Hydroxypropyl Cellulose CAS 9004-64-2

Hydroxypropyl Cellulose CAS 9004-64-2 Information

CAS	9004-64-2
Molecular formula	C3H7O*
Molecular weight	59.08708
EIENCS	618-388-0
Form	powder
Melting point	371.06 °C
boling point	/
Density	0.5 g/mL at 25 °C (lit.)
Solubility	polar oganic solvents: soluble
PKA	/
Color	White to light cream
Storage temp

What is Hydroxypropyl Cellulose CAS 9004-64-2?

Basic characteristics

Molecular formula: Usually expressed as \ceC3H7O or \ceC36H70O19 (polymer structure), with a wide molecular weight range (several thousand to several million Da).

Appearance: White or off-white powder/granules, odorless and tasteless, flammable, thermoplastic.

Solubility

Soluble in polar solvents such as cold water, methanol and ethanol;

It is insoluble in hot water (precipitates when the temperature is above 38℃), ether, benzene and other non-polar solvents.

Thermal stability

Carbonization temperature: 280-300℃, color change temperature: 190-200℃

Flash point: 492.8℃, Boiling point: 891.2℃.

Solution characteristics:

The aqueous solution has pseudoplasticity (viscosity increases with the increase of concentration);

A liquid crystal state can be formed at high concentrations.

Hydroxypropyl Cellulose CAS 9004-64-2 Use

Pharmaceutical industry

Disintegrant/Binder (L-HPC) :

Wet granulation dosage: 5% - 20% Powder tablet pressing: 5% - 20%.

Coating material (H-HPC) : Forms a water-resistant film to improve the sustained release of drugs.

Food industry

Thickener/emulsifier: Used in jams, condiments and beverages, with a dosage of 0.05% - 2.0%.

Usage: Dissolve in cold water and then mix with the raw materials to avoid precipitation caused by high temperature.

"工业领域" 可 以 翻 译 为 "industrial field"

Ceramics/Metallurgy: Binder (solvent-based), high temperature resistant, low ash content.

Coatings/inks: Thickening and dispersing agent, enhancing leveling and adhesion.

Daily chemical products

Shampoo/Lotion: Stabilizer (0.5% - 2.0%)

Hair spray: Film-forming agent (ethanol solution).

Textile and Papermaking

Improve the softness of the fabric and the adhesion of dyes; Oil-resistant coating for paper.

Hydroxypropyl Cellulose CAS 9004-64-2 safety

Health risk: Low toxicity (oral LD₅₀ > 2000 mg/kg in rats), but the dust may irritate the respiratory tract.

Environmental risk: Potential hazard to water bodies (leakage prevention is required).

Storage requirements:

Keep sealed to prevent moisture and store away from light (shelf life: 2 years).

Keep away from fire sources (flammable).

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