| Web Name Suffix Override | ACS reagent grade, 99.5-102%, solid, puriss. p.a., reag. ISO, reag. Ph. Eur., buffer substance |
|---|---|
| NACRES | NA.21 |
| PubChem Substance ID | 57648756 |
| UNSPSC Code | 12352100 |
| EC Number | 201-069-1 |
| MDL number | MFCD00149972 |
| Beilstein/REAXYS Number | 4018641 |
| InChI key | YASYEJJMZJALEJ-UHFFFAOYSA-N |
| InChI | 1S/C6H8O7.H2O/c7-3(8)1-6(13,5(11)12)2-4(9)10;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);1H2 |
| SMILES string | OC(CC(O)(C(O)=O)CC(O)=O)=O.O |
| grade | ACS reagent |
| agency | USP/NF |
| assay | 99.5-100.5% (calc. on anhydrous substance) |
| form | solid |
| impurities | ≤0.005% insolubles in water |
| ign. residue | ≤0.01% (as SO4) |
| pKa | (1) 3.13, (2) 4.76, (3) 6.4 |
| anion traces | chloride (Cl-): ≤5 mg/kg |
| cation traces | Ca: ≤50 mg/kg |
| suitability | complies for appearance of solution |
| functional group | carboxylic acid |
| Quality Level | 200 |
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