Polybutenes
ALDRICH/388726 - average Mn ~2,300 by VPO, isobutylene >90 %
CAS Number: 9003-29-6
MDL Number: MFCD00197897
Linear Formula: [-CH2C(CH3)2-]x[-CH2CH(C2H5)-]y
Product Type: Chemical
| composition | isobutylene, >90% |
| density | 0.908 g/mL at 25 °C |
| form | liquid |
| InChI | 1S/2C4H8/c2*1-3-4-2/h3-4H |
| InChI key | WTOOLIQYCQJDBG-BJILWQEISA |
| mol wt | average Mn ~2,300 by VPO |
| Quality Level | 100 ![]() |
| refractive index | n |
| SMILES string | CCC=C.CC=CC |
| transition temp | pour point (ASTM D 97) +18 °C |
| Tg −64.9 °C | |
| viscosity | 4,000-4,400 cSt(99 °C)(li |
| Application: | Hydrophobic material is derivatized to make detergents and anti-rust additives. Adds tack, flexibility and water repellency to adhesives and coatings. Contributes ′cling′ to LLDPE films. Plasticizer for polymers, lubricants and metal-working fluids. |
| Features and Benefits: | Tackiness increases with molecular weight. Some internal double bonds may be present. |
| Other Notes: | remainder 1- and 2-butenes |
| Packaging: | 1 L in poly bottle |
| Physical form: | Terminal vinyl group. |
| Symbol | ![]() GHS07,GHS08 |
| Signal word | Danger |
| Hazard statements | H304 - H315 |
| Precautionary statements | P264 - P280 - P301 + P310 - P302 + P352 - P331 - P332 + P313 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | 159.8 °F - closed cup |
| Flash Point(C) | 71 °C - closed cup |
| Density | 0.908 g/mL at 25 °C |
| Refractive Index | n |
| UNSPSC | 12162002 |



