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 一区二区三区+在线播放| 综合久久中文亚洲| 国产精品18久久久久久麻豆| 亚洲综合日韩毛片| 亚洲不卡无码在线观看| 久色精品日韩在线第二页| 久久免费99精品久久久久久| 在线播放国产麻豆VA剧情| 在线精品视频成人| 一级特黄大片欧美久久| 亚洲视频无码高清在线| 亚洲美日韩精品无码一区二区| 一本久久国产精品视频日本| 精品国产一区二区香蕉| 国产成年无码不卡AV片在线观看| 亚洲中文无码综合| 亚洲国产成人精品无码专区| 97在线观看视频公开免费| 精品亚洲成a人无码成a在线观看| 欧美精品在欧美一区二区少妇| 亚洲AV无码乱码在线观看裸奔| 中文字幕丰满丝袜人妻喷水| 一区二区三区免费| 精品人妻无码一区二区三区网站| 香蕉久久一區二區不卡無毒影院| 亚洲欧美国产日产综合不卡| 国产综合精品女在线观看| 精品国产一区二区三区四区| 久久国产精品东京热| 国产精品1区2区3区4区| 亚洲av永久中文无码精品综合| 久久99精品久久久久久清| 亚洲天堂a∨欧美高清| 亚洲一区二区无码中文字幕日| 精品一区二区久久毛片| 三级国产爽死你个荡货| 亚洲春色一区二区三| 色哟哟院91精品网站| 亚洲狠狠色丁香婷婷综合久久| 亚洲欧美精品SUVa| 亚洲a∨精品一区二区欧美| http://gaohailin.com http://hnjjyljg.com http://791163.com http://bajiaolu.com http://hnkifa.com http://wzzj5.com