Hydroxypropyl Methyl Cellulose CAS 9004-65-3, Hydroxypropyl Methyl Cellulose, CAS 9004-65-3
Hydroxypropyl methylcellulose, cellulose hydroxypropyl methyl ether, hydroxypropionate methyl cellulose, etc
9004-65-3
C3H7O*
59.08708
618-389-6
CAS | 9004-65-3 |
Molecular formula | C3H7O* |
Molecular weight | 59.08708 |
EIENCS | 618-389-6 |
Form | powder |
Melting point | 225-230 °C |
boling point | / |
Density | 1.39 |
Solubility | H2O: 50 mg/mL, clear to very faintly turbid, faintly yellow |
PKA | / |
Color | White to creamy white |
Storage temp |
Storage conditions:
Store in a sealed container in a cool and dry place, away from moisture and light.
Preservatives should be added to the aqueous solution to prevent microbial contamination.
Incompatibility:
It may form precipitates with strong oxidants, high-concentration electrolytes or metal salts.
Avoid using it together with certain preservatives (such as parabens)
Pharmaceutical industry: Tablet binders/disintegrants (such as low-substitution type L-HPC), coating materials, eye drop thickeners, improving formability, sustained-release, and thickening
Construction industry: Cement mortar thickener, tile adhesive, gypsum water-retaining agent, enhancing plasticity, anti-sagging, and improving adhesive strength
Chemical industry: PVC suspension polymerization dispersant, latex paint stabilizer, pesticide adhesion enhancer, dispersed particles, emulsification stabilizer
Food industry: Emulsifiers, thickeners (such as sauces, frozen foods), to prevent layering and improve taste
Cosmetics: Thickening of shampoo, regulating the fluidity of toothpaste, stabilizing foam, and optimizing texture
Toxicity:
It is generally believed to be non-toxic and non-irritating, but excessive oral intake may cause diarrhea.
LD₅₀ (peritoneal injection in rats) : 5.2 g/kg; LD₅₀ (peritoneal injection in mice) : 5 g/kg.
Regulatory status:
It has been listed as GRAS (Generally Recognized as Safe) and approved by the FDA for use in oral preparations, ophthalmic preparations, etc.
Europe, Japan and the United Kingdom allow it to be used as a food additive or pharmaceutical excipient