propanediol
Negotiable /Metric Ton
Min.Order:16 Metric Tons
Henan Premtec Enterprise Corporation
Specifications
Contact | ≥99.5 |
Moisture (v/v), | ≤0.25 |
relative density,d204 | 1.050-1.056 |
Acid, | ≤2.5 |
Evaporation residue, | ≤0.005 |
Use ropylene glycol is colorless thick liquid with stable water adsorption. It is the material of unsaturated polyester resin, plasticizer, surfactant, emulsifier and deemulsifier, or used as antifungus agent, fruit ripener, preservative, antifreeze and humectant.
Packing 200kg drum, 215kg drum
Index | Pharmaceutical grade | Industrial top-grade | Industrial First grade |
Appearance | colorless transparent thick liquid | colorless transparent thick liquid | colorless transparent thick liquid |
Assay | 99.5 % min | 99.5 % min | 99.0% min |
Chroma(Pt-Co) | 10 max | 10 max | 16 max |
Density (20/25 °C) | 1.0350~1.0410 | 1.0350~1.0410 | 1.0350~1.0410 |
Refractive index(25°C) | 1.4307~1.4317 | 1.431~1.435 | 1.426~1.435 |
Distillation range, IBP | 184.0 °C min | 184.0 °C min | 183.0 °C min |
Distillation range, DP | 189.0 °C max | 190.0 °C max | 190.0 °C max |
IR Inspection | passed | -- | -- |
Moisture | 0.2wt% max | 0.1 wt% max | 0.2% max |
Alkalinity | 0.0020 wt% max | 0.0020 wt% | 0.01% max |
Chloride | 0.007 wt% max | -- | -- |
Sulfate | 0.006 wt% max | -- | -- |
Heavy metals | 5 ppm max | -- | -- |
Residue on ignition | 0.0070 wt% max | -- | -- |
Oxidizing substance | Not required | -- | -- |
reducing substances | Not required | -- | -- |
VOC-chloroform | 60 ppm max | -- | -- |
VOC-dioxane | 380 ppm max | -- | -- |
VOC-dichloromethane | 600 ppm max | -- | -- |
VOC-trichloromethane | 80 ppm max | -- | -- |