Phosphonoacetic acid

磷酰基乙酸

Also known as: 2-phosphonoacetic acid, carboxymethylphosphonic acid, Fosfonet, Fosfonoacetic acid, Phosphonoethanoic acid, AURORA KA-1453

CAS No.
4408-78-0
Jingsj CID
J-50146-6
Molecular Formula
C2H5O5P
Chinese Name
磷酰基乙酸
Molecular Weight
140.03200 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point143-146 °C(lit.)
Boiling Point490.2ºC at 760mmHg
Density1.858g/cm3

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Phosphonoacetic acid?

4408-78-0

What are the molecular formula and molecular weight of Phosphonoacetic acid?

C2H5O5P, molecular weight 140.03200 g/mol

Is Phosphonoacetic acid hazardous?

Warning

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026