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Chemicals for Science Education
Chemicals for science education are available in easy-to-use formats with instructions for students to be introduced to a variety of subjects. These chemicals can be purchased in individual amounts or bulk kits for compatibility with classroom-sized demonstrations or independent studies. Products are designed for educational and teaching laboratories, and may or may not come with a certificate of analysis when ordered.
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Papain
CAS Number: 9001-73-4
Solubility: Water and Glycerol
Synonyms: Papayotin, Vegetable Pepsin
Shelf Life (months): 36
Storage: Green
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Talc
CAS Number: 14807-96-6
Formula Weight: Mixture
Formula: Mixture
Density (g/mL): 2.85
Synonyms: Talcum
Shelf Life (months): 36
Storage: Green
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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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Thermit Black Powder
CAS Number: None Assigned
Formula Weight: Mixture
Formula: Mixture
Density (g/mL): >1
Freezing Point (°C): >660
Synonyms: Thermit Welding Powder
Shelf Life (months): 36
Storage: Green
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Thymol Blue
CAS Number: 62625-21-2
Formula Weight: Mixture
Formula: Mixture
Density (g/mL): Approximately 1
Boiling Point (°C): Approximately 0
Freezing Point (°C): Approximately 100
Solubility: Alcohol and Acetic Acid
Shelf Life (months): 36
Storage: Green
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Toluidine Blue O
CAS Number: 92-31-9
Formula: C15H16CIN3S
Density: 1.008 g/mL
Solubility: Water and Alcohol
Synonyms: Basic Blue 17 and Tolonium Chloride, C.I. No 52040
Shelf Life: 36 Months
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Magnesium Oxide
CAS Number: 1309-48-4
Formula Weight: 40.30
Formula: MgO
Hazard Info: Toxic
Density (g/mL): 3.65-3.75
Boiling Point (°C): 3600
Freezing Point (°C): 2800
Solubility: Acids and Slightly in Water
Synonyms: Magnesia, Calcinated Magnesia, Calcined Brucite
Shelf Life (months): 12
Storage: Green
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Magnesium Sulfate
CAS Number: 7487-88-9
Formula Weight: 120.37
Formula: MgSO4
Hazard Info: Irritant
Density (g/mL): 2.7
Solubility: Water and Glycerin
Shelf Life (months): 12
Storage: Green
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Manganese(II) Sulfate Monohydrate
CAS Number: 10034-96-5
Formula Weight: 169.01
Formula: MnSO4·H2O
Hazard Info: Irritant
Density (g/mL): 2.95
Freezing Point (°C): 57-117
Solubility: Water
Synonyms: Manganous Sulfate, Manganese Sulfate
Shelf Life (months): 12
Storage: Green
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Methyl Red
CAS Number: 212-682-9
Formula Weight: 291.29
Formula: C15H14N3O2Na
Boiling Point (°C): Decomposes
Solubility: Water, Alcohol, Ether and Acetic Acid
Synonyms: Acid Red 2 Sodium Salt, C.I. No. 13020
Shelf Life (months): 36
Storage: Green
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Nickel
CAS Number: 7440-02-0
Formula Weight: 58.71
Formula: Ni
Density (g/mL): 8.90
Boiling Point (°C): 2732
Freezing Point (°C): 1452
Shelf Life (months): 36
Storage: Red
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Orcein
CAS Number: 1400-62-0
Formula: C28H24N2O7
Formula Weight: 500.52
Shelf Life (months): 36
Solubility: Alcohol, Acetone, and Dilute Alkali Solutions
Storage: Green
Please Note: This product is designed for educational and teaching laboratories and no certificate of analysis is available.
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Potassium Fluoride
CAS Number: 7789-23-3
Formula Weight: 58.10
Formula: KF
Density (g/mL): 2.481
Boiling Point (°C): 1505
Freezing Point (°C): 859
Solubility: Water and Hydrochloric Acid
Shelf Life (months): 36
Storage: Blue
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Potassium Sulfate
CAS Number: 7778-80-5
Formula Weight: 174.27
Formula: K2SO4
Density (g/mL): 2.662
Boiling Point (°C): 1067
Freezing Point (°C): 1689
Solubility: Water
Synonyms: Sal Polychrestum
Shelf Life (months): 36
Storage: Green
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Safranin O
CAS Number: 477-73-6
Formula: C20H19N4Cl
Density: 1 g/mL
Solubility: Water and Alcohol
Synonyms: Basic Red 2, C.I. No. 50240
Shelf Life: 36 Months
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Silver Acetate
CAS Number: 563-63-3
Formula: CH3COOAg
Density: 3.259 g/mL
Solubility: Hot Water and Nitric Acid
Synonyms: Argentous Acetate
Shelf Life: 36 Months