Propylene Glycol Suppliers, Propylene Glycol Manufacturers.
CAS No.: 57-55-6
Molecular weight: 76.095
Property: Clear colorless viscous liquid, sweet, odorless, hygroscopic, miscible with water, ethanol and commonly used organic solvents.
| Tests | USP Specifications | EP Specifications |
| Description
/ Appearance |
Colorless, viscous, clear hygroscopic liquid | Colorless, viscous, clear hygroscopic liquid |
| Identification | IR test | Refractive index: 1.431-1.433 Boiling point: 184-189癈 Melting point of residue: 123-128癈 |
| Assay (Purity) | 99.5% min | 99.5% min |
| Specific gravity | 1.035-1.037 g/cm3 at 25癈 | 1.035-1.040 g/cm3 at 20癈 |
| Index of refraction | 1.431-1.433 nD20 | 1.431-1.433 nD20 |
| Acidity | ≤0.20ml of 0.10 N NaOH | ≤0.05ml of 0.10 N NaOH |
| Water/Moisture | 0.2% max | 0.2% max |
| Residue on ignition | 3.5 mg max | 5 mg max |
| Sulfate | ≤0.30ml of 0.020 N sulfuric acid (0.006%) |
Not required |
| Chloride | ≤0.10ml of 0.020N HCl (0.007%) | Not required |
| Heavy metals | 5 ppm max | 5 ppm max(M/V) |
| Oxidizing substances |
Not required | ≤0.2ml Sodium thiosulfate 0.05 M |
| Reducing substances |
Not required | The solution is not yellow colored |
| Organic volatile impurities |
a. Chloroform: 60 ppm b. 1,4-dioxane: 380 ppm d. Methylene chloride: 600 ppm d. Trichloroethylene: 80 ppm |
Not required |
Company： |
DOWELL International Co., Ltd. |
E-mail： |
chem@netsun.com |
Address： |
NO.27 ZHENGDONG ROAD.ZHENJIANG CITY.JIANGSU PROVINCE.P.R.OF CHINA |
Zip Code： |
212001 |
Search Product