Polythene Glycol 4000 1Kg
Polyethylene glycol 4000 for synthesis. CAS No. 25322-68-3, EC Number 500-038-2.
Manufacturer: Merck
Catalog ID: 807490.1000
Stock: In Stock
Description
| Catalogue Number | 807490 |
| Synonyms | Polyglycol, Polyethylene oxide, Polyoxy ethylene, PEG 4000 |
Product Information
| CAS number | 25322-68-3 |
| EC number | 500-038-2 |
| Hill Formula | HO(C₂H₄O)nH |
| Chemical formula | HO(C₂H₄O)nH |
| Molar Mass | 3500 - 4500 g/mol |
| HS Code | 3404 20 00 |
Applications
| Application | Polyethylene glycol 4000 for synthesis. CAS No. 25322-68-3, EC Number 500-038-2. |
Physicochemical Information
| Density | 1.2 g/cm3 (20 °C) |
| Flash point | 270 °C |
| Ignition temperature | >320 °C DIN 51794 |
| Melting Point | 53 - 58 °C |
| pH value | 5 - 7 (100 g/l, H₂O, 20 °C) |
| Vapor pressure | <0.01 hPa (20 °C) |
| Bulk density | 400 - 500 kg/m3 |
| Solubility | 500 g/l |
Toxicological Information
| LD 50 oral | LD50 Rat 28000 mg/kg |
| LD 50 dermal | LD50 Rabbit > 20000 mg/kg |
Storage and Shipping Information
| Storage | Store below +30°C. |
Specifications
| Hydroxyl value | 25 - 32 |
| Melting range (lower value) | ≥ 58 °C |
| Melting range (upper value) | ≤ 62 °C |
| Average molecular mass | 3500 - 4500 |
| Identity (IR) | passes test |
