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AR
LABOR
120602185
Ethylenediamine Tetraacetic Acid Disodium Salt Dihydrate 99% AR Grade Reagent
Cas Number:6381-92-6
Formula:C10H14N2Na2O8·2H2O
Molar Mass:372.24
EC Number:205-358-3
Physicochemical properties:
White crystalline powder. It is soluble in water, slightly soluble in ethanol.The pH of aqueous solution is about 5.3. The melting point is 252 ° C (decomposition). Low toxicity. The median lethal dose (rat, oral)is 2g/kg. Irritating.
Usage:
Reference reagent, equivalent solution. Complexes calcium, magnesium and other metal reagents. Metal masking agent. For molecular biology, it can inhibit the metal capacity of the enzyme, the calibration of the polyamide gel column, and the separation of oligonucleotides. Pharmaceutical additives.
Packing:
500g/25kg
Ethylenediamine Tetraacetic Acid Disodium Salt Dihydrate 99% AR Grade Reagent
Cas Number:6381-92-6
Formula:C10H14N2Na2O8·2H2O
Molar Mass:372.24
EC Number:205-358-3
Physicochemical properties:
White crystalline powder. It is soluble in water, slightly soluble in ethanol.The pH of aqueous solution is about 5.3. The melting point is 252 ° C (decomposition). Low toxicity. The median lethal dose (rat, oral)is 2g/kg. Irritating.
Usage:
Reference reagent, equivalent solution. Complexes calcium, magnesium and other metal reagents. Metal masking agent. For molecular biology, it can inhibit the metal capacity of the enzyme, the calibration of the polyamide gel column, and the separation of oligonucleotides. Pharmaceutical additives.
Packing:
500g/25kg
Item of Analysis | Standard |
Assay,% | 99.0 min |
pH(50g/L,25℃) | 4.0~5.0 |
Transparency of solution | to pass test |
Chloride(Cl),% | 0.005 max |
Sulfate(SO4) ,% | 0.02 max |
Iron(Fe),% | 0.001 max |
Heavy metals(as Pb),% | 0.001 max |
Item of Analysis | Standard |
Assay,% | 99.0 min |
pH(50g/L,25℃) | 4.0~5.0 |
Transparency of solution | to pass test |
Chloride(Cl),% | 0.005 max |
Sulfate(SO4) ,% | 0.02 max |
Iron(Fe),% | 0.001 max |
Heavy metals(as Pb),% | 0.001 max |
Symbol | |
Signal word | Warning |
Hazard statement | H303 |
H332 | |
H373 | |
Precautionary statements—Prevention | P260 |
P271 | |
Precautionary statements—Response | P304+P340+P312 |
P312 | |
UN No. | No information |
Flash point | 46.1°C |
Boiling point | 124.43°C |
Melting point | -81.5°C |
Symbol | |
Signal word | Warning |
Hazard statement | H303 |
H332 | |
H373 | |
Precautionary statements—Prevention | P260 |
P271 | |
Precautionary statements—Response | P304+P340+P312 |
P312 | |
UN No. | No information |
Flash point | 46.1°C |
Boiling point | 124.43°C |
Melting point | -81.5°C |