Chemical Inventory Of Hazardous Waste Silica Spreadsheet (Page 2 of 2) in pdf

Please do not dispose of the following liquids in carboys:

acetaldehyde

haloalkynes

organic solids in solution (concentrated)

α-halocarbonyls

bromine

paint

chloromethylsilanes

metal halides and oxyhalides

organo metallic liquids or solutions

chloropicrin

nitrate esters

organo peroxides

acid chlorides

nitrite esters

PCBs

acetic anhydride

hydrazines

phosphate esters

amines (fw <101g/mol)

isocyanides

phosphines

alkynes

isocyanates

phosphite esters

aqueous solutions of heavy metals

t-butyl hypochlorite

polymer solutions

formic acid

mercaptans

pyrocarbonate esters

chloroformate esters

mercury compounds

sulfate esters

collodion

polymerizable monomers

sulfite esters

cyanohydrins

nitrosamines

sulfonate esters

dienes

halogenated organic acids

sulfonic acids

carbon disulfide

nitrosourethanes

thallium ethoxide

furan

mineral acids

thiocarbonyls

General Guidelines for Things to Keep out of Carboys

Very acidic, Very basic, and Very volatile

Reactive:

With water, air, strong oxidizers or strong reducers.

RedOx, polymerizable, gas producing

Toxic/Noxious:

Low LD/50 or TD/50, sensitizers, malodorous (i.e., mercaptans)

Surplus stocks of the above chemicals are best left in their original container and disposed of following procedure,

On-Site Service 1, in Chapter 7 of the UW Laboratory Safety Guide.

Addition of larger volumes of some of the above chemicals may present a disposal problem or a hazard with respect to

compatibility of waste solvents in the carboy. However, should small volumes (< 25 ml) be introduced to a carboy, simply

list the compound and volume on this form. Some of these materials may be present as unreacted materials from a

process or reaction in solvents suitable for disposal using a carboy. Should this occur, estimate the concentration as best

possible, and list it on the front of this form as well. See Chapter 7 of the UW Laboratory Safety Guide for disposal

procedures for these chemicals.

If you have any questions regarding the disposal of waste solvents in carboys,

call the Department of Environment, Health & Safety at 265-5000.

How is this waste generated?

(optional information so we better understand your solvent use; check all that apply)



Chromatography



Extractions



Glassware Cleaning/preparation



Reactions



Other (please specify):

Call the Safety Department if you are interested in distillation of waste solvents. See Part F of the UW Chemical Safety and

Disposal Guide for other information on pollution prevention and waste minimization.

An important reminder about storage of waste solvent carboys and flammable liquids in laboratories:

Keep the amount of flammable liquids not in safety cans or flammable storage cabinets to

less than 10 gallons or 38 liters per 100 square feet.

Chemical Inventory Of Hazardous Waste Silica Spreadsheet Page 2

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