Ethylenediaminetetraacetic Acid Disodium Salt Solution 0.01M (0.02N),

Ethylenediaminetetraacetic Acid Disodium Salt Solution 0.01M (0.02N), NIST Standard Concentrate, Fisher Chemical™

Application
Certified NIST-traceable standard for precise volumetric analysis, complexometric titrations, and calibration of EDTA-dependent assays in environmental, pharmaceutical, and industrial quality control workflows.

Product Details

• CAS: 139-33-3

• Molecular Formula: C₁₀H₁₄N₂Na₂O₈

• IUPAC Name: Disodium 2-[2-[bis(carboxylatomethyl)azaniumyl]ethyl-(carboxylatomethyl)azaniumyl]acetate

• Synonyms: EDTA disodium salt, edta na2, disodium EDTA

• Concentration: 0.01M (0.02N)

• Physical Form: Colorless liquid

• Packaging: 6 ampoules

• Molecular Weight: 336.21 g/mol

• SMILES: [Na+].[Na+].OC(=O)CN(CCN(CC(O)=O)CC([O-])=O)CC([O-])=O

• InChI Key: ZGTMUACCHSMWAC-UHFFFAOYSA-L

• MDL Numbers: MFCD00070672, MFCD00003541, MFCD00150037

• PubChem CID: 57339238

• ChEBI ID: CHEBI:64734

Key Features

• NIST-traceable: Certified for accuracy in standardization and calibration.

• Precision formulation: Ensures reproducibility in titrations (e.g., water hardness testing).

• Ampoule packaging: Minimizes contamination and extends shelf life.

• Wide compatibility: Suitable for buffered and unbuffered analytical systems.

Safety and Handling

• Hazard Statements:

  • H315: Causes skin irritation.

  • H319: Causes serious eye irritation.

• Precautionary Measures:

  • P264: Wash hands thoroughly after handling.

  • P280: Wear protective gloves/eye protection.

  • P302+P352: If on skin, wash with plenty of water.

  • P305+P351+P338: If in eyes, rinse cautiously with water for several minutes.

• Storage: Store at room temperature in original ampoules.