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Safety Letters

Below is an index of the chemical safety letters that have appeared in C&EN since 1993. The index is alphabetized by the chemical involved in the letter. Click on the title to access the full text of the letter.

Regarding Title Issue
(Perfluoroethyl)lithium Safe generation of (perfluoroethyl)lithium 10/6/97
1,5-Diamino-1H-tetrazole Preparation of 1,5-Diamino-1H-tetrazole 7/25/05
2-Methoxyprop-2-yl hydroperoxide Potential hazard with 2-methoxyprop-2-yl hydroperoxide 8/9/93
3-[Ethoxy(thiocarbonyl)thio]quinoline 3-[Ethoxy(thiocarbonyl)thio]quinoline explosion 7/9/01
3-Iodoxybenzoic Acid 3-Iodoxybenzoic Acid: Handle With Care 7/1/02
3-Phenyl-2-phenylsulfonyl-oxaziridine 3-Phenyl-2-phenylsulfonyl-oxaziridine stability 2/25/02
4-azidobenzaldehyde Explosiveness of 4-azidobenzaldehyde 7/13/98
4-Trifluoromethylphenylmagnesium bromide Metal fluoride stability 3/17/97
6,6'-Dibromo-2,2'-Bipyridine 6,6'-Dibromo-2,2'-Bipyridine 11/27/00
Acetone/peroxide dimer Explosion in preparation of 5-bromo-4(3H)-pyrimidinone 7/10/95
Alkenes and nitrogen oxides Explosion hazard with pipe from chloroprene tank 8/7/95
-lithiated amines Potential Explosion Hazard Of -Lithiated Amines 6/30/03
Aluminum alkyls Aluminum alkyl reactivity 3/3/97
Aluminum chloride-nitrobenzene Aluminum chloride-nitrobenzene mixtures 2/9/98
Aluminum with fluorinated ligands Aluminum with fluorinated ligands 5/20/96
Anhydrous hydrogen fluoride Anhydrous hydrogen fluoride 4/28/97
Asymmetric Simmons-Smith cyclopropanation Explosion hazard in asymmetric cyclopropanation 2/6/95
Azides Azide explosions discussed further 3/14/94
Azidotrimethylsilane Azidotrimethylsilane 1/26/98
Bees, wasps around gas cylinder caps Cylinder cap buzz 8/19/96
Bees, wasps around gas cylinder caps Bees, wasps, and cylinder caps--a painful combination 10/2/95
cerium ammonium nitrate/potassium bromate/malonic acid Exothermic Demo 6/15/98
Chloracnegens New chloracnegens 11/23/98
Chlorine dioxide (liquid) Inadvertent Production And Explosion Of Liquid Chlorine Dioxide 12/9/02
contact lenses in the lab Contact lenses 6/1/98
Cumene hydroperoxide Cumene hydroperoxide explosion 10/18/93
Cumene hydroperoxide Cumene hydroperoxide explosion 5/31/93
Dichlorotetramethyldisilane Explosion during distillation of crude dichlorotetramethyldisilane 6/11/01
Dimethylmercury Safety standards 10/20/97
Dimethylmercury Hazardous references 7/14/97
Dimethylmercury Handling dimethylmercury 5/12/97
Dimethylmercury More on working with dimethylmercury 6/16/97
Diphosgene, triphosgene Safe handling of diphosgene, triphosgene 2/8/93
Ethyl acetate Peroxides in ethyl acetate 12/18/00
Formaldehyde and sodium hydroxide Formaldehyde, sodium hydroxide hazard 1/9/95
Hydrogen/Oxygen Hydrogen/Oxygen Ballons 5/12/03
Hydroxyurea Hydroxyurea 6/1/98
Iodylarenes Proper Handling Of Hazardous Iodylarenes 1/23/06
LiAlH4 reduction of SiCl4 Chemical safety: LiAlH4 reduction of SiCl4 12/19/05
Lithium 2,6-Difluoroanilide Lithium 2,6-Difluoroanilide Decomposition Hazard 2/28/05
Mercury Mercury vapor release in TKN method 2/15/93
Methacryloyl chloride Surprise polymerization of methacryloyl chloride 6/3/96
Methyl 2-butynoate Hazard in preparing methyl 2-butynoate 11/14/94
Organofluorometallics The wise chemist 7/8/96
Oxoammonium perchlorate Oxoammonium perchlorate 7/8/96
Phosgene/chloroform Phosgene from chloroform 3/2/98
Polymethylpentene and microwave-assisted extraction Reactive membrane filter ring in microwave-assisted reaction 6/19/95
Potassium Dangerous Hydroxide Monohydrate Crust 9/16/02
Pyridinium Dichromate Pyridinium Dichromate Fire 4/21/03
Silanes/Siloxanes Hazard in hydrosilylation of D4Vi with D4H 9/12/94
Silanes/Siloxanes Hazard in hydrosilylation of D4Vi with D4H 9/12/94
Silanes/Siloxanes Potential hazard in hydrosilylation of D4Vi with D4H 4/25/94
Sodium azide/Dichloromethane/DMSO Azide explosions discussed 12/13/93
Sodium azide/Dichloromethane/DMSO Explosion with sodium azide 10/11/93
Sodium azide/Dichloromethane/DMSO Explosion with sodium azide in DMSO-CH2Cl2 4/19/93
Sodium chlorite Explosion with sodium chlorite 3/22/93
sodium/carbon tetrachloride Explosion hazard 9/7/98
Tollens' reagent Exploding reagent 1/8/96
Tosyloximes Thermally unstable tosyloximes 10/1/01
Trichloroacetic acid Trichloroacetic acid storage 5/26/97
Triethoxysilane/titanium isopropoxide Silane disproportionation results in spontaneous ignition 3/29/93
Trifluoroethylene vapor Trifluoroethylene deflagration 12/22/97