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Produits chimiques pour l'enseignement scientifique
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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Calcium Carbonate
CAS Number: 1317-65-3
Formula: CaCO3
Density: 2.71 g/mL
Solubility: Water and Acids
Synonyms: Precipitated Chalk, Natural Chalk, Powdered Chalk
Shelf Life: 36 Months
Storage: Green
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Calcium Chloride Dihydrate
CAS Number: 10035-04-8
Formula: CaCl2·2H2O
Freezing Point: 175°C
Solubility: Water and Alcohol
Synonyms: Calcium Chloride, Hydrated
Shelf Life: 12 Months
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Calcium Hydroxide
CAS Number: 1305-62-0
Formula Weight: 74.10
Formula: Ca(OH)2
Hazard Info: Irritant, Corrosive
Density (g/mL): 2.24
Boiling Point (°C): as CaO 579
Freezing Point (°C): as CaO 2580
Solubility: Water, Glycerol, and Acids
Synonyms: Hydrated Lime, Slacked Lime, Caustic Lime, Calcium Hydrate
Shelf Life (months): 12
Storage: Green
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Magnesium Chloride Hexahydrate
CAS Number: 7791-18-6
Formula: MgCl2 6H2O
Density: 1.57 g/mL
Solubility: Water and Alcohol
Synonyms: Magnesium Chloride 6-Hydrate
Shelf Life: 12 Months
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Magnesium Sulfate Heptahydrate
CAS Number: 10034-99-8
Formula Weight: 246.48
Formula: MgSO4·7H2O
Hazard Info: Irritant
Density (g/mL): 2.7
Solubility: Water and Glycerin
Synonyms: Epsom Salts, Magnesium Sulfate 7-Hydrate
Shelf Life (months): 12
Storage: Green
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Manganese
CAS Number: 7439-96-5
Formula Weight: 54.94
Formula: Mn
Hazard Info: Toxic (fumes)
Boiling Point (°C): 2095
Freezing Point (°C): 2271
Solubility: Dilute Acids
Shelf Life (months): 36
Storage: Green
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Potassium Chloride
CAS Number: 7447-40-7
Formula: KCl
Density: 1.986—1.990 g/mL
Boiling and Freezing Point: 1500 °C, 772 to 776 °C
Solubility: Water and Alcohol
Synonyms: Muriate of Potash, Potassium Muriate, Potassium Monochloride
Shelf Life: 36 Months
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Silicon
CAS Number: 7440-21-3
Formula Weight: 28.09
Formula: Si
Density (g/mL): 2.3
Freezing Point (°C): 1440
Solubility: Mixture of Nitric and Hydrofluoric Acid and Alkalies
Shelf Life (months): 36
Storage: Green
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Sodium Acetate Anhydrous
CAS Number: 127-09-3
Formula: NaC2H3O2
Density: 1.53 g/mL
Freezing Point: 324°C
Solubility: Water and Alcohol
Synonyms: Acetic Acid Sodium Salt
Shelf Life: 12 Months
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Zinc
CAS Number: 7440-66-6
Formula: Zn
Density: 7.12 g/mL
Boiling and Freezing Point: 907°C, 419°C
Solubility: Acids and Alkalies
Shelf Life: 36 Months
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Paraffin Wax, Refined White
CAS Number: 64742-43-4
Density (g/mL): 0.8
Freezing Point (°C): 48.8-71
Solubility: Warm Alcohol, Chloroform, Petroleum Ether, Olive Oil, Organic Solvents
Shelf Life (months): 36
Storage: Green
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Hematoxylin
CAS Number: 517-28-2
Formula Weight: 302.29
Formula: C16H14O6
Hazard Info: Toxic
Solubility: Water, Alcohol and Glycerin
Synonyms: Natural Black 1, C.I. No. 75290
Shelf Life (months): 36
Storage: Green
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Ammonia
CAS Number: Mixture
Formula Weight: Mixture
Formula: Mixture
Density: Approximately 1.0 g/mL
Boiling Point: Approximately 100°C
Freezing Point: Approximately 0°C
Solubility: Water
Shelf Life: 36 Months
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Naphthalene
CAS Number: 91-20-3
Formula Weight: 128.18
Formula: C10H8
Density (g/mL): 1.145
Boiling Point (°C): 218 Sublimes
Freezing Point (°C): 80
Synonyms: White Tar, Tar Camphor
Shelf Life (months): 36
Storage: Red
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Xylene
CAS Number: 1330-20-7
Formula Weight: 106.17
Formula: C6H4(CH3)2
Density (g/mL): 0.87
Boiling Point (°C): 140
Shelf Life (months): 36
Storage: Red
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Barium Chloride
CAS Number: 10361-37-2
Formula Weight: 208.27
Formula: BaCl2
Hazard Info: Toxic
Density (g/mL): 3.9
Boiling Point (°C): 1560
Freezing Point (°C): 963
Solubility: Water
Synonyms: Barium Dichloride
Shelf Life (months): 36
Storage: Blue