The corresponding substance of CAS 64-02-8 is tetrasodium ethylenediaminetetraacetic acid (EDTA), which is a highly efficient water-soluble metal chelating agent with a molecular formula of C ₁₀ H ₁₂ N ₂ Na ₄ O ₈ and a molecular weight of 380.17.

Core Information
-Chinese name: Tetrasodium EDTA (alias: Tetrasodium EDTA) Sodium edetate）
-CAS number: 64-02-8
-Molecular formula: C ₁₀ H ₁₂ N ₂ Na ₄ O ₈
-Molecular weight: 380.17
-Appearance: White crystalline powder, odorless and tasteless
-Solubility: Easily soluble in water (aqueous solution is alkaline, 1% solution pH ≈ 11.8), insoluble in organic solvents such as ethanol and ether
-Main function: Strong chelation of various metal ions such as calcium, magnesium, iron, copper, etc., softening water quality, stabilizing formula, anti-oxidation and anti change effects

Main application areas
1. Industrial manufacturing: electroplating complexing agents, textile printing and dyeing soft water agents and additives, papermaking for removing metal impurities, rubber polymerization initiators/terminators
2. Daily chemical products: water softeners and ingredient stabilizers in shampoo, shower gel, and cosmetics
3. Food industry: Legitimate food additives (chelating agents), inhibit oil oxidation and browning, extend shelf life (must comply with national standards for adding limits)
4. Medicine and testing: drug stabilizers, topical transdermal enhancers, blood anticoagulants (combined with calcium ions)
5. Chemical analysis: Coordination titration standard reagent, used for accurate determination of various metal ion contents

Safety and Storage
-Toxicity: Low toxicity, but slightly irritating to eyes and skin (risk code R36/38)
-Storage conditions: Sealed, stored in a cool, dry place away from light
-Attention: Some materials mistakenly label dihydrate or other salt forms as this CAS. Please check the molecular formula and anhydrous/hydrated state when confirming purchase. 64-02-8 specifically refers to the main body of tetrasodium salt (often containing crystal water but CAS remains unchanged)

Products :

CAS 64-02-8 EDTA.Na4 (Tetrasodium EDTA, Sodium edetate)
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