HPMC

Name: HPMC
SKU: 0

English Name ：Hydroxypropyl Methyl Cellulose
English Synonyms ：HPMC; Hypromellose; Hydroxypropylmethylcellulose； Cellulose hydroxypropyl methyl ether; [Additional pharmaceutical-grade aliases]
CAS Number ：9004-65-3
Molecular Formula ：(C₆H₇O₂(OH)ₓ(OCH₃)ᵧ(OCH₂CH(OH)CH₃)₂)ₙ (Polymeric - C₁₂H₂₀O₁₀ is incorrect) **
Molecular Weight ：~10,000–1,500,000 g/mol (Variable by grade) • 324.28 is invalid **

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Product Description

English Name	Hydroxypropyl Methyl Cellulose
English Synonyms	HPMC; Hypromellose; Hydroxypropylmethylcellulose; Cellulose hydroxypropyl methyl ether; [Additional pharmaceutical-grade aliases]
CAS Number	9004-65-3
Molecular Formula	(C₆H₇O₂(OH)ₓ(OCH₃)ᵧ(OCH₂CH(OH)CH₃)₂)ₙ (Polymeric - C₁₂H₂₀O₁₀ is incorrect) **
Molecular Weight	~10,000–1,500,000 g/mol (Variable by grade) • 324.28 is invalid **
InChI	Not applicable for polymers • Provided InChI describes a specific oligomer
Molecular Structure
Density	1.39 g/cm³ (Bulk density)
Melting Point	Decomposes at ~200°C (Not 1.39 - value likely erroneous) **
Boiling Point	N/A (Decomposes before boiling) • 1101.5°C invalid **
Flash Point	>250°C (Non-flammable) • 619.9°C invalid **
Water Solubility	Soluble (forms colloidal solutions)
Vapor Pressure	0 mmHg at 25°C
Physicochemical Properties	• Appearance: White to off-white powder • Gelation Temp: 50-90°C (grade-dependent) • Viscosity: 5-100,000 mPa·s (2% solution)
Applications	• Pharmaceuticals: Tablet binder/coating agent • Food Industry: Thickener/stabilizer (E464) • Construction: Cement additive • Coatings: Film former • Resins: Dispersion stabilizer
Safety Phrases	S24/25: Avoid skin and eye contact
Upstream Raw Materials	Cellulose (cotton linter/wood pulp), Propylene Oxide, Methyl Chloride, Sodium Hydroxide, Hydrochloric Acid