flinnsci.com 693
“How Toxic Is Toxic?”, continued
Substance LD50 per kilogram
Indigo Carmine ...................................................................................2000 mg
Indole-3-Butyric Acid .........................................................................100 mg
Iron(II) Sulfate (mouse)...................................................................1520 mg
Iron(III) Chloride ...................................................................................1278 mg
Iron(III) Nitrate ......................................................................................3250 mg
Isobutyl Alcohol ..................................................................................2460 mg
Isopentyl Alcohol................................................................................ 1300 mg
Isopropyl Alcohol ..............................................................................5045 mg
Isoraleric Acid ........................................................................................1850 mg
Kerosene (rabbit) ...............................................................................2835 mg
Lactic Acid .............................................................................................3543 mg
Lead Acetate.........................................................................................4665 mg
Lithium Carbonate ...............................................................................525 mg
Lithium Chloride ....................................................................................526 mg
Lithium Sulfate (anhydrous salt) ................................................613 mg
Magnesium Nitrate ..........................................................................5440 mg
Malachite Green Oxalate ..................................................................275 mg
Maleic Acid ................................................................................................708 mg
Malonic Acid ............................................................................................1310 mg
Manganese(II) Chloride ..................................................................1484 mg
Menthol ......................................................................................................3180 mg
Methyl Alcohol .................................................................................... 5628 mg
Methyl-t-Butyl Ether ........................................................................4000 mg
Methyl Ethyl Ketone .........................................................................2737 mg
Methyl Isobutyl Ketone .................................................................2080 mg
Methyl Orange ...........................................................................................60 mg
Methyl Salicylate ...................................................................................887 mg
Methyl Violet 2B.......................................................................................413 mg
Methylene Blue ......................................................................................1180 mg
Methylene Chloride ..........................................................................1600 mg
Naphthalene ............................................................................................490 mg
Naphthalene Acetic Acid ..............................................................1000 mg
1-Naphthol ................................................................................................1870 mg
Nickel Ammonium Sulfate .............................................................400 mg
Nickel Chloride ........................................................................................ 105 mg
Nickel Nitrate ..........................................................................................1620 mg
Nicotine ..........................................................................................................50 mg
o-Nitrobenzaldehyde .........................................................................600 mg
meta-Nitrophenol ..................................................................................328 mg
para-Nitrophenol ...................................................................................202 mg
1-Octanol (mouse) ..............................................................................1790 mg
4-(t-Octyl) Phenol ...............................................................................3210 mg
Orcinol (guinea pig) ...........................................................................600 mg
Oxalic Acid .................................................................................................375 mg
Pentane .......................................................................................................400 mg
Peppermint Oil .....................................................................................2426 mg
Perchloroethylene .............................................................................2629 mg
1,10-Phenanthroline ...............................................................................132 mg
Phenol ............................................................................................................317 mg
Phenyl Salicylate ...............................................................................3000 mg
Phenyl Thiocarbamide (mouse) ....................................................10 mg
Phosphoric Acid ...................................................................................1530 mg
Phosphorous Pentoxide
(inhalation, LD50) .......................................................................1217 mg/m3
Phthalic Anhydride ..........................................................................4020 mg
Potassium Acetate ............................................................................3250 mg
Potassium Bisulfate .........................................................................2340 mg
Potassium Bromate ..............................................................................157 mg
Potassium Bromide ..........................................................................3070 mg
Potassium Carbonate .......................................................................1870 mg
Potassium Chlorate ............................................................................400 mg
Potassium Chloride .........................................................................2600 mg
SAFETY REFERENCE HOW TOXIC IS TOXIC?
Substance LD50 per kilogram
Potassium Chromate (mouse) ..................................................... 180 mg
Potassium Cyanide ...................................................................................5 mg
Potassium Dichromate ........................................................................ 25 mg
Potassium Ferricyanide .................................................................1600 mg
Potassium Ferrocyanide ..............................................................6400 mg
Potassium Fluoride ..............................................................................245 mg
Potassium Hydroxide .........................................................................273 mg
Potassium Iodate ...................................................................................531 mg
Potassium Nitrate ..............................................................................3750 mg
Potassium Nitrite ..................................................................................200 mg
Potassium Permanganate ...........................................................1090 mg
Potassium Persulfate ........................................................................802 mg
Potassium Thiocyanate ...................................................................854 mg
Propionic Acid .....................................................................................2600 mg
n-Propyl Alcohol...................................................................................1870 mg
Pyridine ........................................................................................................ 891 mg
Pyrogallol (mouse) .............................................................................300 mg
Resorcinol .................................................................................................. 301 mg
Rhodamine B (mouse) ......................................................................887 mg
Salicylic Acid (mouse) ......................................................................480 mg
Sebacoyl Chloride ................................................................................400 mg
Silicon ......................................................................................................... 3160 mg
Silver Nitrate ............................................................................................1173 mg
Silver Oxide .............................................................................................2820 mg
Soda Lime .............................................................................................. 3530 mg
Sodium Acetate .................................................................................. 3530 mg
Sodium Arsenite ....................................................................................... 41 mg
Sodium Benzoate ...............................................................................4070 mg
Sodium Bicarbonate ....................................................................... 4220 mg
Sodium Bismuthate ............................................................................420 mg
Sodium Bisulfite .................................................................................2000 mg
Sodium Borate ....................................................................................2660 mg
Sodium Bromate ...................................................................................300 mg
Sodium Bromide ................................................................................3500 mg
Sodium Carbonate ...........................................................................4090 mg
Sodium Chlorate ..................................................................................1200 mg
Sodium Chloride ................................................................................3000 mg
Sodium Chromate, tetrahydrate ....................................................52 mg
Sodium Chromate, anhydrous ......................................................136 mg
Sodium Dichromate ...............................................................................52 mg
Sodium Fluoride (mouse) ..................................................................57 mg
Substance LD50 per kilogram
Sodium Hexametaphosphate (mouse) .............................4320 mg
Sodium Iodide .....................................................................................4340 mg
Sodium Metabisulfite .........................................................................1131 mg
Sodium Metasilicate ..........................................................................1153 mg
Sodium Nitrate ......................................................................................1267 mg
Sodium Nitrite ......................................................................................... 180 mg
Sodium Oxalate (mouse) .............................................................5094 mg
Sodium Perborate ...............................................................................1200 mg
Sodium Salicylate ................................................................................930 mg
Sodium Sulfide (anhydrous salt) ..............................................208 mg
Sodium Sulfite .....................................................................................3560 mg
Sodium Thiocyanate ...........................................................................764 mg
Streptomycin Sulfate .........................................................................430 mg
Strontium Chloride (anhydrous salt) .................................. 2250 mg
Strontium Nitrate ................................................................................2750 mg
Styrene, Monomer ............................................................................2650 mg
Succinic Acid ........................................................................................ 2260 mg
Sulfamic Acid ........................................................................................ 3160 mg
Sulfanilamide .......................................................................................3900 mg
5-Sulfosalicylic Acid .........................................................................2450 mg
Sulfuric Acid ............................................................................................2140 mg
To put toxicity into perspective,
compare the LD50 to that of
sodium chloride (3000 mg).
Tannic Acid ............................................................................................ 2260 mg
Tetrahydrofuran ...................................................................................1650 mg
Thioacetamide ........................................................................................ 301 mg
Thiourea ........................................................................................................125 mg
Thymol .........................................................................................................980 mg
Tin(II) Chloride .........................................................................................700 mg
Toluene ........................................................................................................636 mg
Trichloroethylene............................................................................... 4920 mg
Triethanolamine ....................................................................................4.92 mL
Urethane ................................................................................................... 1809 mg
Xylenes .....................................................................................................4300 mg
Zinc Acetate ..............................................................................................794 mg
Zinc Chloride ...........................................................................................350 mg
Zinc Nitrate ...............................................................................................1190 mg
Zinc Sulfate ..............................................................................................1260 mg
Safer Storage
Provide extra safety for the storage of severe poisons.
Chemicals that have an LD50 of less than 300 mg/kg may
be described as fatal or toxic if swallowed. These should
be stored in a separate and secure storage cabinet to
protect against theft, vandalism, or fire.
The Flinn/SciMatCo® Poison Cabinet is compact and
will fit into an existing storage cabinet or shelf.
Severe poisons must be locked up. The Flinn/
SciMatCo® Poison Cabinet is a “must” safety aid for any
high school chemical storage area.
Catalog No. Description Price/Each
SE6080 Flinn/SciMatCo® Wooden Poison Cabinet $556.40
See page 644 for more information.
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