国产欧美视频一区二区三区,成在线人视频免费视频,国产办公室秘书无码精品99,亚洲国产精品一区二区久久,亚洲av午夜精品无码专区,国内老熟妇对白xxxxhd,久久国内精品一区二区三区,精品人妻无码中文字幕在线

Products

Products

Dichloromethane

Dichloromethane

Specification: 99.9%

Origin: domestic

Packaging: 250kg/drum


Detailed introduction

Product name

Dichloromethane

English name

Dichloromethane

Alias

Methylene chloride; Methane dichloride; Methylene dichloride; narkotil; Plastisolve; R 30; Refrigerant 30; solaesthin; solmethine

CAS RN

75-09-2

EINECS No.

200-838-9

Molecular formula

CH2Cl2

Molecular weight

84.93

Dangerous goods mark

Xn:Harmful

Risk term

R40;

Safety term

S23; S24/25; S36/37;

Physicochemical property

Appearance: Colorless transparent liquid with aromatic smell.
Melting point(℃): -96.7
Boiling point(℃): 39.8
Relative density(water=1): 1.33
Relative vapor density(air=1): 2.93
Saturated vapor pressure(kPa): 30.55(10℃)
Heat of combustion(kJ/mol): 604.9
Critical temperature(℃): 237
Critical pressure(MPa): 6.08
The pair value of the octanol/water partition coefficient: 1.25
Ignition temperature(℃): 615
Upper explosion limit%(V/V): 19
Lower explosive limit%(V/V): 12
Solubility: Slightly soluble in water, soluble in ethanol, ether.

To use

Used as solvent in resin and plastics industry. Widely used in medicine, plastic and film industry.

Address
Add: Room 1655, Floor 16, No. 2000, Zhongshanbei Road, Putuo District, Shanghai
Tel
+86-21-62142081
主站蜘蛛池模板: 欧美14一18处毛片| 国产尤物av一区二区三区| 亚洲综合社区| 日韩中文字幕免费视频| 99精产国品一二三产区在线| 亚洲国产综合精品 在线 一区| 91免费在线| 91福利视频导航| 国产黄a三级三级| 国产寡妇婬乱a毛片视频| 深夜少妇18免费| 国产人妻精品区一区二区三区| 国模无码视频一区二区三区| 国产偷自视频区视频| 97免费人妻无码视频| 韩国三级中文字幕hd久久精品| 涡阳县| 国产69精品久久久久9999apgf| 兰坪| 国产精品免费大片| 国模精品| av中文字幕不卡| 开化县| 中文字幕欧美人妻精品一区蜜臀| 国模一区二区| 洋洋AV| 久久综合国产| 金典亚洲经典av| 亚洲第九十九页| 欧美特级特黄aaaaaa在线看| 日本亚洲一区二区三区| 懂色av一区二区夜夜嗨| 中文字幕亚洲有码| 无码成人一区二区| 日本精品4080yy私人影院| 国产亚洲tv在线观看| 五月天成人社区| 2019精品手机国产品在线| 精品乱码一区二区| 亚洲天堂精品在线| 谁有老熟女网站|