tert-Butyl isocyanide
Also known as: tert-Butylisonitrile, t-Butyl isocyanide, t-Butylisonitrile, 2-Isocyano-2-methylpropane, 2-Methyl-2-isocyanopropane, Propane, 2-isocyano-2-methyl-, (CH3)3CNC, tert-Butyl isonitrile
tert-Butyl isocyanide (CAS 7188-38-7) is a compound in the Nitrogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H9N and a molecular weight of 83.132 g/mol. Key properties include a boiling point of 91 °C(lit.), a density of 0.735 g/mL at 25 °C(lit.) and a flash point of -2 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour and H330 — Fatal if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 7188-38-7
- Jingsj CID
- J-1368155-9
- Molecular Formula
- C5H9N
- Molecular Weight
- 83.132 g/mol
- Category
- Nitrogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 91 °C(lit.) |
|---|---|
| Density | 0.735 g/mL at 25 °C(lit.) |
| Flash Point | -2 °C |
| Exact Mass | 83.073502 |
| LogP | 0.93490 |
| Refractive Index | n20/D 1.376(lit.) |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H330 — Fatal if inhaled
Customs & Trade Information
| HS Code | 2926909090 |
|---|---|
| Summary | HS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of tert-Butyl isocyanide?
The CAS number of tert-Butyl isocyanide is 7188-38-7.
What are the molecular formula and molecular weight of tert-Butyl isocyanide?
tert-Butyl isocyanide has molecular formula C5H9N and molecular weight 83.132 g/mol.
Is tert-Butyl isocyanide hazardous?
tert-Butyl isocyanide has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H330 — Fatal if inhaled.
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-Butyl isocyanide (CAS 7188-38-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1368155-9 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.