Ethylene diamine tetraacetic acid tetrasodium salt, EDTA 4NA
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Product name: EDTA-4Na(Ethylene diamine tetraacetic acid tetrasodium salt, EDTA Na4, EDTA 4Na)
CAS No.: 13235-36-4
Molecular Formula:C10H12N2O8Na4•4H2O
Molecular Weight:452.23
Structural Formula:
Specifications:
Iterms |
EDTA-4Na standard |
Content % |
≥99.0 |
Chloride (as Cl) % |
≤ 0.05 |
Sulfate (as SO4))% |
≤ 0.05 |
Heavy metal (as Pb) % |
≤ 0.001 |
Iron (as Fe) % |
≤ 0.001 |
Chelation value: mg CaCO3/g |
≥ 215 |
PH (5% aqueous solution) |
10.5-11.5 |
Appearance |
White crystal powder |
Package |
25kg/bag or according to customer requirements |
Storage |
Store in a dry and ventilated warehouse, avoid direct sunlight, stack lightly |
Properties
This product is a white crystalline powder containing 4 crystal waters, easily soluble in water, the aqueous solution is alkaline, slightly soluble in organic solvents such as ethanol, and can lose part or all of the crystal water at high temperature.
Main usages:
EDTA-4Na is a widely used metal ion chelator. It can be used for dyeing in textile industry, water quality treatment, color sensitization, medicine, daily chemical industry, papermaking and other industries, as additive, activator, water purifier, metal ion masking agent and activator in styrene-butadiene rubber industry. In the dry-laid acrylic industry, it can offset metal interference, improve the color and brightness of dyed fabrics, and can also be used in liquid detergents to improve the washing quality and enhance the washing effect.
Package:
Environmentally friendly composite paper lined with plastic bags, barrels with inner plastic bags.
Storage:
Pay attention to sun protection, moisture-proof and fireproof. Store according to the requirements of non-dangerous goods.
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