欧美日韩中字国产| 国产亚洲人成网站在线观看| 免费最新电影在线观看| 亚洲精品日韩中文字幕久久久| 欧美日韩精品一区二区三区不卡| 亚洲精品久久9热| 亚洲日韩欧美专区制服| 亚洲see少妇裸体pics| 亚洲人妻一区二区三区久久精品| 久久精品亚洲国产aV果冻传媒| http://653126.com http://haoxingguanye.com http://jidianst.com http://zyoudui.com http://669floor.com http://tsinging.com