423181

(Hydroxypropyl)methyl cellulose

average M_n ~90,000

• Synonym(s): Hypromellose
• CAS Number: 9004-65-3
• MDL number: MFCD00131360
• UNSPSC Code: 12162002
• NACRES: NA.23

Properties

• form: powder or crystals
• Quality Level: 100
• mol wt: average M_n ~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
• SMILES string: 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

Description

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.

Safety Information

• 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