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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.
Applied Filters
Filters
Applied Filters
Sodium Carbonate
CAS Number: 497-19-8
Formula: Na2CO3
Density: 2.533 g/mL
Freezing Point: 864°C
Solubility: Water and Glycerin
Synonyms: Soda Ash
Shelf Life: 36 Months
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Sodium Borate, 10-Hydrate
CAS Number: 1303-96-4
Formula: Na2B4O7 10H2O
Density: 1.73 g/mL
Freezing Point: 62 °C
Solubility: Water and Glycerin
Synonyms: Sodium Tetraborate, Borax
Shelf Life: 12 Months
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Sodium Nitrate
CAS Number: 7631-99-4
Formula Weight: 84.99
Formula: NaNO3
Hazard Info: Oxidizer, Explosive, Toxic
Density (g/mL): 2.261
Freezing Point (°C): 307
Solubility: Water and Alcohol
Synonyms: Nitrate of Soda, Chile Saltpeter
Shelf Life (months): 36
Storage: Yellow
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Sodium Polyacrylate
CAS Number: 9003-04-7
Formula: (C3H3NaO2)n
Density (g/mL): 0.4 - 0.7
Freezing Point (°C): >198.89
Solubility: insoluble in water/swells in water
Synonyms: Acrylic acid polymer
Shelf Life (months): 12
Storage: Green
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Sodium Sulfate
CAS Number: 7757-82-6
Formula Weight: 142.04
Formula: Na2SO4
Density (g/mL): 2.698
Boiling Point (°C): >1000
Freezing Point (°C): 888
Solubility: Water
Synonyms: Disodium Sulfate
Shelf Life (months): 36
Storage: Green
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Congo Red
CAS Number: 573-58-0
Formula Weight: 696.68
Formula: C32H22N6Na2O6S2
Hazard Info: Toxic
Solubility: Water and Alcohol
Synonyms: Direct Red 28, C.I. No. 22120, Congo Red Stain, Congo Red Biostain
Shelf Life (months): 36
Storage: Green
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Sodium Iodide
CAS Number: 7681-82-5
Formula: NaI
Density: 3.667 g/mL
Boiling and Freezing Point: 1304°C, 653°C
Solubility: Water, Alcohol, and Glycerin
Synonyms: Sodium Monoiodide
Shelf Life: 12 Months
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Calcium Carbide
CAS Number: 75-20-7
Formula: CaC2
Density: 2.20 g/mL
Freezing Point: 1700 to 2300°C
Solubility: Water
Synonyms: Acetylene Oxygen, Carbide
Shelf Life: 36 Months
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Sodium Hexametaphosphate
CAS Number: 10124-56-8
Formula Weight: 611.52
Formula: (NaPO3)6
Freezing Point (°C): 628
Solubility: Water
Synonyms: Sodium Polyphosphate
Shelf Life (months): 36
Storage: Green
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Sodium Perborate Tetrahydrate
CAS Number: 10486-00-7
Formula: NaBO3·4H2O
Hazard Info: Toxic if inhaled; oxidizer
Boiling Point (°C): 130-150°C
Freezing Point (°C): 63°C
Solubility: Moderately soluble in water
Shelf Life (months): 36
Storage: Yellow
Note: The chemical specifications for some of the products on this page may differ from the specirications listed above. For more information, consult the Safety Data Sheet or contact your Ward's representative.
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DPIP (2,6-Dichloroindophenol)
CAS Number: 620-45-1
Formula Weight: 290.08
Formula: C12H6Cl2NNaO2
Density (g/mL): >1
Boiling Point (°C): Decomposes
Solubility: Water
Synonyms: Dichloroindophenol
Shelf Life (months): 12
Storage: Green
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Sulfur
CAS Number: 7704-34-9
Formula Weight: 32.06
Formula: S
Hazard Info: Flammable
Density (g/mL): 2.04-2.07
Boiling Point (°C): 444
Freezing Point (°C): 116-121
Solubility: Alcohol, Organic Solvents, Not Soluble in Water
Synonyms: Sulfur Flour
Shelf Life (months): 36
Storage: Red
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Potassium Sodium Tartrate
CAS Number: 6381-59-5
Formula Weight: 282.23
Formula: KNaC4H4O6·4H2O
Hazard Info: Oxidizer, Toxic
Density (g/mL): 2.065
Boiling Point (°C): 105-130
Freezing Point (°C): 36.4
Solubility: Water and Alcohol
Shelf Life (months): 36
Storage: Yellow
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Ampicillin
Add to prepared agar or broth to select antibiotic-resistant bacterial strains.
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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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Lycopodium
CAS Number: 8023-70-9
Formula: Natural Product
Solubility: Insoluble in Water and Organic Solvents
Synonyms: Spores of Lycopodium Clavatum
Shelf Life: 36 Months