Merck, 1063291000, Sodium hydrogen carbonate
Size:1 kg, Sodium bicarbonate, for analysis EMSURE® ACS, Reag.Ph Eur
Catalog Number: 1063291000
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Pack Size1 kg
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| UNSPSC Code | 12352302 |
|---|---|
| NACRES | NA.21 |
| EC Index Number | 205-633-8 |
| MDL number | MFCD00003528 |
| Beilstein/REAXYS Number | 4153970 |
| InChI | 1S/CH2O3.Na/c2-1(3)4;/h(H2,2,3,4);/q;+1/p-1 |
| SMILES string | [Na+].OC([O-])=O |
| InChI key | UIIMBOGNXHQVGW-UHFFFAOYSA-M |
| grade | ACS reagent |
| agency | reag. Ph. Eur. |
| product line | EMSURE® |
| assay | 99.0-101.0% (acidimetric) |
| form | powder |
| potency | 4220 mg/kg LD50, oral (Rat) |
| impurities | ≤0.0065% Iodine reducing matter (as I) |
| loss | ≤0.2% loss on drying, Silica gel |
| pH | 8.6 (20 °C, 50 g/L in H2O) |
| pKa (25 °C) | (1) 6.37, (2) 10.25 (carbonic acid) |
| mp | 270 °C (decomposition) |
| solubility | 96 g/L |
| density | 2.22 g/cm3 at 20 °C |
| bulk density | 1000 kg/m3 |
| anion traces | chloride (Cl-): ≤0.002% |
| cation traces | As: ≤0.0002% |
| storage temp. | 2-30°C |
| Quality Level | 300 |
Answer:The formula is NaHCO₃.
Answer:It corresponds to ACS and Reag. Ph Eur requirements.
Answer:One kilogram in a plastic bottle.
Sodium hydrogen carbonate is used for analytical reagent applications requiring sodium bicarbonate with controlled inorganic impurity specifications. The chemical has the formula NaHCO₃, CAS 144-55-8, and is supplied as 1 kg in a plastic bottle. This reagent corresponds to ACS and Reag. Ph Eur specifications, with assay values of 99.0–101.0% by acidimetric determination and a specified 99.7–100.3% range on dried substance. It has an aqueous solubility of approximately 96 g/L and a bulk density near 1000 kg/m³ under the stated conditions. The grade includes limits for insoluble matter and trace ions such as chloride, sulfate and phosphate, supporting reproducible use in analytical preparations. As a bicarbonate salt, it can provide carbonate-system chemistry for laboratory solution preparation and analytical workflows where the method calls for this precise reagent grade. The powder is distinct from a ready-made bicarbonate buffer: concentration, pH and matrix must be established during preparation. The exact package is a 1 kg plastic bottle rather than the other sizes offered within the same product series.
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