The storage class in section 7 of the SDS indicates this material should be stored as a combustible solid. This means the product can catch fire if exposed to a flame. Many researchers claim formulation can be achieved to make the material flame retardant by the addition of other known flame-retarding chemicals ( lignin, phytic acid and sodium silicate).
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46080
Ethylcellulose
48.0-49.5% (w/w) ethoxyl basis
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Unterstützung erhaltenQuality Segment
assay
48.0-49.5% (w/w) (ethoxyl)
form
coarse powder, powder
autoignition temp.
698 °F
color
beige
refractive index
n20/D 1.47 (lit.)
viscosity
30-70 mPa.s, 5 % in toluene/ethanol 80:20(25 °C)
density
1.14 g/mL at 25 °C (lit.)
SMILES string
O1[C@H](C(C(C(C1COCC)OCC)OCC)OCC)O[C@@H]2C(OC(C(C2OCC)OCC)OCC)COCC
InChI
1S/C28H54O11/c1-9-29-17-19-21(31-11-3)23(32-12-4)26(35-15-7)28(38-19)39-22-20(18-30-10-2)37-27(36-16-8)25(34-14-6)24(22)33-13-5/h19-28H,9-18H2,1-8H3/t19?,20?,21?,22-,23?,24?,25?,26?,27?,28+/m1/s1
InChI key
MINRZDZESGXKDM-OLIDUAMRSA-N
Application
Ethylcellulose entsteht durch die Umwandlung einer variablen Anzahl von Hydroxylgruppen auf den sich wiederholenden Glucoseeinheiten in Ethylethergruppen. Ethylcellulose wird für die Herstellung von Biostrukturen wie Matrizes, Mikrosphären, Mikropartikeln, Pellets und Tabletten verwendet, die der Wirkstoffabgabe dienen.
Preparation Note
Ethylcellulose ist in zahlreichen Lösungsmitteln löslich, etwa in aliphatischen Alkoholen, chlorinierten Lösungsmitteln und natürlichen Ölen. In Wasser, Glycerin und Prolylenglycol ist sie nicht löslich.
Other Notes
Für einen umfassenden Überblick über unser vielfältiges Angebot an Polysacchariden für Ihre Forschung empfehlen wir Ihnen den Besuch unserer Seite zur Kategorie Kohlenhydrate.
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Dieser Artikel | |||
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| assay 48.0-49.5% (w/w) (ethoxyl) | assay - | assay - | assay - |
| Quality Level 200 | Quality Level 200 | Quality Level 100 | Quality Level 100 |
| form coarse powder | form powder or granules | form - | form - |
| color beige | color - | color - | color - |
| refractive index n20/D 1.47 (lit.) | refractive index n20/D 1.47 (lit.) | refractive index n20/D 1.47 (lit.) | refractive index n20/D 1.47 (lit.) |
| density 1.14 g/mL at 25 °C (lit.) | density 1.14 g/mL at 25 °C (lit.) | density 1.14 g/mL at 25 °C (lit.) | density 1.14 g/mL at 25 °C (lit.) |
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Lagerklasse
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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Can this one be made flame retardant?
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How can I determine the shelf life / expiration / retest date of this product?
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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.pdfHelpful?
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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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