Safety disclaimer

Experimental chemistry is a very dangerous occupation and extreme care and adequate safety precautions should be taken at all times. Although we have stated the safety measures that have to be taken under specific entries these are by no means exhaustive and some may have been unknowingly or accidentally omitted. The experimenter without prior knowledge or experience must seek further safety advice on reagents and procedures from experts in the field before undertaking the purification of any material. We take no responsibility whatsoever if any mishaps occur when using any of the procedures described in this book. 

Many methods exist for the purification of reagents and solvents. A number of these methods are routinely used in synthetic as well as analytical chemistry and biochemistry. These techniques, outlined below, will be discussed in greater detail in the respective sections in this Chapter. It is important to note that more than one method of purification may need to be implemented in order to obtain compounds of highest purity. 

For substances contaminated with water or solverrts, drying with appropriate absorbents and desiccants may be sufficient. 

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The information in this book is collected from published and unpublished literature. Responsibility for the accuracy of this material is disclaimed, however, responsibility is accepted for the selection, organization, and presentation. The vastness of the information necessitates selectivity in the attempt to make a comprehensive and cohesive presentation. The material is selected to illustrate a procedure or principle not advocacy. Every effort toward objectivity was made to balance human health and safety, environment, economic welfare, and civilization. 

Disclaimer. The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publisher and the editor(s). The appearance of advertisements in the book is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any Ideas, methods, instructions or products referred to in the content or advertisements. 

It is sincerely hoped that the information presented in this document will lead to an even more impressive safety record for the entire industry however, the American Institute of Chemical Engineers, its consultants, CCPS subcommittee members, their employers, their employers officers and directors, and EQE International disclaim making or giving any warranties or representations, express or implied, including with respect to fitness, intended purpose, use or merchantability and/or correctness or accuracy of the content of the information presented in this document. As between (I) the American Institute of Chemical Engineers, its consultants, CCPS subcommittee members, their employers, their employers officers and directors, and EQE International and (2) the user of this document, the user accepts any legal liability or responsibility whatsoever for the consequence of its use or misuse. 

Disclaimer This report has been reviewed by the National Institute for Occupational Safety and Health and approved for publication. Approval does not signify that the contents reflect the views of the Agency. 

The first action intended to improve labeling from the standpoint of pediatric use information was the creation in 1979 (FDA, 1979) of the Pediatric Use subsection under the Precautions section of labeling. The final rule for this labeling change reaffirmed the need for substantial evidence from adequate and well-controlled trials in support of any new pediatric indications, and in the absence of such evidence, it called for the standard disclaimer, i.e., that safety and effectiveness in children have not been established. Unfortunately, the creation of this subsection by itself did not serve as an effective stimulus to pediatric drug research, and most... 

David E. Nikles, University of Alabama I would like to change the subject to roadblocks, but first I have a disclaimer. I fully believe in health and safety and in educating my students to be professionals, but one thing that I have worried about for the past 15 years is the intrusion of regulatory health and safety into the laboratory. I spent a month in 1990 bar code labeling all my chemicals, and then my managers wanted to get the chemicals out of my laboratory. Recently at the university, somebody said I couldn t take a chemical from my laboratory out of the chemistry building because it could be used as a terrorist weapon. 

Disclaimer The information presented below is intended as a starting point for identification purposes only and should not be regarded as a comprehensive guide for safety procedures in the laboratory. 

FDA offers the opportunity for the sponsor to make a disclaimer to each IND safety report. The letter of transmittal of the initial and any follow-up reports should state that the information submitted does not necessarily reflect a conclusion by the sponsor or FDA that the report or information constitutes... 

NSTA is committed to publishing quality materials that promote the best in inquiry-based science education. However, conditions of actual use may vary and the safety procedures and practices described in this book are intended to serve only as a guide. Additional precautionary measures may be required. NSTA and the author(s) do not warrant or represent that the procedure and practices in this book meet any safety code or standard or federal, state, or local regulations. NSTA and the author(s) disclaim any liability for personal injury or damage to property arising out of or relating to the use of this book, including any recommendations, instructions, or materials contained therein. 

Most MSDS forms are created by chemical manufacturers. They can be found in libraries, on manufacturer s websites, and by contacting manufacturers or suppliers directly. Websites are available that catalogue MSDS forms from multiple sources, for example, www.msdssearch.com. The Canadian Center for Occupational Health and Safety also maintains an extensive collection at www.ccinfoweb.ccohs.ca. For legal reasons (limitation of liability), most MSDS forms contain a disclaimer stating that users should also make their own evaluation of compatibility and fitness for use. A sample MSDS form is given in Appendix I. 

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