tert-Butyl cyanoacetate
Also known as: tert-Butyl 2-cyanoacetate, 2-Methyl-2-propanyl cyanoacetate, Cyanoacetic acid tert-butyl ester, Acetic acid, 2-cyano-, 1,1-dimethylethyl ester, Acetic acid, cyano-, tert-butyl ester, EINECS 214-243-7, MFCD00001938, tert-Butylcyanacetat
tert-Butyl cyanoacetate (CAS 1116-98-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H11NO2 and a molecular weight of 141.168 g/mol. Key properties include a melting point of 107-108ºC, a boiling point of 194.6±8.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 79.0±5.2 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1116-98-9
- Jingsj CID
- J-3395-4
- Molecular Formula
- C7H11NO2
- Molecular Weight
- 141.168 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 107-108ºC |
|---|---|
| Boiling Point | 194.6±8.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 79.0±5.2 °C |
| Exact Mass | 141.078979 |
| PSA | 50.09000 |
| LogP | 0.76 |
| Vapor Pressure | 0.4±0.4 mmHg at 25°C |
| Refractive Index | 1.426 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
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 cyanoacetate?
The CAS number of tert-Butyl cyanoacetate is 1116-98-9.
What are the molecular formula and molecular weight of tert-Butyl cyanoacetate?
tert-Butyl cyanoacetate has molecular formula C7H11NO2 and molecular weight 141.168 g/mol.
Is tert-Butyl cyanoacetate hazardous?
tert-Butyl cyanoacetate has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of tert-Butyl cyanoacetate?
For tert-Butyl cyanoacetate, Upstream Products: Cyanoacetic acid, tert-Butanol, tert-Butyl bromoacetate; Downstream Products: tert-butyl 2-amino-4,5-dimethylthiophene-3-carboxylate, tert-butyl 2-aminothiophene-3-carboxylate, 2-Cyano-N-(4-methoxyphenyl)acetamide.
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 cyanoacetate (CAS 1116-98-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3395-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.