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423181

Sigma-Aldrich

(Hydroxypropyl)methyl cellulose

average Mn ~90,000

Synonym(s):

Hypromellose

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About This Item

CAS Number:
9004-65-3
MDL number:
MFCD00131360
UNSPSC Code:
12162002
NACRES:
NA.23

form

powder or crystals

mol wt

average Mn ~90,000

extent of labeling

1.1-1.6 mol methoxy per mol cellulose (D.S.)
21 wt. % methoxy
0.1-0.3 mol propylene oxide per mol cellulose (M.S.)
5 wt. % propylene oxide

surface tension

43-55 dyn/cm, 25 °C, 0.05 wt. %

viscosity

15,000 cP, 2 wt. % in H2O(20 °C, Ubbelohde)(lit.)

transition temp

gel point 70-90 °C

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Application

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

Features and Benefits

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.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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