(Boc-aminooxy)acetic acid

Also known as: 2-(((tert-Butoxycarbonyl)amino)oxy)acetic acid, 2-[(2-methylpropan-2-yl)oxycarbonylamino]oxyacetic acid, Acetic acid, 2-[[[(1,1-dimethylethoxy)carbonyl]amino]oxy]-, N-Boc-(carboxymethoxy)amine, [(tert-Butoxycarbonyl)aminooxy]acetic acid, [({[(2-Methyl-2-propanyl)oxy]carbonyl}amino)oxy]acetic acid, {[(tert-Butoxycarbonyl)amino]oxy}acetic acid, MFCD01632027

(Boc-aminooxy)acetic acid (CAS 42989-85-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H13NO5 and a molecular weight of 191.18 g/mol. Key properties include a melting point of ~115 °C (dec.) and a density of 1.2±0.1 g/cm3. 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 Aug 21, 2026.

CAS No.: 42989-85-5
Jingsj CID: J-1991195-6
Molecular Formula: C₇H₁₃NO₅
Molecular Weight: 191.18 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	~115 °C (dec.)
Density	1.2±0.1 g/cm3
Exact Mass	191.079376
PSA	84.86000
LogP	1.04
Refractive Index	1.460

GHS Safety & Compliance

IrritantSignal word: Warning

H315 — Causes skin irritation
H319 — Causes serious eye irritation
H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of (Boc-aminooxy)acetic acid?

The CAS number of (Boc-aminooxy)acetic acid is 42989-85-5.

What are the molecular formula and molecular weight of (Boc-aminooxy)acetic acid?

(Boc-aminooxy)acetic acid has molecular formula C7H13NO5 and molecular weight 191.18 g/mol.

Is (Boc-aminooxy)acetic acid hazardous?

(Boc-aminooxy)acetic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of (Boc-aminooxy)acetic acid?

For (Boc-aminooxy)acetic acid, Upstream Products: Di-tert-butyl dicarbonate, (Aminooxy)acetic acid hemihydrochloride, tert-Butyl N-hydroxycarbamate.

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

Last updated: 8/21/2026

How to cite: Jingsj. "(Boc-aminooxy)acetic acid (CAS 42989-85-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991195-6 (accessed 2026-11-09).

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