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/418/501/product-dating-information-06-25-mk.pdf
71497
Sodium citrate monobasic
BioXtra, anhydrous, ≥99.5% (T)
Sinonimo/i:
Citric acid monosodium salt, Sodium dihydrogen citrate
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| A voi/SKU | Disponibilità | Prezzo |
|---|---|---|
250 g | Per informazioni sulla disponibilità, contatta il Servizio Clienti. | 103,00 € |
1 kg | Per informazioni sulla disponibilità, contatta il Servizio Clienti. | 347,00 € |
Informazioni su questo articolo
103,00 €
Quality Segment
product line
BioXtra
assay
≥99.5% (T)
form
crystals
impurities
insoluble matter, passes filter test, ≤0.2% water
pH
3.5-4.0 (25 °C, 0.25 M in H2O)
solubility
H2O: 0.25 M at 20 °C, clear, colorless
anion traces
chloride (Cl-): ≤50 mg/kg, sulfate (SO42-): ≤50 mg/kg
cation traces
Al: ≤5 mg/kg, As: ≤0.1 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤50 mg/kg, Li: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg
λ
0.25 M in H2O
SMILES string
[Na+].OC(=O)CC(O)(CC([O-])=O)C(O)=O
InChI
1S/C6H8O7.Na/c7-3(8)1-6(13,5(11)12)2-4(9)10;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);/q;+1/p-1
InChI key
HWPKGOGLCKPRLZ-UHFFFAOYSA-M
Application
1 of 1
Questo articolo | |||
|---|---|---|---|
| form crystals | form crystals | form crystals | form crystals |
| assay ≥99.5% (T) | assay ≥99.0% (T) | assay ≥99.0% (NT) | assay - |
| solubility H2O: 0.25 M at 20 °C, clear, colorless | solubility water: soluble 263.1 g/L | solubility water: very soluble 24.9 g/L at 20 °C | solubility H2O: 0.1 M at 20 °C, clear, colorless |
| pH 3.5-4.0 (25 °C, 0.25 M in H2O) | pH 4.6-5.2 (25 °C, 50 mg/mL in H2O) | pH 7.0-9.0 (25 °C, 50 mg/mL in H2O) | pH 7.5-9.0 (25 °C, 0.1 M in H2O) |
| cation traces Al: ≤5 mg/kg, Ba: ≤5 mg/kg, Ca: ≤10 mg/kg, Co: ≤5 mg/kg, Cu: ≤5 mg/kg, K: ≤50 mg/kg, Mg: ≤5 mg/kg, Mo: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg, As: ≤0.1 mg/kg, Cd: ≤5 mg/kg, Fe: ≤5 mg/kg, Mn: ≤5 mg/kg, Sr: ≤5 mg/kg, Bi: ≤5 mg/kg, Li: ≤5 mg/kg, Cr: ≤5 mg/kg, Ni: ≤5 mg/kg | cation traces Ca: ≤50 mg/kg, Cd: ≤50 mg/kg, Co: ≤50 mg/kg, Cu: ≤50 mg/kg, Fe: ≤50 mg/kg, K: ≤100 mg/kg, Ni: ≤50 mg/kg, Pb: ≤50 mg/kg, Zn: ≤50 mg/kg | cation traces Ca: ≤50 mg/kg, Cd: ≤50 mg/kg, Co: ≤50 mg/kg, Cu: ≤50 mg/kg, Fe: ≤50 mg/kg, K: ≤100 mg/kg, Ni: ≤50 mg/kg, Pb: ≤50 mg/kg, Zn: ≤50 mg/kg | cation traces Al: ≤5 mg/kg, As: ≤0.1 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤100 mg/kg, Li: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, NH4+: ≤10 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg |
| impurities insoluble matter, passes filter test, ≤0.2% water | impurities - | impurities - | impurities DNases, none detected, RNases, none detected, insoluble matter, passes filter test, phosphatases, none detected, proteases, none detected, 11-13% Water (Karl Fischer) |
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Classe di stoccaggio
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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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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