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1.06329
Sodium hydrogen carbonate
for analysis EMSURE® ACS,Reag.Ph Eur
Synonym(s):
Sodium bicarbonate
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About This Item
99.7-100.3% dry basis (acidimetric)
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Product Name
Sodium hydrogen carbonate, for analysis EMSURE® ACS,Reag.Ph Eur
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)
99.7-100.3% dry basis (acidimetric)
form
powder
potency
4220 mg/kg LD50, oral (Rat)
impurities
≤0.0065% Iodine reducing matter (as I)
≤0.015% Insoluble matter
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
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%
storage temp.
2-30°C
Quality Level
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1 of 4
This Item | 1.93237 | 1.06323 | 1.72577 |
|---|---|---|---|
| form powder | form - | form solid | form powder |
| solubility 96 g/L | solubility - | solubility 96 g/L | solubility 96 g/L |
| assay 99.0-101.0% (acidimetric), 99.7-100.3% dry basis (acidimetric) | assay - | assay - | assay - |
| Quality Level 300 | Quality Level - | Quality Level 500 | Quality Level 300 |
| grade ACS reagent | grade ACS reagent | grade - | grade - |
| anion traces chloride (Cl-): ≤0.002%, phosphate, silicate (as SiO2): ≤0.005%, sulfur compounds (as SO42-): ≤0.003%, phosphate (PO43-): ≤0.001%, sulfate (SO42-): ≤0.015% | anion traces - | anion traces - | anion traces - |
Analysis Note
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
Legal Information
Storage Class
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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How is shipping temperature determined? And how is it related to the product storage temperature?
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Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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