tert-Butyllithium
Also known as: t-Butyllithium, Lithium tert-butyl, (1,1-Dimethylethyl)lithium, Lithium, (1,1-dimethylethyl)-, 2-Methyl-2-propyllithium
tert-Butyllithium (CAS 594-19-4) 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 boiling point of 36-40 °C, a density of 0.69 g/mL at 20 °C and a flash point of -6.7 °C. 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 Nov 2, 2026.
- CAS No.
- 594-19-4
- Jingsj CID
- J-1335343-0
- Molecular Formula
- C4H9Li
- Molecular Weight
- 64.05530 g/mol
- Category
- Organic Compounds
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 36-40 °C |
|---|---|
| Density | 0.69 g/mL at 20 °C |
| Flash Point | -6.7 °C |
| Exact Mass | 64.08640 |
| LogP | 1.75410 |
| Additional Property | ~3 (vs air) |
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
- H411 — Toxic to aquatic life with long lasting effects
Frequently Asked Questions
What is the CAS number of tert-Butyllithium?
The CAS number of tert-Butyllithium is 594-19-4.
What are the molecular formula and molecular weight of tert-Butyllithium?
tert-Butyllithium has molecular formula C4H9Li and molecular weight 64.05530 g/mol.
Is tert-Butyllithium hazardous?
tert-Butyllithium 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. "tert-Butyllithium (CAS 594-19-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1335343-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.