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tert-Butyl (2-(2-hydroxyethoxy)ethyl)carbamate

Also known as: 2-(2-Boc-aminoethoxy)ethanol, Boc-2-(2-aminoethoxy)ethanol, tert-butyl N-[2-(2-hydroxyethoxy)ethyl]carbamate, 2-(2-tert-butyloxycarbonylaminoethoxy)ethanol, BocNH-PEG2-OH, N-Boc-2-(2-hydroxyethoxy)ethylamine, 2-[2-(Boc-amino)ethoxy]ethanol, Carbamic acid, N-[2-(2-hydroxyethoxy)ethyl]-, 1,1-dimethylethyl ester

tert-Butyl (2-(2-hydroxyethoxy)ethyl)carbamate (CAS 139115-91-6) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C9H19NO4 and a molecular weight of 205.251 g/mol. Key properties include a boiling point of 332.9±22.0 °C at 760 mmHg, a density of 1.061 g/mL at 25 °C and a flash point of 155.1±22.3 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
139115-91-6
Jingsj CID
J-1984070-1
Molecular Formula
C9H19NO4
Molecular Weight
205.251 g/mol
Category
Solvents
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point332.9±22.0 °C at 760 mmHg
Density1.061 g/mL at 25 °C
Flash Point155.1±22.3 °C
Exact Mass205.131409
PSA67.79000
LogP0.41
Vapor Pressure0.0±1.6 mmHg at 25°C
Refractive Index1.454
Storage Conditions2-8°C

GHS Safety & Compliance

Acute ToxicitySignal word: Danger
  • H301 — Toxic if swallowed
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation

Activity & Biological Data

TargetAlkyl/ether
Additional Information[1]. An S, et al. Small-molecule PROTACs: An emerging and promising approach for the development of targeted therapy drugs. EBioMedicine. 2018 Oct;36:553-562.

Customs & Trade Information

HS Code2924199090
Summary2924199090. 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 (2-(2-hydroxyethoxy)ethyl)carbamate?

The CAS number of tert-Butyl (2-(2-hydroxyethoxy)ethyl)carbamate is 139115-91-6.

What are the molecular formula and molecular weight of tert-Butyl (2-(2-hydroxyethoxy)ethyl)carbamate?

tert-Butyl (2-(2-hydroxyethoxy)ethyl)carbamate has molecular formula C9H19NO4 and molecular weight 205.251 g/mol.

Is tert-Butyl (2-(2-hydroxyethoxy)ethyl)carbamate hazardous?

tert-Butyl (2-(2-hydroxyethoxy)ethyl)carbamate has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

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 (2-(2-hydroxyethoxy)ethyl)carbamate (CAS 139115-91-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1984070-1 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.