国产一级内射视频免费_久久这里只精品_国产成人精品在线看_我不卡国产午夜av_麻豆av久久久久精品_青春草在线视频网站_99国产精品v_人妻の中文字幕

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
花莲市| 潜山县| 宝应县| 乌鲁木齐县| 土默特左旗| 巴楚县| 大新县| 奉化市| 浦东新区| 都江堰市| 开封市| 正蓝旗| 新巴尔虎右旗| 云梦县| 无极县| 浠水县| 信阳市| 榆社县| 乳山市| 姜堰市| 敦化市| 汾西县| 海晏县| 方城县| 吴江市| 阳朔县| 慈利县| 万载县| 开江县| 容城县| 玉树县| 镇原县| 仪征市| 监利县| 长春市| 青河县| 高密市| 嘉鱼县| 津市市| 松原市| 民丰县|