Product Name: Corundum (CAS NO.1302-74-5)

MF: Al₂O₃
MW: 101.96
EINECS: 215-691-6
Mol File: 1302-74-5.mol
MP: 2040 °C(lit.)
Density: 1.06 g/mL at 25 °C
H-Bond Donor: 0
H-Bond Acceptor: 3
Structure Descriptors of Corundum (CAS NO.1302-74-5):
  IUPAC Name: oxo(oxoalumanyloxy)alumane
  Canonical SMILES: O=[Al]O[Al]=O
  InChI: InChI=1S/2Al.3O 
  InChIKey: TWNQGVIAIRXVLR-UHFFFAOYSA-N
Classification Code: Natural Product; Tumor data

EMERY is reported in EPA TSCA Inventory.

Safety Information of Corundum (CAS NO.1302-74-5):
Hazard Codes:  Xi
Risk Statements:  Irritating to the eyes;Irritating to the respiratory system;Irritating to the skin
Safety Statements:  In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 
RIDADR:  UN1993 
RTECS:  BD1200000
TSCA: Yes
HazardClass:  3
PackingGroup:  II
Questionable carcinogen with experimental carcinogenic data. May cause a pneumoconiosis. It is mainly a nuisance dust.

OSHA PEL: TWA Total Dust: 10 mg/m³; Respirable Fraction: 5 mg/m³
ACGIH TLV: TWA (nuisance particulate) 10 mg/m³ of total dust (when toxic impurities are not present, e.g., quartz <1%)
DFG MAK: 1.5 mg/m³

 Corundum , its CAS NO. is 1302-74-5, the synonyms are Abramantf36 ; Abramaxf46 ; Abramaxf54 ; Alphacorundum ; Aluminiumoxideceramic ; Aluminiumoxidewafer ; Corundum(Al₂O₃) ; Duralf30 .