Isobutyl nitrate
硝酸异丁酯
Also known as: 2-methylpropyl nitrate, Nitric acid, 2-methylpropyl ester, Nitric acid, isobutyl ester, 2-Methyl-1-propyl nitrate, 2-methyl-1-nitrooxy-propane, Isobutylnitrate
Isobutyl nitrate (CAS 543-29-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H9NO3 and a molecular weight of 119.11900 g/mol. It is also known as 2-methylpropyl nitrate, Nitric acid, 2-methylpropyl ester and Nitric acid, isobutyl ester. Key properties include a melting point of -111.59°C (estimate), a boiling point of 124.3ºC at 760mmHg, a density of 1.044g/cm3 and a flash point of 40.9ºC. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H302 — Harmful if swallowed and H312 — Harmful in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 543-29-3
- Jingsj CID
- J-24421-3
- Molecular Formula
- C4H9NO3
- Chinese Name
- 硝酸异丁酯
- Molecular Weight
- 119.11900 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -111.59°C (estimate) |
|---|---|
| Boiling Point | 124.3ºC at 760mmHg |
| Density | 1.044g/cm3 |
| Flash Point | 40.9ºC |
| Exact Mass | 119.05800 |
| PSA | 55.05000 |
| LogP | 1.37390 |
| Refractive Index | n20/D 1.402(lit.) |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H332 — Harmful if inhaled
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2920909090 |
|---|---|
| Summary | 2920909090 esters of other inorganic acids of non-metals (excluding esters of hydrogen halides) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Isobutyl nitrate?
The CAS number of Isobutyl nitrate is 543-29-3.
What are the molecular formula and molecular weight of Isobutyl nitrate?
Isobutyl nitrate has molecular formula C4H9NO3 and molecular weight 119.11900 g/mol.
Is Isobutyl nitrate hazardous?
Isobutyl nitrate has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H302 — Harmful if swallowed; H312 — Harmful in contact with skin.
What are the upstream and downstream products of Isobutyl nitrate?
For Isobutyl nitrate, Upstream Products: 2-Methyl-1-propanol; Downstream Products: 1-Nitro-9H-carbazole, Isobutyraldehyde.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Isobutyl nitrate (CAS 543-29-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24421-3 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.