English name: DIETHYLENE GLYCOL
English alias: 2-(2-Hydroxyethoxy) ethanol; 2-(2-hydroxy-ethoxy)-ethanol; 2-(2-hydroxyethoxy)-ethanol; 2, 2 'dihydroxyethylether; 2, 2 'oxybis-ethano; 2, 2 'oxydi-ethano; 2, 2 'oxyethanol; 2, 2-Di (hydroxyethyl) ether; 2, 2 'Dihydroxyethyl ether; 2, 2 'Oxyethanol; 3-Oxa-1, 5-pentanediol; 3-Oxapentane-1, 5-diol; Bis (beta-hydroxyethyl) ether; Bis (beta-hydroxyethyl) ether; Brecolane NDG; ;2, 2 'oxydiethanol; DEG
CAS number: 111-46-6
EINECS number: 203-872-2
Formula: C4H10O3
Molecular weight: 106.1204
InChI: InChI: 1 S/C4H10O3 / c5-the 1-3-7-4-2-6 / h5-6 H, 1-4 H2
Molecular structure:
Density: 1.106 g/cm3
Melting point:-10 ℃
Boiling point: 245.7 ° C at 760 mmHg
Flash point: 143.3 ° C
Water-soluble: SOLUBLE
The steam pressure: 0.00469 mmHg at 25 ° C

Chemical properties:
Colorless or light yellow transparent liquid appearance
The relative density (d 204) 1.1147 ~ 1.1180
Boiling point quartile 241 ℃
Boiling cheng (distillate of 90% (volume) than 250 ℃; when
The flash point of 141 ℃

Product use:
Used for gas dehydrant and aromatic extraction solvent, also used as lubricant, softener and textile finishing agent, and plasticizer, humidification agent, sizing agent and the nitro cellulose, resin and oil and other solvents.

English name: Dichloromethane
English alias: Methylene chloride; Methane dichloride; Methylene dichloride; Narkotil; Plastisolve; R 30; Refrigerant 30; Solaesthin; Solmethine
CAS number: 75-09-2
EINECS number: 200-838-9
Molecular formula: CH2Cl2
Molecular weight: 84.93
Chemical properties:
Appearance and properties: colorless transparent liquid, a fragrant scent.
Melting point (℃) : 96.7
Boiling point (℃) : 39.8
The relative density (water = 1) : 1.33
Relative steam density (air = 1) : 2.93
Saturated steam pressure (kPa) : 30.55 (10 ℃)
Burning hot (kJ/mol) : 604.9
The critical temperature (℃) : 237
Critical pressure (MPa) : 6.08
Xinchun/water distribution coefficient on the numerical: 1.25
Ignition temperature (℃) : 615
Explosion limit % (V/V) : 19
Explosion limit % (V/V) : 12
Solubility: slightly soluble in water, but soluble in ethanol, ethyl ether.
Product use:
Used for resin and plastic industrial solvents. Widely used in medicine, plastic and film industry, etc.