polyisobutylene
聚异丁烯
Also known as: EINECS 204-066-3, MFCD00084436, POLY(ISOBUTYLENE) STANDARD 10'000 FOR &, POLY(ISOBUTYLENE) STANDARD 134`000, FOR GPC, POLY(ISOBUTYLENE) STANDARD 2'500 FOR &, POLY(ISOBUTYLENE) STANDARD 302'000 FOR&, POLY(ISOBUTYLENE) STANDARD 34'000 FOR &, POLY(ISOBUTYLENE) STANDARD 680, FOR, POLYISOBUTYLENE, AVERAGE MV CA. 1,200,00 0, POLYISOBUTYLENE, AVERAGE MV CA. 4,700,00 0, Poly(isobutylene), Polyisobutylene, poly(1,1-dimethylethylene)
polyisobutylene (CAS 9003-27-4) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H8 and a molecular weight of 56.10630 g/mol. It is also known as EINECS 204-066-3, MFCD00084436 and POLY(ISOBUTYLENE) STANDARD 10'000 FOR &. Key property: a density of 0.92 g/mL at 25 °C(lit.). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 9003-27-4
- Jingsj CID
- J-1347975-6
- Molecular Formula
- C4H8
- Chinese Name
- 聚异丁烯
- Molecular Weight
- 56.10630 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Density | 0.92 g/mL at 25 °C(lit.) |
|---|
Frequently Asked Questions
What is the CAS number of polyisobutylene?
The CAS number of polyisobutylene is 9003-27-4.
What are the molecular formula and molecular weight of polyisobutylene?
polyisobutylene has molecular formula C4H8 and molecular weight 56.10630 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "polyisobutylene (CAS 9003-27-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1347975-6 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.