Hangzhou Zanyu Oleo-Technology Co.,Ltd.(Hangzhou Oleochemicals Co., Ltd.) is reformed from Hangzhou Oil and Fat Chemical Factory in 2000. 
Hangzhou Oil and Fat Chemical Factory was a state owned enterprise, which was established by former Ministry of Light industry of China in January, 1973. 
Company for the Chinese food additives industry top 100 enterprises, China Association of detergents and oil chemical branch president units, Zhejiang Province, the first batch of standard innovative enterprises..
In 2010 the company moved to the overall ring Hangzhou Bay Industrial Zone with advanced manufacturing base - Linjiang Industrial Park
Company advanced production technology, high-quality, various economic and technical indicators in the same industry-leading position..
Home > Product > Glycerin
CAS No.: 56-81-5
Structural formula:
Standard: GB/T13206-2011
Properties and Uses
Properties: Colorless or yellowish transparent sticky liquid. No suspension and peculiar smell.
Uses: widely used in cosmetics, food emulsifier, medicine and food industry as additive.
Physical and chemical index
| Item | Index | ||
| Top grade | First grade | Second grade | |
| Appearance | transparent without suspended substance | transparent without suspended substance | transparent without suspended substance |
| Odor | no unpleasant odor | no unpleasant odor | no unpleasant odor |
| Chroma, Hazen ≤ | 20 | 30 | 30 |
| Assay, % ≥ | 99.5 | 98.0 | 95.0 |
| Density (20ºC), g/ml ≥ | 1.2598 | 1.2559 | 1.2481 |
| Chloride (as Cl), % ≤ | 0.001 | 0.01 | - |
| Sulfatizing ash, % ≤ | 0.01 | 0.01 | 0.05 |
| Acidity or Alkalinity, mmol/100g ≤ | 0.050 | 0.10 | 0.30 |
| Saponification equivalent, mmol/100g ≤ | 0.40 | 1.0 | 3.0 |
| Arsenic (as As), mg/kg ≤ | 2 | 2 | - |
| Heavy metals (as Pb), mg/kg ≤ | 5 | 5 | - |
| Reductive matter | no precipitation or silver mirror | no precipitation or silver mirror | - |
Packing: clean & dry plastic drum, or Galvanized steel drum.
