Muon radiative energy loss (in 1.0E06 cm^2/g) in ethyl cellulose ([C%12#H%22#O5)%n#] with Z/A = 0.54405 (f12.0,4f12.4) E (GeV) b_brem b_pair b_nucl b_total 2. 0.2532 0.1098 0.4740 0.8371 5. 0.3435 0.2724 0.5012 1.1171 10. 0.4185 0.4137 0.4859 1.3182 20. 0.4978 0.5680 0.4633 1.5291 50. 0.6061 0.7848 0.4385 1.8296 100. 0.6876 0.9386 0.4264 2.0526 200. 0.7644 1.0806 0.4203 2.2653 500. 0.8560 1.2276 0.4193 2.5029 1000. 0.9149 1.3181 0.4261 2.6591 2000. 0.9640 1.3821 0.4375 2.7836 5000. 1.0133 1.4387 0.4590 2.9110 10000. 1.0396 1.4654 0.4806 2.9857 20000. 1.0582 1.4823 0.5062 3.0467 50000. 1.0744 1.4956 0.5462 3.1161 100000. 1.0817 1.5010 0.5806 3.1633