OECD SIDS 1. GENERAL INFORMATION
ID: 79-50-5 DATE: 18.01.2006
Crude DL-lactone is purified by distillation, with the resulting residue being sent off site for disposal. The purified DL-lactone is either transferred to [the next production step] for the production of R-pantolactone or
transferred to [the next production step]
of RS-pantothenyl ether or RS-panthenol.
1.8 Regulatory Measures
1.8.1 Occupational Exposure Limit Values
Type of limit: Limit value:
other: Internal Occupational Exposure Limit 10 mg/m3
No IOEL established based on toxicological data, the limit
value for inert dust was adopted.
Acceptable Residues Levels
other: own 17.05.1999
Class of dange
Major Accident Hazards
1.8.6 Listings e.g. Chemical Inventories
Type: Additional Info:
NDSL Canada Gazette, Part I, January 31, 1998
May 2004 Inventory tape
other: SPIN database (substances used in preparations in Nordic countries: N, S, DK, SF) Not listed, no use identified.