Ethylenediaminetetraacetic acid, EDTA, disodium salt, dihydrate, molecular biology grade
- 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 %
absorbance of an aqueous solution 0,1 M in a 1 cm cell at 260 nm: max. 0,2 AU
absorbance of an aqueous solution 0,1 M in a 1 cm cell at 280 nm: max. 0,02 AU
heavy metals (as Pb): max. 5 ppm
loss on drying (150ºC, 6 h): 9,0 - 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 %
absorbance of an aqueous solution 0,1 M in a 1 cm cell at 260 nm: max. 0,2 AU
absorbance of an aqueous solution 0,1 M in a 1 cm cell at 280 nm: max. 0,02 AU
heavy metals (as Pb): max. 5 ppm
loss on drying (150ºC, 6 h): 9,0 - 10,0 %
DNases, RNases, Proteases : non detected
x 100 g
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