Title: Aluminum Borate

CAS Registry Number: 11121-16-7

Literature References: Occurs in nature as the mineral eremeyevite or jeremejevite, Al2O3.B2O3. Prepd by heating Al2O3 with B2O3; when heated to 1000° 2Al2O3.B2O3 is formed; when heated to 1100° 9Al2O3.2B2O3 is formed: Scholze, Z. Anorg. Allg. Chem. 284, 272 (1956).

 

Derivative Type: 2Al2O3.B2O3

Properties: Needles, mp ~1050°. Practically insol in water.

Melting point: mp ~1050°

 

Derivative Type: 9Al2O3.2B2O3

Properties: Needles, mp ~1440°. Practically insol in water.

Melting point: mp ~1440°

 

Use: Catalyst for polymerizations; in glass manuf.