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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239690
Bernsteinsäureanhydrid
≥99% (GC)
Synonym(e):
Dihydro-2,5-furandion
Größe auswählen
| Ihnen/SKU | Verfügbarkeit | Preis |
|---|---|---|
50 g | Warenkorb auf Verfügbarkeit prüfen | € 47,80 |
250 g | Warenkorb auf Verfügbarkeit prüfen | € 86,30 |
Über diesen Artikel
vapor density
3.5 (vs air)
Quality Segment
vapor pressure
1 mmHg ( 92 °C)
assay
≥99% (GC)
form
solid
bp
261 °C (lit.)
mp
118-120 °C (lit.)
SMILES string
O=C1CCC(=O)O1
InChI
1S/C4H4O3/c5-3-1-2-4(6)7-3/h1-2H2
InChI key
RINCXYDBBGOEEQ-UHFFFAOYSA-N
General description
Application
- Zur Herstellung von kovalent vernetzten oxidierten Hydrogelen auf Alginat-/N-Succinyl-Chitosan-Basis für injizierbare Systeme in der Gewebetechnik.[1]
- Zur Herstellung von funktionalisierten Oxidoberflächen auf einem Chip.[2]
- Als Ausgangsmaterial für die Synthese von Polyestern in Gegenwart eines Metalltriflats als Katalysator.
- Als Vernetzer zum Verbessern der mechanischenEigenschaften und antimikrobiellen Aktivität von Zeinfilmen.
1 of 1
Dieser Artikel | |||
|---|---|---|---|
| assay ≥99% (GC) | assay - | assay ≥99% (CP) | assay ≥99.0% |
| form solid | form crystals | form solid | form powder |
| bp 261 °C (lit.) | bp 261 °C/1013 hPa | bp 261 °C | bp 235 °C (lit.) |
| mp 118-120 °C (lit.) | mp 116-120 °C | mp 118-120 °C (lit.) | mp 184-186 °C (lit.) |
| vapor density 3.5 (vs air) | vapor density - | vapor density - | vapor density - |
| vapor pressure 1 mmHg ( 92 °C) | vapor pressure 1.3 hPa ( 92 °C) | vapor pressure - | vapor pressure - |
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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Resp. Sens. 1 - Skin Corr. 1B - Skin Sens. 1
Lagerklasse
8A - Combustible corrosive hazardous materials
flash_point_f
314.6 °F
flash_point_c
157 °C
ppe
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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