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Ethylenediaminetetraacetic acid disodium salt

Also known as: Disodium EDTA, Edetate disodium, EDTA disodium salt, Disodium ethylenediaminetetraacetate, EDTA-Na2, EDTA-2Na, Disodium 2,2'-{1,2-ethanediylbis[(carboxymethyl)imino]}diacetate, Versene disodium, Sequestrene Na2, Titriplex III, Complexone III, Trilon BD, Chelaplex III, Idranal III, Wanklyn's EDTA

Ethylenediaminetetraacetic acid disodium salt (CAS 139-33-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H16N2Na2O8 and a molecular weight of 336.206 g/mol. Key properties include a melting point of 248 °C (dec.)(lit.), a boiling point of >100 °C, a density of 1.01 g/mL at 25 °C and a flash point of 325.2ºC. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.
139-33-3
Jingsj CID
J-1115702-1
Molecular Formula
C10H16N2Na2O8
Molecular Weight
336.206 g/mol
Category
Organic Acids
Last updated
11/3/2026
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Physicochemical Properties

Melting Point248 °C (dec.)(lit.)
Boiling Point>100 °C
Density1.01 g/mL at 25 °C
Flash Point325.2ºC
Exact Mass336.054565
PSA161.34000
Vapor Pressure1.15E-16mmHg at 25°C
Additional PropertyH2O: clear, colorless

GHS Safety & Compliance

CorrosionSignal word: Danger
  • H314 — Causes severe skin burns and eye damage

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 Ethylenediaminetetraacetic acid disodium salt?

The CAS number of Ethylenediaminetetraacetic acid disodium salt is 139-33-3.

What are the molecular formula and molecular weight of Ethylenediaminetetraacetic acid disodium salt?

Ethylenediaminetetraacetic acid disodium salt has molecular formula C10H16N2Na2O8 and molecular weight 336.206 g/mol.

Is Ethylenediaminetetraacetic acid disodium salt hazardous?

Ethylenediaminetetraacetic acid disodium salt has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.

What are the upstream and downstream products of Ethylenediaminetetraacetic acid disodium salt?

For Ethylenediaminetetraacetic acid disodium salt, Downstream Products: 2-(1,2-Benzisoxazol-3-yl)acetic acid, Carbon dioxide, sodium carbonate.

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

Last updated:

How to cite: Jingsj. "Ethylenediaminetetraacetic acid disodium salt (CAS 139-33-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1115702-1 (accessed 2026-11-09).

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