Isobutyllithium
Also known as: Lithium 2-methyl-1-propanide, Isobutyllithium solution, 2-Methyl-1-propyllithium, Isobutyllithium, 1.6M solution in heptane, Isobutyllithium, 1.7M solution in heptane, Iso-Butyllithium 0.7M in hexanes, Isobutyllithium, 1.6M solution in heptane, AcroSeal, Lithium 2-methylpropan-1-ide
Isobutyllithium (CAS 920-36-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H9Li and a molecular weight of 64.05530 g/mol. Key properties include a density of 0.69 and a flash point of -4℃. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H250 and H260. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 920-36-5
- Jingsj CID
- J-40528-7
- Molecular Formula
- C4H9Li
- Molecular Weight
- 64.05530 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Density | 0.69 |
|---|---|
| Flash Point | -4℃ |
| Exact Mass | 64.08640 |
| LogP | 1.61000 |
| Appearance | Liquid | Yellow |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H250
- H260
- H304
- H314 — Causes severe skin burns and eye damage
- H336 — May cause drowsiness or dizziness
- H410 — Very toxic to aquatic life with long lasting effects
Frequently Asked Questions
What is the CAS number of Isobutyllithium?
The CAS number of Isobutyllithium is 920-36-5.
What are the molecular formula and molecular weight of Isobutyllithium?
Isobutyllithium has molecular formula C4H9Li and molecular weight 64.05530 g/mol.
Is Isobutyllithium hazardous?
Isobutyllithium has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H250; H260.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Isobutyllithium (CAS 920-36-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40528-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.