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1.06329 Supelco

Sodium hydrogen carbonate

for analysis EMSURE® ACS,Reag.Ph Eur

Synonym: Sodium bicarbonate

  • CAS Number 144-55-8

  • Linear Formula NaHCO3

  • Molecular Weight 84.01

  •  Beilstein/REAXYS Number 4153970

  •  MDL number MFCD00003528

  •  EC Index Number 205-633-8

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Properties

Related Categories Bromhexine Hydrochloride , Camostat Mesylate, Chemical Synthesis, Chemicals for the synthesis of candidate COVID-19 treatments, Darunavir,
Quality Level   300
grade   ACS reagent
Agency/Method   reag. Ph. Eur.
assay   99.0-101.0% (acidimetric)
  99.7-100.3% dry basis (acidimetric)
form   powder
potency   4220 mg/kg LD50, oral (Rat)
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
  2.16 g/mL at 25 °C (lit.)
bulk density   1000 kg/m3
anion traces   chloride (Cl-): ≤0.002%
  phosphate (PO43-): ≤0.001%
  phosphate, silicate (as SiO2): ≤0.005%
  sulfate (SO42-): ≤0.015%
  sulfur compounds (as SO42-): ≤0.003%
cation traces   As: ≤ 0.0002%
  Ca: ≤ 0.01%
  Cu: ≤ 0.0002%
  Fe: ≤ 0.0005%
  K: ≤ 0.005%
  Mg: ≤ 0.005%
  N: ≤ 0.0005%
  NH4+: ≤ 0.0005%
  Pb: ≤ 0.0005%
  heavy metals (as Pb): ≤ 0.0005%
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
storage conditions   Store at +5°C to +30°C.

Description

Analysis Note

Appearance of solution: passes test
Identity: passes test
Assay (acidimetric; calculated on dried substance): 99.7 - 100.3 %
Assay (acidimetric): 99.0 - 101.0 %
Insoluble matter: ≤ 0.015 %
pH-value (5 %; water): ≤ 8.6
Chloride (Cl): ≤ 0.002 %
Phosphate (PO₄): ≤ 0.001 %
Sulfate (SO₄): ≤ 0.015 %
Phosphate and Silicate (as SiO₂): ≤ 0.005 %
Sulfur compounds (as SO₄): ≤ 0.003 %
Total nitrogen (N): ≤ 0.0005 %
Ammonium (NH₄): ≤ 0.0005 %
Heavy metals (as Pb): ≤ 0.0005 %
As (Arsenic): ≤ 0.0002 %
Ca (Calcium): ≤ 0.01 %
Cu (Copper): ≤ 0.0002 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.005 %
Mg (Magnesium): ≤ 0.005 %
Pb (Lead): ≤ 0.0005 %
Iodine reducing matter (as I): ≤ 0.0065 %
Loss on drying (Silica gel): ≤ 0.20 %
Corresponds to ACS, Reag. Ph Eur

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Analytical Method: Chlorophyll-a and phaeophytin-a as per ASTM D3731-87

Materials and reagents: Cat.No. 100706  Spectroquant® Spectrophotometer Pharo 100 or Cat.No. 100707  Spectroquant® UV/VIS Spectrophotometer Pharo 300 Cat.No. 114946  Rectangular cells 10 mm and/or Ca...
Keywords: Centrifugation, Filtration, Sample preparations

Analytical Method: Chlorophyll-a and phaeophytin-a as per as ASTM D3731-87 for Prove

Materials and reagents: Cat.No. 173016  Spectroquant® VIS Spectrophotometer Prove 100 or Cat.No. 173017  Spectroquant® UV/VIS Spectrophotometer Prove 300 or Cat.No. 173018  Spectroquant® UV/VIS Spect...
Keywords: Centrifugation, Filtration, Sample preparations

Analytical Method: Chlorophyll-a, -b, -c as per ASTM D3731-87 for Prove

Materials and reagents: Cat.No. 173016  Spectroquant® VIS Spectrophotometer Prove 100 or Cat.No. 173017  Spectroquant® UV/VIS Spectrophotometer Prove 300 or Cat.No. 173018  Spectroquant® UV/VIS Spect...
Keywords: Centrifugation, Filtration, Sample preparations

Analytical Method: Chlorophyll-a, -b, -c as per ASTM D3731-87

Materials and reagents: Cat.No. 100706  Spectroquant® Spectrophotometer Pharo 100 or Cat.No. 100707  Spectroquant® UV/VIS Spectrophotometer Pharo 300 Cat.No. 114946  Rectangular cells 10 mm and/or Ca...
Keywords: Centrifugation, Filtration, Sample preparations

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