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2-azidoacetic acid

Also known as: azidoacetic acid, azide acetic acid, 2-azidoacetic acid, triazoacetic acid, azido acetic acid

2-azidoacetic acid (CAS 18523-48-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C2H3N3O2 and a molecular weight of 101.06400 g/mol. Key properties include a melting point of 13-15ºC, a boiling point of 98-100ºC 0,1mm and a flash point of >110 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.
18523-48-3
Jingsj CID
J-1963246-3
Molecular Formula
C2H3N3O2
Molecular Weight
101.06400 g/mol
Category
Organic Acids
Last updated
11/3/2026

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Physicochemical Properties

Melting Point13-15ºC
Boiling Point98-100ºC 0,1mm
Flash Point>110 °C
Exact Mass101.02300
PSA87.05000
Refractive Index1.47

GHS Safety & Compliance

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

Activity & Biological Data

Additional Information[1]. Ma Xin et al. Class of novel Smad3 protein degraders and application. Patent WO2022148459A1.

Customs & Trade Information

HS Code2929909090
Summary2929909090 other compounds with other nitrogen function 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 2-azidoacetic acid?

The CAS number of 2-azidoacetic acid is 18523-48-3.

What are the molecular formula and molecular weight of 2-azidoacetic acid?

2-azidoacetic acid has molecular formula C2H3N3O2 and molecular weight 101.06400 g/mol.

Is 2-azidoacetic acid hazardous?

2-azidoacetic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory 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. "2-azidoacetic acid (CAS 18523-48-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1963246-3 (accessed 2026-11-09).

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