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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P4516
Pullulan
suitable for substrate for pullulanase
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| Rozmiar/SKU | Dostępność | Cena netto |
|---|
Informacje o tej pozycji
form
powder or crystals
Quality Segment
color
white
solubility
water: 50 mg/mL, colorless to very faintly yellow
suitability
suitable for substrate for pullulanase
storage temp.
2-8°C
Application
Other Notes
1 of 1
Ta pozycja | |||
|---|---|---|---|
| description suitable for substrate for pullulanase | description set of analytical standards, suitable for gel permeation chromatography (GPC) | description ≥98.00% | description certified reference material, certified according to DIN, suitable for gel permeation chromatography (GPC), 50,000 |
| solubility water: 50 mg/mL, colorless to very faintly yellow | solubility - | solubility water: 9.80-10.20 mg/mL, turbid, colorless to light yellow | solubility - |
| Quality Level 200 | Quality Level 100 | Quality Level 200 | Quality Level 100 |
| form powder or crystals | form - | form powder | form - |
| suitability suitable for substrate for pullulanase | suitability - | suitability - | suitability - |
| storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C |
| color white | color - | color white to faint yellow | color - |
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Klasa składowania
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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How can I determine the shelf life / expiration / retest date of this product?
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Helpful?
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
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
Helpful?
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We obtained Pullulan about 2 weeks ago, we are going to make nanoparticles for gene delivery and I would like to know the molecular weight of the pullulan before started to experiments.
1 answer-
The molecular weight range varies between 50,000-100,000 with a typical value being approximately 75,000.
Helpful?
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