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423238

Sigma-Aldrich

(Hydroxypropyl)methyl cellulose

average Mn ~10,000

Sinonimo/i:

HPMC, Hypromellose

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25 G
CHF 108.00
100 G
CHF 144.00

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25 G
CHF 108.00
100 G
CHF 144.00

About This Item

Numero CAS:
9004-65-3
Numero MDL:
MFCD00131360
Codice UNSPSC:
12162002
NACRES:
NA.23

CHF 108.00

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Stato

powder

Livello qualitativo

200

PM

average Mn ~10,000

Grado di funzionalizzazione

1.8-2.0 mol methoxy per mol cellulose (D.S.)
29 wt. % methoxy
0.2-0.3 mol propylene oxide per mol cellulose (M.S.)
7 wt. % propylene oxide

Tensione superficiale

43-55 dyn/cm, 25 °C, 0.05 wt. %

Viscosità

6 cP(20 °C)(lit.)

Temp. transizione

gel point 58-64 °C

Stringa SMILE

O3[C@H]([C@@H]([C@H]([C@@H]([C@H]3COCC(O)C)OCC(O)C)OCC(O)C)OCC(O)C)O[C@@H]4[C@H](O[C@H]([C@@H]([C@H]4OCC(O)C)OCC(O)C)OCC(O)C)COCC(O)C.O1[C@H]([C@@H]([C@H]([C@@H]([C@H]1COC)OC)OC)OC)O[C@@H]2[C@H](O[C@H]([C@@H]([C@H]2OC)OC)OC)COC

InChI

PUSNGFYSTWMJSK-GSZQVNRLSA-N

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Categorie correlate

Applicazioni

Thickener for aqueous and non-aqueous systems, clear films with grease resistance, binders, lubricants, steric stabilizer and water retention aid.

Caratteristiche e vantaggi

Dissolves in water, undergoes reversible gelation upon heating, non-ionic, does not complex with ionic species and is surface active and enzyme resistant. Solutions are pseudoplastic.

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Gloves, type N95 (US)

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Certificati d'analisi (COA)

Lot/Batch Number
MKCW1186
MKCP6865
MKCM9800
MKCM2740
MKCK4725

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USP

1335304

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Questions

1–2 of 2 Questions  

  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. 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/449/386/product-dating-information-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. 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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