31437-M

Sodium bicarbonate

puriss. p.a., ACS reagent, reag. Ph. Eur., ≥99.7%

• 동의어(들): Sodium hydrogen carbonate
• Linear Formula: NaHCO₃
• CAS Number: 144-55-8
• Molecular Weight: 84.01
• Beilstein: 4153970
• EC Number: 205-633-8
• MDL number: MFCD00003528
• UNSPSC 코드: 12352300
• PubChem Substance ID: 329753766
• NACRES: NA.21

속성

• Grade: ACS reagent
• Agency: reag. Ph. Eur.
• grade: puriss. p.a.
• 분석: ≥99.7%
• 형태: powder
• 불순물: ≤0.003% S-compounds (as SO₄); ≤0.015% in water insoluble matters; ≤5 mg/kg ammonium (NH₄); ≤50 mg/kg I red. matters (as SO₂)
• pH: ≤8.6 (20 °C, 5%)
• pKa(25 °C): (1) 6.37, (2) 10.25 (carbonic acid)
• solubility: H₂O: 0.5 g/10 mL, clear, colorless; water: soluble 50 g/L
• density: 2.16 g/mL at 25 °C (lit.)
• 음이온 미량물: chloride (Cl^-): ≤0.003%; phosphate (PO₄^3-): ≤10 mg/kg
• 양이온 미량물: As: ≤0.0002%; Ca: ≤0.01%; Cd: ≤0.0005%; Co: ≤0.005%; Cu: ≤0.0005%; Fe: ≤0.0005%; K: ≤0.005%; Mg: ≤0.005%; Ni: ≤0.005%; Pb: ≤0.0005%; Zn: ≤0.0005%; heavy metals: ≤5 mg/kg (by ICP-OES)
• 적합성: complies for appearance of solution
• SMILES string: [Na+].OC([O-])=O
• InChI: 1S/CH2O3.Na/c2-1(3)4;/h(H2,2,3,4);/q;+1/p-1
• InChI key: UIIMBOGNXHQVGW-UHFFFAOYSA-M

설명

일반 설명

Sodium bicarbonate is widely used as a physiological buffer. The pKa for bicarbonate ↔ carbonic acid reaction is 6.37. The pKa for bicarbonate ↔ carbonate reaction is 10.25.

애플리케이션

Sodium bicarbonate may be used to maintain 7.4pH in Iscove′s modified Dulbecco′s medium for growth of murine hybridoma cell culture. It may be employed as a component of RPMI-1640 liquid medium in a study.

안전성 정보

• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point (°F): Not applicable
• Flash Point (°C): Not applicable