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1-Aminocyclobutanecarboxylic acid

Also known as: 1,1-ACCB, 1-AMINO-1-CYCLOBUTANECARBOXYLIC ACID, 1-AMINOCYCLOBUTANE-1-CARBOXYLIC ACID, 1-AMINO-CYCLOBUTANECARBOXYLIC ACID, ACBC, 1-Aminocyclobutan-1-carboxylic acid, 1-Amino-1-carboxycyclobutane, Cyclobutanecarboxylic acid, 1-amino-, MFCD00661068, aminocyclobutane carboxylic acid, ACBC-OH

1-Aminocyclobutanecarboxylic acid (CAS 22264-50-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H9NO2 and a molecular weight of 115.131 g/mol. Key properties include a melting point of 261ºC (dec.), a boiling point of 241.1±23.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 99.6±22.6 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful 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.
22264-50-2
Jingsj CID
J-5917-6
Molecular Formula
C5H9NO2
Molecular Weight
115.131 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point261ºC (dec.)
Boiling Point241.1±23.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point99.6±22.6 °C
Exact Mass115.063332
PSA63.32000
LogP-0.62
Vapor Pressure0.0±1.0 mmHg at 25°C
Refractive Index1.540

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Activity & Biological Data

Additional Information[1]. Atsushi Inanobe, et al. Mechanism of partial agonist action at the NR1 subunit of NMDA receptors. Neuron. 2005 Jul 7;47(1):71-84.

Customs & Trade Information

HS Code2922499990
SummaryHS:2922499990 other amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 1-Aminocyclobutanecarboxylic acid?

The CAS number of 1-Aminocyclobutanecarboxylic acid is 22264-50-2.

What are the molecular formula and molecular weight of 1-Aminocyclobutanecarboxylic acid?

1-Aminocyclobutanecarboxylic acid has molecular formula C5H9NO2 and molecular weight 115.131 g/mol.

Is 1-Aminocyclobutanecarboxylic acid hazardous?

1-Aminocyclobutanecarboxylic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

What are the upstream and downstream products of 1-Aminocyclobutanecarboxylic acid?

For 1-Aminocyclobutanecarboxylic acid, Upstream Products: 1-carbamoylcyclobutane-1-carboxylic acid; Downstream Products: Methyl 1-aminocyclobutanecarboxylate hydrochloride, 1-hydroxycyclobutane-1-carboxylic acid, N-Boc-1-aminocyclobutanecarboxylic acid.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1-Aminocyclobutanecarboxylic acid (CAS 22264-50-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5917-6 (accessed 2026-11-09).

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