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| Feature | Good stability |
| Classification | Paint Additives |
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Poly(tetramethylene ether)glycol is a product obtained from the polymerization reaction catalyzed by THF under acid catalyst, and it is a chained bisol with tetramethylene ether repeating connection.
| Name | terathane(R) 1400 |
| Synonyms | PTMG b2000 PTMEG polifurit hiprenemc532 Terathane 1400 terathane(R) 1400 poly(butyleneoxide) Poly(tetrahydrofuran) (2S)-2-butoxybutan-1-ol glycols,polytetramethylene poly(oxy-1,4-butylene)glycol alpha-hydro-omega-hydroxy-poly(oxy-4-butanediyl) terathane 2000 polyether glycol (poly-tetrahydrof 4-butanediyl),.alpha.-hydro-.omega.-hydroxy-poly(oxy-1 |
| CAS | 25190-06-1 |
| EINECS | 607-637-9 |
| InChI | InChI=1/C8H18O2/c1-3-5-6-10-8(4-2)7-9/h8-9H,3-7H2,1-2H3/t8-/m0/s1 |
| Molecular Formula | C16H33O5X2 |
| Molar Mass | 305.43 |
| Density | 1g/mLat 25°C |
| Melting Point | 33-36°C |
| Boling Point | 195.7°C at 760 mmHg |
| Flash Point | >230°F |
| Vapor Presure | <0.01 mm Hg ( 25 °C) |
| Specific Gravity | 0.961 |
| PH | 7 (H2O, 20℃)Aqueous solution |
| Storage Condition | Store below +30°C. |
| Refractive Index | n20/D 1.465 |
| Physical and Chemical Properties | Polytetrahydrofuran is a white waxy solid that dissolves readily in alcohols, esters, ketones, aromatic hydrocarbons, and chlorinated hydrocarbons, and is insoluble in ester hydrocarbons and water, and becomes a transparent liquid when the temperature exceeds room temperature. |
| Hazard Symbols | Xi – Irritant |
| Risk Codes | 36/37/38 – Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 – Wear suitable protective clothing. |
| WGK Germany | 1 |
| RTECS | MD0916000 |
| HS Code | 3907 20 20 |
| Toxicity | LD50 orally in Rabbit: > 5000 mg/kg |
| Category | Specifications |
|---|---|
| Chemical Name | Polytetramethylene Ether Glycol |
| CAS No. | 25190-06-1 |
| Molecular Formula | HO-(CH₂CH₂CH₂CH₂O)ₙ-H |
| Appearance | Colorless to pale yellow viscous liquid |
| Molecular Weight | 650-3000 g/mol (customizable) |
| Hydroxyl Value | 28-112 mg KOH/g |
| Viscosity (40°C) | 50-3000 mPa·s |
| Property | Performance Data |
|---|---|
| Thermal Stability | Stable up to 200°C |
| Hydrolysis Resistance | Excellent (pH 4-9) |
| Low-Temperature Flexibility | Retains elasticity below -50°C |
| Compatibility | Soluble in polar solvents (e.g., THF, DMF) |
| Industry | Primary Uses |
|---|---|
| Spandex Fibers | Lycra, elastane production |
| Polyurethanes | TPU for footwear, automotive parts |
| Coatings | High-performance elastomeric coatings |
| Adhesives | Flexible sealants |
| Parameter | Requirements |
|---|---|
| Flash Point | >200°C |
| GHS Classification | Non-hazardous |
| Storage | Sealed, dry, 10-30°C |
| Shelf Life | 24 months |
References:
Polyurethane Handbook (2nd Ed.) – G. OertelASTM D4274 – Polyol Hydroxyl NumberDeclaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.
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