Ethylenediaminetetraacetic acid, EDTA, disodium salt, dihydrate, for molecular biology
- C10H14N2Na2O8·2H2O
- M = 372,24 g/mol
- CAS [6381-92-6]
- EINECS-No.: 205-358-3
- Solub. in water: (20 ºC): 100 g/l
- Melting point: 252 ºC (decomposes)
- LD 50 (oral, rat): 2000 mg/kg
- GHS-signal word: Warning
- GHS-H sentences: H332 - H373 - -
- GHS-P sentences: P260 - P271 - P304+P340 - P312 - P314 - P501a
- Tariff number: 2922 49 95 90
- Applications: analytical chemistry, sequestering agent.
SPECIFICATIONS
assay (complexometric, referred to dried sample): min. 99 % :
pH (5 %, H2O, 25 °C): 4 - 5
chlorides (Cl): max. 0,0005 %
sulfates (SO4): max. 0,01 %
arsenic (As): max. 0,0005 %
copper (Cu): max. 0,001 %
iron (Fe): max. 0,001 %
lead (Pb): max. 0,001 %
loss on drying (150ºC, 6 h): max. 10,0 %
DNases, RNases, Proteases : non detected
- Synonyms: Edetic acid disodium salt, Disodium dihydrogen ethylenediaminetetraacetate
- C10H14N2Na2O8·2H2O
- M = 372,24 g/mol
- CAS [6381-92-6]
- EINECS-No.: 205-358-3
- Solub. in water: (20 ºC): 100 g/l
- Melting point: 252 ºC (decomposes)
- LD 50 (oral, rat): 2000 mg/kg
- GHS-signal word: Warning
- GHS-H sentences: H332 - H373 - -
- GHS-P sentences: P260 - P271 - P304+P340 - P312 - P314 - P501a
- Tariff number: 2922 49 95 90
- Applications: analytical chemistry, sequestering agent.
SPECIFICATIONS
assay (complexometric, referred to dried sample): min. 99 % :
pH (5 %, H2O, 25 °C): 4 - 5
chlorides (Cl): max. 0,0005 %
sulfates (SO4): max. 0,01 %
arsenic (As): max. 0,0005 %
copper (Cu): max. 0,001 %
iron (Fe): max. 0,001 %
lead (Pb): max. 0,001 %
loss on drying (150ºC, 6 h): max. 10,0 %
DNases, RNases, Proteases : non detected
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