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.
Tris (Hydroxymethyl) Aminomethane
CAS Number: 77-86-1
Formula Weight: 121.14
Formula: C4H11NO3
Boiling Point (°C): 219
Freezing Point (°C): 168
Solubility: Water
Synonyms: 2-Amiono-2-Hydroxymethyl, tris-tromethamine
Shelf Life (months): 36
Storage: Green
Urea
CAS Number: 57-13-6
Formula Weight: 60.06
Formula: NH2CONH2
Density (g/mL): 1.335
Freezing Point (°C): 132
Solubility: Water and Alcohol
Shelf Life (months): 36
Storage: Green
Wright’s Blood Stain
CAS Number: 68988-92-1
Hazard Info: Flammable
Density (g/mL): 0.79
Boiling Point (°C): 65
Freezing Point (°C): -98
Solubility: Alcohol and water
Shelf Life (months): 36
Storage: Red
Zinc Oxide
CAS Number: 1314-13-2
Formula Weight: 81.39
Formula: ZnO
Hazard Info: Toxic (fumes)
Density (g/mL): 5.1
Freezing Point (°C): 1975
Solubility: Acids and Alkalies
Shelf Life (months): 36
Storage: Green
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
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
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
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
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
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
Ward's® WARDSafe™
Specimen Holding Fluid, Dilute one part to nine parts water for use.
Shelf Life (months): 36
Storage: Red
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
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
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.
Distilled Water
CAS Number: 7732-18-5
Formula: H2O
Density: 1 g/mL
Boiling and Freezing Point: 100°C and 0°C