sec-Butyllithium
Also known as: s-Butyllithium, Butan-2-yllithium, (1-Methylpropyl)lithium, sec-BuLi
sec-Butyllithium (CAS 598-30-1) 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 0.769 g/mL at 25 °C and a flash point of -17.2 °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.
- 598-30-1
- Jingsj CID
- J-36374-6
- 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
| Density | 0.769 g/mL at 25 °C |
|---|---|
| Flash Point | -17.2 °C |
| Exact Mass | 64.08640 |
| LogP | 1.75410 |
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 sec-Butyllithium?
The CAS number of sec-Butyllithium is 598-30-1.
What are the molecular formula and molecular weight of sec-Butyllithium?
sec-Butyllithium has molecular formula C4H9Li and molecular weight 64.05530 g/mol.
Is sec-Butyllithium hazardous?
sec-Butyllithium has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H250; H260.
What are the upstream and downstream products of sec-Butyllithium?
For sec-Butyllithium, Upstream Products: 2-Chlorobutane, sec-Butylmagnesium chloride; Downstream Products: Morpholine-4-carbaldehyde, 3-Methyl-2-pentanone, 3,4-Dimethylhexane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "sec-Butyllithium (CAS 598-30-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36374-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.