If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf
1.06329
Idrogenocarbonato di sodio
for analysis EMSURE® ACS,Reag.Ph Eur
Sinonimo/i:
Bicarbonato di sodio
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About This Item
Grado
ACS reagent
Livello qualitativo
agenzia
reag. Ph. Eur.
Nome Commerciale
EMSURE®
Saggio
99.0-101.0% (acidimetric)
99.7-100.3% dry basis (acidimetric)
Stato
powder
Potenza
4220 mg/kg LD50, oral (Rat)
Impurezze
≤0.0065% Iodine reducing matter (as I)
≤0.015% Insoluble matter
Perdita
≤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)
Punto di fusione
270 °C (decomposition)
Solubilità
96 g/L
Densità
2.22 g/cm3 at 20 °C
2.16 g/mL at 25 °C (lit.)
Densità bulk
1000 kg/m3
Anioni in tracce
chloride (Cl-): ≤0.002%
phosphate (PO43-): ≤0.001%
phosphate, silicate (as SiO2): ≤0.005%
sulfate (SO42-): ≤0.015%
sulfur compounds (as SO42-): ≤0.003%
Cationi in tracce
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%
Temperatura di conservazione
2-30°C
Stringa SMILE
[Na+].OC([O-])=O
InChI
1S/CH2O3.Na/c2-1(3)4;/h(H2,2,3,4);/q;+1/p-1
UIIMBOGNXHQVGW-UHFFFAOYSA-M
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Categorie correlate
Risultati analitici
Identità: test superato
Saggio (acidimetrico; calcolato sulla sostanza secca): 99,7-100,3%
Saggio (acidimetrico): 99,0-101,0%
Sostanza insolubile: ≤ 0,015%
pH (5 % in acqua): ≤ 8,6
Cloruro (Cl): ≤ 0,002%
Fosfato (PO₄): ≤ 0,001%
Solfato (SO₄): ≤ 0,015%
Fosfato e silicato (come SiO₂): ≤ 0,005%
Composti solforati (come SO₄): ≤ 0,003%
Azoto (N) totale: ≤ 0,0005%
Ammonio (NH₄): ≤ 0,0005%
Metalli pesanti (come Pb): ≤ 0,0005%
As (arsenico): ≤ 0,0002%
Ca (calcio): ≤ 0,01%
Cu (rame): ≤ 0,0002%
Fe (ferro): ≤ 0,0005%
K (potassio): ≤ 0,005%
Mg (magnesio): ≤ 0,005%
Pb (piombo): ≤ 0,0005%
Sostanza iodata riducente (come I): ≤ 0,0065%
Perdita all′essiccamento (gel di silice C): ≤ 0,20%
Corrisponde ad ACS, Reag. Ph Eur
Note legali
Codice della classe di stoccaggio
13 - Non Combustible Solids
Classe di pericolosità dell'acqua (WGK)
WGK 1
Punto d’infiammabilità (°F)
Not applicable
Punto d’infiammabilità (°C)
Not applicable
Certificati d'analisi (COA)
Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘Batch’.
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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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