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
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| Größe/SKU | Verfügbarkeit | Preis |
|---|---|---|
100 g | Warenkorb auf Verfügbarkeit prüfen | € 48,00 |
500 g | Warenkorb auf Verfügbarkeit prüfen | € 135,00 |
1 kg | Warenkorb auf Verfügbarkeit prüfen | € 211,00 |
Über diesen Artikel
Produktname
Trizma® Base, ≥99.0% (T)
description
aminopeptidase substrate
Quality Segment
product line
BioChemika
assay
≥99.0% (T)
form
crystalline
loss
≤1% loss on drying, 110 °C
pH
10.5-12.0(4 m in water, 25 °C)
useful pH range
7-9
pKa (25 °C)
8.1
bp
219-220 °C/10 mmHg (lit.)
mp
167-172 °C (lit.), 168-172 °C
solubility
H2O: 1 M at 20 °C, clear, colorless
anion traces
chloride (Cl-): ≤50 mg/kg, sulfate (SO42-): ≤50 mg/kg
cation traces
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, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Na: ≤50 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg
SMILES string
NC(CO)(CO)CO
InChI
1S/C4H11NO3/c5-4(1-6,2-7)3-8/h6-8H,1-3,5H2
InChI key
LENZDBCJOHFCAS-UHFFFAOYSA-N
General description
Application
- Elektrophoretischer Transfer zur spezifischen Identifizierung von Isoenzymen des Stärkeentzweigungsenzyms, der α-Amylase und der 9-Amylase.
- Elektrophoretische Trennung von Lipoproteinen in Polyacrylamidgelen.
- Herstellung von TRIS-Puffer mit einem pH-Wert von 8.
Other Notes
Verwenden Sie für präzise Anwendungen ein sorgfältig kalibriertes pH-Messgerät mit einer Glas/Kalomel-Kombielektrode.
Legal Information
1 of 1
Dieser Artikel | |||
|---|---|---|---|
| description ≥99.0% (T) | description BioUltra, Molecular Biology, ≥99.8% (T) | description ≥99.9% (titration), crystalline | description BioPerformance Certified, meets EP, USP testing specifications, suitable for cell culture, ≥99.9% (titration) |
| assay ≥99.0% (T) | assay ≥99.8% (T) | assay ≥99.9% (titration) | assay ≥99.9% (titration) |
| product line BioChemika | product line BioUltra | product line - | product line - |
| Quality Level 200 | Quality Level 200 | Quality Level 400 | Quality Level 400 |
| form crystalline | form crystalline | form crystalline | form crystalline powder |
| pH 10.5-12.0(4 m in water, 25 °C) | pH 10.5-12.0 (25 °C, 4 M in H2O) | pH 10.0-11.5 | pH 10.0-11.5 |
| solubility H2O: 1 M at 20 °C, clear, colorless | solubility H2O: 4 M at 20 °C, clear, colorless | solubility water: soluble (400 g plus 600 mL of water) | solubility water: soluble (666 mg/ml, yielding a clear colorless solution) |
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Lagerklasse
11 - Combustible Solids
Was ist los?
WGK 1
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
PSA (Persönliche Schutzausrüstung)
dust mask type N95 (US), Eyeshields, Gloves
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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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