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.
Sodium Dichromate Dihydrate
CAS Number: 7789-12-0
Formula Weight: 298.05
Formula: Na2Cr2O7·2H2O
Hazard Info: Toxic, Corrosive
Density (g/mL): 2.348
Solubility: Water
Synonyms: Sodium Bichromate
Shelf Life (months): 12
Storage: Blue
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Sodium Dithionite
CAS Number: 7775-14-6
Formula Weight: 174.11
Formula: Na2O4O2
Density (g/mL): 2.500
Freezing Point (°C): 300
Solubility: Water
Synonyms: Sodium Hydrosulfite
Shelf Life (months): 12
Storage: Red
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Sodium Iodate
CAS Number: 7681-55-2
Formula Weight: 197.90
Formula: NaIO3
Density (g/mL): 4.277
Solubility: Water, Acetone
Synonyms: Iodic Acid Sodium Salt
Shelf Life (months): 12
Storage: Yellow
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Sodium Metabisulfite
CAS Number: 7681-57-4
Formula Weight: 190.10
Formula: Na2S2O5
Density (g/mL): 1.33
Boiling Point (°C): 104
Solubility: Water and Alcohol
Synonyms: Sodium Pyrosulfite Anhydrous
Shelf Life (months): 12
Storage: Green
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Sodium Nitrite
CAS Number: 7632-00-0
Formula Weight: 69.00
Formula: NaNO2
Hazard Info: Oxidizer, Flammable, Explosive, Toxic
Density (g/mL): 2.17
Freezing Point (°C): 270
Solubility: Water and Alcohol
Synonyms: Nitrous Acid Sodium Salt
Shelf Life (months): 36
Storage: Yellow
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Sodium Oxalate
CAS Number: 62-76-0
Formula Weight: 134.00
Formula: (COONa)2
Hazard Info: Toxic
Density (g/mL): 2.34
Freezing Point (°C): 250-270
Synonyms: Ethanedioic Acid Disodium Salt
Shelf Life (months): 12
Storage: White
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Sodium Phosphate Dibasic 7-Hydrate
CAS Number: 7782-85-6
Formula Weight: 268.07
Formula: Na2HPO4·7H2O
Density (g/mL): 1.68
Solubility: Hot Water
Synonyms: Disodium Phosphate 7-Hydrate
Shelf Life (months): 12
Storage: Green
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Sodium Phosphate Dibasic Anhydrous
CAS Number: 7558-79-4
Formula Weight: 141.96
Formula: Na2HPO4
Density (g/mL): 1.52
Solubility: Hot Water
Synonyms: Disodium Hydrogen Phosphate
Shelf Life (months): 12
Storage: Green
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Physiological Saline
CAS Number: Mixture
Formula: Mixture
Density: Approximately 1 g/mL
Boiling Point: Approximately 100°C
Freezing Point: Approximately 0°C
Synonyms: Isotonic Saline Solution
Shelf Life: 24 Months
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Ward's® Acetic Anhydride
CAS Number: 108-24-7
Formula Weight: 102.09
Formula: C4H6O3
Hazard Info: Irritant, Corrosive, Flammable
Density (g/mL): 1.08
Boiling Point (°C): 139.9
Freezing Point (°C): -73
Solubility: Reacts with Water and Alcohol
Synonyms: Acetic Oxide, Acetyl Oxide, Ethanoic Anhydride, Acetic Acid Anhydride
Shelf Life (months): 36
Storage: White
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Ward's® Potassium Permanganate
CAS Number: 7722-64-7
Formula Weight: 158.04
Formula: KMnO4
Hazard Info: Oxidizer, Explosive, Irritant
Density (g/mL): 2.7032
Boiling Point (°C): Decomposes
Freezing Point (°C): Decomposes
Solubility: Water
Synonyms: Chameleon Mineral
Shelf Life (months): 36
Storage: Yellow
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Resazurin
CAS Number: 62758-13-8
Formula: Mixture
Shelf Life (months): 12
Solubility: Miscible with Water
Storage: Green
Synonyms: Resazurin, Water Solution
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Acid Alcohol
CAS Number: Mixture
Formula Weight: Mixture
Formula: Mixture
Hazard Info: Flammable, Toxic
Density (g/mL): 0.7919-0.7955
Boiling Point (°C): 74-80
Freezing Point (°C): -114
Solubility: Water
Shelf Life (months): 12
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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Methyl Green
CAS Number: 7114-03-6
Formula Weight: 608.78
Formula: C27H35Cl2N3·ZnCl2
Density (g/mL): >1
Boiling Point (°C): Decomposes
Solubility: Moderately soluble in water
Shelf Life (months): 36
Storage: Green
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Ward's® WARDSafe™
Specimen Holding Fluid, Dilute one part to nine parts water for use.
Shelf Life (months): 36
Storage: Red