Specialty Additives Available to Source

Polycaprylylsilsesquioxane And Alumina [1ncl]

CAS 1344-28-1 · MF Al2O3 · MW 101.961 g/mol

A hybrid cosmetic ingredient combining a hydrophobic silicone polymer (polycaprylylsilsesquioxane) with alumina (aluminum oxide).

SDS / TDS Download
CAS Number
1344-28-1
Molecular Formula
Al2O3
Molecular Weight
101.961 g/mol
Material Family
Specialty Additives
Physical Properties
melting_point
3632 u00b0F (NIOSH, 2024)
boiling_point
5396 u00b0F at 760 mmHg (NIOSH, 2024)
density
4 (NIOSH, 2024) - Denser than water; will sink
solubility
Insoluble (NIOSH, 2024)
vapor_pressure
0 mmHg (approx) (NIOSH, 2024)
GHS / SDS Safety Danger
Irritant Health Hazard
  • H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
  • Reported as not meeting GHS hazard criteria by 2917 of 3142 companies (only 7.2% companies provided GHS information). For more detailed information, please visit ECHA C&L website.
  • Not Classified
  • H372: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]
  • Reported as not meeting GHS hazard criteria by 1 of 1 companies. For more detailed information, please visit ECHA C&L website.
  • H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
Chemical Identity
CAS Number1344-28-1
IUPAC Namedialuminum;tris(oxygen(2-))
InChI KeyPNEYBMLMFCGWSK-UHFFFAOYSA-N
PubChem CID 9989226
INCI NameALUMINA
Synonyms & Trade Names
ALUMINUM OXIDE Aluminium oxide Aloxite gamma-Alumina Aluminum trioxide Dialuminum trioxide Abramant Abramax Abrasit Almite Alundum Saffie delta alumina Aluminum lake Theta alumina
Full Description

A hybrid cosmetic ingredient combining a hydrophobic silicone polymer (polycaprylylsilsesquioxane) with alumina (aluminum oxide).