Cellulose, 2-hydroxypropyl ether
Appearance: white or off-white powder.
Solubility: soluble in water (H-HPC). slightly soluble in water (L-HPC).
Risk: irritation, irritation to skin, eye.
Animal toxicity: mouse intraperitoneal LD50: > 25000mg/Kg;
mouse intravenous LD50: > 500mg/Kg;
mouse oral LD50: > 5000mg/Kg;
rat intraperitoneal LD50: > 25000mg/Kg;
rat intravenous LD50: 250mg/Kg;
rat oral LD50: 10200mg/Kg.
Ecology: May be hazardous to environment. Water body should be given special attention.
Characteristics: excellent dispersing, emulsifying, thickening, film-forming abilities.
Notes: include H-HPC, L-HPC.
Quality standards & test methods
physical and chemical indexes
*: Average molecular weight should be marked.
Use as slow-release agent.
Use as thickening agent.
Use as lubricant.
Film-forming agent, emulsion stabilizer, viscosity controlling agent, water retaining agent, emulsifying agent in personal care products.
Use as emulsion stabilizer, dispersing agent.
Emulsifying agent, coating agent, disintegrant (L-HPC) in medicine.
Use as film-forming agent (H-HPC), gelling agent (H-HPC).
Use as adhesive. eg: powder molding.