"Ward's Science"
Petrolatum (White)
CAS Number: 8009-03-8
Density (g/mL): <1
Boiling Point (°C): >230
Freezing Point (°C): 35-80
Solubility: Organic Solvents (Not water)
Synonyms: Petroleum Jelly, Vaseline®
Shelf Life (months): 36
Storage: Green
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Iron(II) Ammonium Sulfate Hexahydrate
CAS Number: 7783-85-9
Formula Weight: 392.14
Formula: Fe(NH4)2(SO4)2·6H2O
Density (g/mL): 1.86
Freezing Point (°C): 100-110
Solubility: Water
Synonyms: Ferrous Ammonium Sulfate Heptahydrate, Iron(II) Ammonium Sulfate 6-Hydrate
Shelf Life (months): 12
Storage: Green
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Butylated Hydroxy Toluene
CAS Number: 128-37-0
Formula Weight: 220.35
Formula: C15H24O
Hazard Info: Flammable, Toxic, Irritant
Density (g/mL): 0.899
Boiling Point (°C): 265
Freezing Point (°C): 69.44
Synonyms: 2,6-Di-Tert-Butyl-4-Methylphenol, BHT
Shelf Life (months): 36
Storage: Green
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n-Propyl Alcohol
CAS Number: 71-23-8
Formula: CH3CH2CH2OH
Density: 0.8044 g/mL
Boiling and Freezing Point: 97.8°C, -127°C
Solubility: Water and Alcohol
Synonyms: 1-Propanol
Shelf Life: 24 Months
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American Chemical Society: CO2 to The Rescue Lab Activity
Invent a small device to rescue a cell phone from water.
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Exploring the Solubility Rules: A Guided Inquiry
A new way to teach an old chemistry classic.
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Wards® Nutrient Broth Powdered Media
High quality microbiological media at an economical price.
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Innovating Science® Determination of the Empirical Formula of Magnesium Oxide
Quantitative Stoichiometry
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Innovating Science® Osmosis and Diffusion Lab Activity
Learn about two forms of passive transport: diffusion and osmosis.
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Effectiveness of Sunscreen
This activity illustrates the importance sunscreen use.
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Innovating Science® Unknown Compositions - Potassium Hydrogen Phthalate
Determine the purity of a potassium hydrogen phthalate sample via acid-base titration.
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Benedict’s Quantitative Solution
CAS Number: Mixture
Formula Weight: Mixture
Density: Approximately 1 g/mL
Boiling and Freezing Point: Approximately 100 °C, Approximately 0 °C
Solubility: Water
Synonyms: Benedict's Sugar Test Reagent
Shelf Life: 36 Months
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Porphyridium
Marine. Unicellular. Erdschreiber’s medium.
Characterized by reddish plastids (rhodoplasts).
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Ward's® Live Actinosphaerium Sp. Culture
With stiff 'arms' radiating in all directions, these microscopic organisms look like sea urchins
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Ward's® Live Amphipods
Mixed genera. Also known as scuds, amphipods are freshwater crustaceans.




