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Ethylenediaminetetraacetic Acid Disodium Salt

Ethylenediaminetetraacetic Acid Disodium Salt

CAS No.: 139-33-3
Molecular Formula: C10H14N2Na2O8
Molecular Weight: 336.21
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Product Details

Ethylenediaminetetra-acetic acid (abbreviated as EDTA) is used in several industrial applications attributing to its high ability to bind to most of metal cations.  EDTA is produced as several salts, e.g. ethylenediaminetetra-acetic acid disodium salt (EDTAS). EDTA and its salts are used as chelating agents in cosmetic formulations.


Chemical Properties

PropertyValue

Melting point

248 °C (dec.)(lit.)

Boiling point

>100 °C

Density

1.01 g/mL at 25 °C

Vapor pressure

0Pa at 25℃

Refractive index

n20/D 1.363

Storage temp.

2-8°C

Solubility

H2O: clear, colorless

Form

Solution

Color

≤5 (0.5 M)(APHA)

PH

8.0±0.2

Odor

at 100.00?%. odorless

Water Solubility

Miscible with water.

BRN

3822669

Stability:

Hygroscopic

LogP

-4.3 at 25℃

CAS DataBase Reference

139-33-3(CAS DataBase Reference)

EPA Substance Registry System

Ethylenediaminetetraacetic acid disodium salt (139-33-3)

Absorption

cut-off at 268nm


Safety Information

PropertyValue

Hazard Codes

Xn,C

Risk Statements

36/38-36/37/38-22-34-21/22

Safety Statements

26-36-37/39-45-36/37/39-36/37

WGK Germany

2

RTECS

AH4410000

TSCA

Yes

HS Code

29224999

Hazardous Substances Data

139-33-3(Hazardous Substances Data)

Toxicity

mouse,LD50,intraperitoneal,260mg/kg (260mg/kg), Nippon Yakurigaku Zasshi. Japanese Journal of Pharmacology. Vol. 52, Pg. 126S, 1956.


Product Usage

EDTA disodium salt, a versatile chelating agent, is widely utilized for its exceptional ability to sequester divalent metal ions, particularly calcium and magnesium. In the pharmaceutical and cosmetic industries, it is an essential stabilizer and preservative booster, preventing the oxidative degradation of active ingredients caused by trace metal impurities. Its primary application in food and beverage is to maintain color, flavor, and clarity by inhibiting enzyme-catalyzed oxidation. In laboratory settings, it is a standard reagent for complexometric titrations and biochemical assays. Furthermore, it is extensively used in industrial cleaning and water treatment to prevent scale formation and in the textile industry to ensure consistent dyeing by removing metal interference from processing water.

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FAQ

Q1: What international standards do your products and services comply with?

A1: Our products fully comply with international standards such as REACH, MSDS, and COA, and we strictly implement the ISO9001 quality management system. We can also provide third-party testing reports (SGS, BV, etc.) according to customer needs.


Q2: How long does it take for goods to be delivered to my country?
A2: The delivery time depends on the transport mode and destination country. Generally, sea transport takes 15-30 days, air transport takes 3-7 days, and we will optimize the transport route to shorten the delivery time as much as possible.


Can you provide customs clearance services for dangerous chemicals?
A3: Yes. Our team is proficient in the customs clearance procedures for dangerous chemicals in various countries, and can provide professional compliant declaration and customs clearance services to ensure smooth customs clearance.


Q4: Do you provide customized product and service solutions?
A4: Yes. We can provide personalized product customization and export service solutions according to your specific needs (product specifications, application scenarios, procurement volume, etc.).

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