N-(phosphonomethyl)iminodiacetic acid

Also known as: PMIDA, N-(Carboxymethyl)-N-(phosphonomethyl)glycine, N-Phosphonomethyl aminodiacetic acid, N-(phosphonomethyl)iminodiacetic acid hydrate

N-(phosphonomethyl)iminodiacetic acid (CAS 5994-61-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H10NO7P and a molecular weight of 227.11 g/mol. Key properties include a melting point of 215 °C (dec.)(lit.), a boiling point of 585.9ºC at 760 mmHg, a density of 1.792 g/cm3 and a flash point of 308.2ºC. It is classified under GHS with signal word Danger and hazard statements H318 — Causes serious eye damage and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 5994-61-6
Jingsj CID: J-1306680-3
Molecular Formula: C₅H₁₀NO₇P
Molecular Weight: 227.11 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	215 °C (dec.)(lit.)
Boiling Point	585.9ºC at 760 mmHg
Density	1.792 g/cm3
Flash Point	308.2ºC
PSA	154.41000
Refractive Index	1.577

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

H318 — Causes serious eye damage
H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of N-(phosphonomethyl)iminodiacetic acid?

The CAS number of N-(phosphonomethyl)iminodiacetic acid is 5994-61-6.

What are the molecular formula and molecular weight of N-(phosphonomethyl)iminodiacetic acid?

N-(phosphonomethyl)iminodiacetic acid has molecular formula C5H10NO7P and molecular weight 227.11 g/mol.

Is N-(phosphonomethyl)iminodiacetic acid hazardous?

N-(phosphonomethyl)iminodiacetic acid has GHS signal word Danger and hazard statements H318 — Causes serious eye damage; H335 — May cause respiratory irritation.

What are the upstream and downstream products of N-(phosphonomethyl)iminodiacetic acid?

For N-(phosphonomethyl)iminodiacetic acid, Upstream Products: Formaldehyde, Iminodiacetic acid, Phosphorous acid; Downstream Products: Formic Acid, (Aminomethyl)phosphonic acid, Glyphosate.

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. "N-(phosphonomethyl)iminodiacetic acid (CAS 5994-61-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1306680-3 (accessed 2026-11-09).

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