tert-Butyl but-3-yn-1-ylcarbamate
Also known as: tert-Butyl N-but-3-ynylcarbamate, N-Boc-but-3-yn-1-amine, Boc-but-3-yn-1-amine, N-Boc-3-butynylamine, N-Boc-4-amino-1-butyne, tert-Butoxycarbonylbut-3-yn-1-amine, But-3-ynylcarbamic acid tert-butyl ester, Carbamic acid, N-3-butyn-1-yl-, 1,1-dimethylethyl ester, Carbamic acid, 3-butynyl-, 1,1-dimethylethyl ester
tert-Butyl but-3-yn-1-ylcarbamate (CAS 149990-27-2) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C9H15NO2 and a molecular weight of 169.22100 g/mol. Key properties include a boiling point of 250.544ºC at 760 mmHg, a density of 0.977g/cm3 and a flash point of 105.326ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 149990-27-2
- Jingsj CID
- J-1466128-0
- Molecular Formula
- C9H15NO2
- Molecular Weight
- 169.22100 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 250.544ºC at 760 mmHg |
|---|---|
| Density | 0.977g/cm3 |
| Flash Point | 105.326ºC |
| Exact Mass | 169.11000 |
| PSA | 41.82000 |
| LogP | 1.73880 |
| Vapor Pressure | 0.022mmHg at 25°C |
| Refractive Index | 1.454 |
| Storage Conditions | 2-8°C |
Customs & Trade Information
| HS Code | 2924199090 |
|---|---|
| Summary | 2924199090. other acyclic amides (including acyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of tert-Butyl but-3-yn-1-ylcarbamate?
The CAS number of tert-Butyl but-3-yn-1-ylcarbamate is 149990-27-2.
What are the molecular formula and molecular weight of tert-Butyl but-3-yn-1-ylcarbamate?
tert-Butyl but-3-yn-1-ylcarbamate has molecular formula C9H15NO2 and molecular weight 169.22100 g/mol.
What are the upstream and downstream products of tert-Butyl but-3-yn-1-ylcarbamate?
For tert-Butyl but-3-yn-1-ylcarbamate, Upstream Products: Di-tert-butyl dicarbonate, BUT-3-YN-1-AMINE, 4-Pentynoic acid; Downstream Products: 3-Butyn-1-amine hydrochloride, tert-butyl 2,3-dihydro-1H-pyrrole-1-carboxylate.
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 but-3-yn-1-ylcarbamate (CAS 149990-27-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1466128-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.