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Lead(II) Acetate Trihydrate
CAS Number: 6080-56-4
Formula Weight: 379.34
Formula: Pb(CH3COO)2·3H2O
Hazard Info: Toxic, Irritant, Carcinogen
Density (g/mL): 2.55
Boiling Point (°C): 280
Freezing Point (°C): 75
Solubility: Water and Glycerin
Synonyms: Lead Acetate
Shelf Life (months): 12
Storage: Blue
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Tannic Acid
CAS Number: 1401-55-4
Formula Weight: 1701.23
Formula: C76H52O46
Density (g/mL): >1.0
Freezing Point (°C): 210-215
Solubility: Water, Alcohol, and Acetone
Synonyms: Tanin, Gallotannic Acid, Pyrogallol Tannin
Shelf Life (months): 36
Storage: Green
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Methyl Ethyl Ketone
CAS Number: 78-93-3
Formula Weight: 72.11
Formula: CH3COCH2CH3
Hazard Info: Flammable, Narcotic
Density (g/mL): 0.804-0.806
Boiling Point (°C): 79-81
Freezing Point (°C): -86.5
Solubility: Alcohol and Ether
Synonyms: 2-Butanone, MEK, Butanone
Shelf Life (months): 36
Storage: Red
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Silver Chloride
CAS Number: 7783-90-6
Formula Weight: 143.32
Formula: AgCl
Hazard Info: Toxic
Density (g/mL): 5.56
Boiling Point (°C): 1550
Freezing Point (°C): 455
Solubility: Water, Ammonium Hydroxide, Sulfuric Acid, Sodium Thiosulfate and Potassium Bromide Solution
Synonyms: Chloride Salt of Silver
Shelf Life (months): 36
Storage: Green
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Calcium Oxide
CAS Number: 1305-78-8
Formula Weight: 56.08
Formula: CaO
Hazard Info: Irritant (produces heat with water)
Density (g/mL): 3.2-3.4
Boiling Point (°C): 2850
Freezing Point (°C): 2572
Solubility: Acids and reacts with Water
Synonyms: Lime, Quick Lime, Burnt Lime
Shelf Life (months): 12
Storage: White
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Ammonium Molybdate
CAS Number: 12054-85-2
Formula Weight: 1235.86
Formula: (NH4)6Mo7O24·4H2O
Hazard Info: Irritant
Density (g/mL): 2.276
Boiling Point (°C): Decomposes
Freezing Point (°C): Decomposes
Synonyms: Ammonium Heptamolybdate Tetrahydrate
Shelf Life (months): 36
Storage: Green
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Ethyl Ether
CAS Number: 60-29-7
Formula Weight: 74.12
Formula: (C2H5)2O
Hazard Info: Flammable, Explosive, Toxic
Density (g/mL): 0.71
Boiling Point (°C): 35.8
Freezing Point (°C): -123
Solubility: Common Organic Solvents and Slightly in Water
Synonyms: Diethyl Ether, Ether
Shelf Life (months): 12
Storage: Red
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Sucrose Solution
CAS Number: 57-50-1
Formula Weight: 342.30
Formula: C12H22O11
Density (g/mL): 1.58
Freezing Point (°C): 185.5
Solubility: Water
Synonyms: Cane Sugar, Beet Sugar
Shelf Life (months): 36
Storage: Green
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2,3,5-Triphenyl-2H-Tetrazolium Chloride
CAS Number: 298-96-4
Formula Weight: 334.81
Formula: C19H15CIN4
Boiling Point (°C): Decomposes
Freezing Point (°C): 250
Solubility: Water and Alcohol
Synonyms: Triphenyltetrazolium Chloride
Shelf Life (months): 36
Storage: Green
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Benzoic Acid
CAS Number: 65-85-0
Formula Weight: 122.12
Formula: C6H5COOH
Hazard Info: Slightly Toxic, Irritant, Combustible
Density (g/mL): 1.321
Boiling Point (°C): 249
Freezing Point (°C): 121
Synonyms: Benzenecarboxylic Acid
Shelf Life (months): 36
Storage: Green
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Copper(II) Nitrate Trihydrate
CAS Number: 10031-43-3
Formula Weight: 241.60
Formula: Cu(NO3)2·3H2O
Hazard Info: Toxic, Oxidizer
Density (g/mL): 2.32
Freezing Point (°C): 114.5
Solubility: Water and Alcohol
Synonyms: Copper Nitrate, Trihydrate, Copper(II) Nitrate 3-Hydrte
Shelf Life (months): 12
Storage: Yellow
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Cetyl Alcohol
CAS Number: 36653-82-4
Formula Weight: 242.45
Formula: CH3(CH2)14CH2OH
Density (g/mL): 0.818
Boiling Point (°C): 190
Freezing Point (°C): 49-50
Synonyms: 1-Hexadecanol, Hexadecyl Alcohol
Shelf Life (months): 36
Storage: Green
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Copper (II) Acetate Monohydrate
CAS Number: 6046-93-1
Formula Weight: 199.65
Formula: Cu(O2CCH3)2·H2O
Hazard Info: Toxic
Freezing Point (°C): 115
Solubility: Water, Alcohol and Ether
Synonyms: Cupric Acetate Monohydrate
Shelf Life (months): 36
Storage: Green
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Ward's® AP Chemistry Investigation 7: Stoichiometry: What is the Greenest Way to Separate a Mixture?
Meets AP Science Practices 2, 4, 5, and 6
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Diphenylamine
CAS Number: 122-39-4
Formula Weight: Mixture
Formula: Mixture
Hazard Info: Toxic
Density (g/mL): 1.16-1.84
Boiling Point (°C): 275-325
Freezing Point (°C): <11
Solubility: Organic Solvents
Synonyms: Diphenylamine Oxidation-Reduction Indicator Solution, Diphenylamine-Sulfuric Acid Solution
Shelf Life (months): 36
Storage: White
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Ammonium Persulfate
CAS Number: 7727-54-0
Formula Weight: 228.20
Formula: (NH4)2S2O8
Hazard Info: Oxidizer, Reactive
Density (g/mL): 1.92
Solubility: Water
Synonyms: Ammonium Peroxydisulfate, Diammonium Peroxydisulfate
Shelf Life (months): 36
Storage: Yellow




