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| Polypropylene glycol appears as a transparent, colorless, or essentially colorless viscous liquid. Divided into three types based on average molecular weights of 425, 1025, and 2025. Not volatile. Soluble in water (low molecular weight) and organic solvents such as aliphatic ketones and alcohols, insoluble in ether and most aliphatic hydrocarbons. | |||||||||
25322-69-4
bosschem
25322-69-4
Poly(propylene glycol) (PPG)
CAS 25322-69-4
Alais: /
Molecular formula: CH4
Molecular weight: 16.04246
Structural formula:
CH4
2. Technical indicators
| Item | Appearance | Colour | Hydroxyl Value | M/W | Acid value | Moisture, % | pH |
| (25℃) | Pt-Co | mgKOH/g | mgKOH/g | ||||
| PPG-200 | Colorless transparent oily viscous liquid | ≤20 | 510~623 | 180~220 | ≤0.5 | ≤0.5 | 5.0~7.0 |
| PPG-400 | Colorless transparent oily viscous liquid | ≤20 | 255~312 | 360~440 | ≤0.5 | ≤0.5 | 5.0~7.0 |
| PPG-600 | Colorless transparent oily viscous liquid | ≤20 | 170~208 | 540~660 | ≤0.5 | ≤0.5 | 5.0~7.0 |
| PPG-1000 | Colorless transparent oily viscous liquid | ≤20 | 102~125 | 900~1100 | ≤0.5 | ≤0.5 | 5.0~7.0 |
| PPG-1500 | Colorless transparent oily viscous liquid | ≤20 | 68~83 | 1350~1650 | ≤0.5 | ≤0.5 | 5.0~7.0 |
| PPG-2000 | Colorless transparent oily viscous liquid | ≤20 | 51~62 | 1800~2200 | ≤0.5 | ≤0.5 | 5.0~7.0 |
| PPG-3000 | Colorless transparent oily viscous liquid | ≤20 | 34~42 | 2700~3300 | ≤0.5 | ≤0.5 | 5.0~7.0 |
| PPG-4000 | Colorless transparent oily viscous liquid | ≤20 | 26~30 | 3700~4300 | ≤0.5 | ≤0.5 | 5.0~7.0 |
| PPG-6000 | Colorless transparent oily viscous liquid | ≤20 | 17~20.7 | 5400~6600 | ≤0.5 | ≤0.5 | 5.0~7.0 |
| PPG-8000 | Colorless transparent oily viscous liquid | ≤20 | 12.7~15 | 7200~8800 | ≤0.5 | ≤0.5 | 5.0~7.0 |
3. Packaging and storage
Package: 200kg/bag
Storage : The storage conditions for polypropylene glycol (PPG) mainly include keeping its packaging clean, dry, sealed, and leak free, and keeping it away from sunlight, rain, and sources of fire
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