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
71507
Natriumphosphat Monohydrat
BioXtra, Molecular Biology, ≥99.5% (T)
Synonym(e):
Mononatrium-phosphat, Natriumdihydrogenphosphat Monohydrat
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€ 261,00
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InChI
1S/Na.H3O4P.H2O/c;1-5(2,3)4;/h;(H3,1,2,3,4);1H2/q+1;;/p-1
InChI key
BBMHARZCALWXSL-UHFFFAOYSA-M
SMILES string
[Na+].[H]O[H].OP(O)([O-])=O
grade
Molecular Biology
product line
BioXtra
assay
≥99.5% (T)
form
crystals
impurities
DNases, none detected, RNases, none detected, insoluble matter, passes filter test, phosphatases, none detected, proteases, none detected, ≤0.001% total nitrogen (N)
pH
4.0-4.5 (25 °C, 1 M in H2O)
solubility
H2O: 1 M, clear, colorless
anion traces
chloride (Cl-): ≤5 mg/kg, sulfate (SO42-): ≤30 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
1 M in H2O
UV absorption
λ: 260 nm Amax: ≤0.03, λ: 280 nm Amax: ≤0.02
Quality Level
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Verwandte Kategorien
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Dieser Artikel | |||
|---|---|---|---|
| assay ≥99.5% (T) | assay 98.0-102.0% | assay ≥99.0% (T) | assay ≥98%, 98.0-102.0% |
| grade for molecular biology | grade - | grade ACS reagent, puriss. p.a. | grade ACS reagent |
| product line BioXtra | product line BioReagent | product line - | product line - |
| Quality Level 200 | Quality Level 200 | Quality Level - | Quality Level 200 |
| form crystals | form powder | form - | form crystalline |
| pH 4.0-4.5 (25 °C, 1 M in H2O) | pH 4.1-4.5 (25 °C, 5% in solution) | pH 4.1-4.5 (25 °C, 50 mg/mL in H2O) | pH 4.1-4.5 (25 °C, 5% in solution) |
Application
Lagerklasse
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Discover high-purity biological buffers for production scale. Ensure stability, pH control, and consistent supply with our expert manufacturing solutions.
Entdecken Sie hochreine biologische Puffer für die Produktion. Stellen Sie Stabilität, pH-Kontrolle und konsistente Versorgung mit unseren speziellen Fertigungslösungen sicher.
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How can I determine the shelf life / expiration / retest date of this product?
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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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