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Ethylenediaminetetraacetic acid disodium salt CAS 139-33-3

Product name: Ethylenediaminetetraacetic acid disodium salt

CAS：139-33-3

MF： C10H14N2Na2O8

MW： 336.21

EINECS：205-358-3

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Model:
139-33-3
Brand:
futurechemical
Code:
139-33-3

Product Description

Product Description

Product name: Ethylenediaminetetraacetic acid disodium salt

CAS：139-33-3

MF： C10H14N2Na2O8

MW： 336.21

EINECS：205-358-3

Use:

1. Used as a color sensitive material for washing, processing, bleaching, and fixing solution

2. Used as a water purifier, pH regulator, chelating agent, multivalent chelating agent, and coagulant inhibitor

3. Used in textile printing and dyeing, detergents, metal coatings, and metallurgical industries.

4. Widely used as a food additive as a stabilizer, antioxidant, preservative, chelating agent

Specifications :

TEST ITEM

STANDARD SPECIFICATIONS

TEST RESULTS

CONCLUSI ON

PURITY

99.0%MIN

99.2%

QUALIFIED

CHLORIDE

0.01%MAX

0.005%

QUALIFIED

SULPHATE

0.05%MAX

0.02%

QUALIFIED

FE CONTENT%

0.001% MAX

0.0004%

QUALIFIED

HEAVY METAL(PB)

0.001%MAX

0.0004%

QUALIFIED

PH(1%SOLUTIO N)

4.0-5.0

4.32

QUALIFIED

CHELATE VALUE

260-290

266

QUALIFIED

APPEARANCE

WHITE POWDER

QUALIFIED

公司信息

Ethylenediaminetetraacetic acid disodium salt C10H14N2Na2O8 139-33-3

Quality Assurance

Full-Process Quality Control: From incoming raw material inspection to in-process monitoring and final outgoing checks, every batch is inspected at each production stage against strict acceptance standards.
Third-Party Certified & Tested: Our quality management system is certified to ISO 9001, and products are regularly tested by accredited laboratories (e.g. SGS, TÜV). Test reports are available on request.
100% Batch Traceability: Each batch carries a unique lot number that links raw material records, production parameters, and test results, enabling complete traceability from factory to final delivery.
Pre-Shipment Inspection: Every order passes a final pre-shipment inspection, with inspection photos and reports shared before dispatch.

FAQ From Customers

Q1: What is the minimum order quantity?

A: There is no quantity limit for the first sample or trial order. Just tell us the actual quantity you need.
Q2: How can I confirm that the quality meets the requirements?

A: Provide your specifications, and our technical team will check them or customize them for you; we can provide TDS, MSDS, and COA, and accept third-party testing.
Q3: How do you ensure stable quality?

A: We manufacture under an ISO 9001 quality system, test every batch before release, and retain samples for 24 months for traceability.
Q4: Do you provide samples?

A: Yes — Free samples are available; freight is at buyer's expense for express delivery.