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94378

Sigma-Aldrich

Methyl cellulose

viscosity 3000-5500 mPa.s, 2 % in H2O(20 °C)

Sinonimo/i:

Methyl cellulose

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100 G
153,00 €
500 G
569,00 €

153,00 €

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100 G
153,00 €
500 G
569,00 €

About This Item

Numero CAS:
9004-67-5
Numero MDL:
MFCD00081763
Codice UNSPSC:
12352204
NACRES:
NA.25

153,00 €

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Stato

powder

Livello qualitativo

100

Viscosità

3000-5500 mPa.s, 2 % in H2O(20 °C)

Stringa SMILE

[*]OC[C@H]1O[C@@H](O[C@@H]2[C@@H](CO[*])O[C@@H](O[*])[C@H](O[*])[C@H]2O[*])[C@H](O[*])[C@@H](O[*])[C@@H]1O[*]

InChI

YLGXILFCIXHCMC-JHGZEJCSSA-N

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Descrizione generale

Methyl cellulose is a gum polysaccharide containing glucose with methyl substitution.[1]

Applicazioni

Methyl cellulose has been used:


  • in polymer solution to enhance viscosity in the formulation for dip coating[2]
  • in growth medium to facilitate stable morphology[3]
  • as a supplement in HMI-9 medium to increase viscosity[4]

Azioni biochim/fisiol

Methyl cellulose is known to have a molecular size that might pass through placenta.[5] It is useful in visualizing small bowel loops through its overlaps.[6]

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

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Certificati d'analisi (COA)

Lot/Batch Number
BCCL0096
BCCJ6349
BCCH4207
BCCG2316
BCCF7450

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Methyl cellulose meets USP testing specifications, 26.0-33.0% (methoxyl group, on Dry Basis), viscosity: 400 cP

Sigma-Aldrich

M0430

Methyl cellulose

Methyl cellulose viscosity: 1,500 cP

Sigma-Aldrich

M0387

Methyl cellulose

(Hydroxypropyl)methyl cellulose viscosity 2,600-5,600 cP, 2 % in H2O(20 °C)(lit.)

Sigma-Aldrich

H7509

(Hydroxypropyl)methyl cellulose

(Hydroxypropyl)methyl cellulose average Mn ~10,000

Sigma-Aldrich

423238

(Hydroxypropyl)methyl cellulose

Impact insertion of transfer-molded microneedle for localized and minimally invasive ocular drug delivery
Song HB, et al.
Journal of Controlled Release : Official Journal of the Controlled Release Society, 209, 272-279 (2015)
A quorum sensing-independent path to stumpy development in Trypanosoma brucei
Zimmermann H, et al.
PLoS Pathogens, 13(4), e1006324-e1006324 (2017)
Methylcellulose and Bacterial Motility.
A Pijper
Journal of bacteriology, 53(3), 257-269 (1947-03-01)
Functionalizing Carbohydrates for Food Applications: Texturizing and Bioactive/Flavor Delivery Systems (2014)
R Olsson et al.
Acta radiologica (Stockholm, Sweden : 1987), 38(1), 73-75 (1997-01-01)
Double-contrast barium enema has a reduced sensitivity in patients with severe sigmoid diverticulosis. Therefore a carboxy methyl cellulose enema was employed after the conventional double-contrast examination in 15 patients with sigmoid diverticulosis. A significant increase in lumen diameter and a
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Domande

  1. What is the difference chemically speaking and in characteristics of these two compounds? Regarding particle size and its properties, Cat # 94378 Methocel® A4M vs M0512 Methylcellulose both have the same CAS Number: 9004-67-5

    1 risposta

    1. Product 94378 (Methocel® A4M) in a 2% solution in water at 20°C results in a solution with a viscosity between 3000 - 5500 mPa.s. While not directly analyzed for particle size, it is suggested that it is primarily -40 mesh or smaller than 420 micron. Molecular weight information is not determined.

      Product M0512 in a 2% solution in water at 20°C results in a solution with a viscosity between 3500 - 5600 cps. The particle size for product M0512 is not analyzed. The M0512 lists an approximate molecular weight of 88,000 with methoxy substitution between 27.5 - 31.5% (weight).

      https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/251/785/m0512pis.pdf

      Both products are methyl cellulose polymers. The major application that Dupont lists for their Methocel A4M is in ceramic extrusion. It seems to have a similar reported methoxy content as shown in Dow's brochure below.

      https://cms.chempoint.com/ChemPoint/media/Methocel-brochure/Methocel-Brochure-2019-1.pdf

      Thus, the primary difference between these two products would be the manufacturer's origin.

      Utile?

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