Ethylenedinitrilotetraacetic acid dipotassium salt dihydrate ( 钾金属钳合剂 (EDTA) )

产品名称：Ethylenedinitrilotetraacetic acid dipotassium salt dihydrate ( 钾金属钳合剂 (EDTA) )
产品货号：1048190100,1048191000,1048199025
产品包装：Plastic bottle/Plastic bottle/Fibre carton
产品规格： 100 g/1 kg/25 kg

产品信息 
Synonyms  Ethylenedinitrilotetraacetic acid dipotassium salt, Titriplex® Potassium salt 
Hill Formula  C10H14K2N2O8 * 2H2O 
HS Code  2922 49 85 
EC number  217-895-0 
Molar mass  404.47 g/mol 
CAS number  25102-12-9 
化学及物理数据 
Solubility  (20 °C) soluble 
Melting point  272 °C 
Molar mass  404.47 g/mol 
Bulk density  310 kg/m3 
pH value  4 - 5 (50 g/l, H2O, 20 °C) 
Vapor pressure  (20 °C) 
**标示 
Storage class  10 - 13 Other liquids and solids 
WGK  WGK 2 water endangering 
Disposal  3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C. 
毒物学数据 
LD 50 oral  LD50 rat > 2000 mg/kg 
分类 
Assay (complexometric; calculated on dried substance) ≥ 99.0 %
Identity
- IR
conforms
- Potassium conforms
Appearance of solution (50 g/l; water) Clear and colourless
pH (50 g/l; water) 4.0 - 5.0
In water insoluble matter ≤ 0.003 %
Chloride (Cl) ≤ 0.004 %
Sulfate (SO4) ≤ 0.01 %
Cyanide (CN) ≤ 0.001 %
Heavy metals (as Pb) ≤ 0.0005 %
Cu (Copper) ≤ 0.0001 %
Fe (Iron) ≤ 0.001 %
Nitrilotriacetic acid ≤ 0.05 %
Loss on drying (150 °C; 6 h) 8.5 - 9.5 %

 

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