久久久久久蜜桃一区二区 欧洲美女大胆潮喷 精品少妇熟女ⅤⅤ免费久久久免费 超碰五月天亚洲论坛

  熱線電話:021-54370211?    

Dimethoxymethane

name name two methanol
Chinese alias dimethoxy methane;Two methanol shrinkage formaldehyde;A brace of dimethyl ether;Formaldehyde reduced two methanol;Dimethoxy methane;Methylal.Two methanol shrinkage formaldehyde;Dimethyl oxygen methane;Formaldehyde condensation glycol;methylal
CAS No. 109-87-5
EINECS no. 203-714-2
MFC3H8O2 
 MW76.09
Physical and chemical properties of colorless clear volatile flammable liquid, scents of chloroform and pungent taste.Water soluble in 3 times [20 ℃ water solubility 32% (weight)].And most organic solvents miscibility.
Melting point - 105 ° C
Boiling point 41-43 ° c.
The relative density of 0.860 g/mL at 20 ° C (lit.)
Refractive index n20 / D 1.354
Flash point to 18 ° c.
Used mainly for the production of anion effect in resin, and as a solvent and special fuel.Its dissolving ability stronger than ethyl ether, acetone, and methanol and azeotrope can dissolve high nitrogen content of nitrocellulose.But due to its vapor strong narcotic, should not be used as solvents, generally as a special solvent.Is also used to spice the manufacture, the production of synthetic resin, and used as the grignard reaction and ray (synthesis) of the reaction medium.

@ 2016 ShangHaiYaYu Biomedical co.,ltd TEL:021-54370211、54370255、54370355 FAX:021-54370255

海盐县| 漯河市| 河北省| 土默特右旗| 曲阳县| 绥棱县| 兰溪市| 乌鲁木齐县| 洛南县| 犍为县| 沁阳市| 阜城县| 武定县| 韶关市| 香港 | 岳普湖县| 申扎县| 永修县| 温宿县| 平顶山市| 余江县| 米林县| 富阳市| 静海县| 武鸣县| 鄯善县| 葫芦岛市| 凭祥市| 新河县| 夏津县| 惠东县| 永胜县| 西乌珠穆沁旗| 麟游县| 抚顺市| 望城县| 台山市| 乐至县| 腾冲县| 康乐县| 景洪市|