Query SRCs PHYSPROP Database. The PHYSPROP database contains chemical structures,
names and physical properties for over 41,000 chemicals.
Physical properties collected from a wide variety of sources include experimental,
extrapolated and estimated values. For more information
see http://www.srcinc.com/what-we-do/environmental/scientific-databases.html#physprop.
Usage
pp_query(cas, verbose = TRUE)
Arguments
cas
character; A CAS number to query.
verbose
logical; print message during processing to console?
Value
A list of 5 entries: cas (CAS-Number), cname (Chemical Name),
mw (Molecular weigth), prop (Properties) and source url.
prop is a data.frame, with variables, value, unit, temp, type (see note) and ref (see note).