Isobutyl formate
Also known as: Formic acid isobutyl ester, 2-Methylpropyl formate, Isobutyl methanoate, 2-Methyl-1-propyl formate, Tertyl formate, 2-Methylpropyl methanoate
Isobutyl formate (CAS 542-55-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H10O2 and a molecular weight of 102.13200 g/mol. Key properties include a melting point of -96 °C, a boiling point of 98.4 °C(lit.), a density of 0.885 g/mL at 25 °C(lit.) and a flash point of 10.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 542-55-2
- Jingsj CID
- J-12398-8
- Molecular Formula
- C5H10O2
- Molecular Weight
- 102.13200 g/mol
- Category
- Organic Acids
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -96 °C |
|---|---|
| Boiling Point | 98.4 °C(lit.) |
| Density | 0.885 g/mL at 25 °C(lit.) |
| Flash Point | 10.0 °C |
| Exact Mass | 102.06800 |
| PSA | 26.30000 |
| LogP | 1.45130 |
| Additional Property | 3.52 (vs air) |
| Refractive Index | n20/D 1.385(lit.) |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2915120000 |
|---|---|
| Summary | 2915120000 salts of formic acid。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Isobutyl formate?
The CAS number of Isobutyl formate is 542-55-2.
What are the molecular formula and molecular weight of Isobutyl formate?
Isobutyl formate has molecular formula C5H10O2 and molecular weight 102.13200 g/mol.
Is Isobutyl formate hazardous?
Isobutyl formate has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of Isobutyl formate?
For Isobutyl formate, Upstream Products: 2-Methyl-1-propanol, Formic Acid, Isobutyl vinyl ether; Downstream Products: 1-ethoxy-2-methylpropane, 1,4-Di-tert-butylbenzene, Methyl benzoate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Isobutyl formate (CAS 542-55-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-12398-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.