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.
Dimethyl Sulfoxide
CAS Number: 67-68-5
Formula Weight: 78.13
Formula: C2H6SO
Density (g/mL): 1.10
Boiling Point (°C): 189
Freezing Point (°C): 18.4
Solubility: Organic Solvents, Water
Synonyms: DMSO, Methyl Sulfoxide
Shelf Life (months): 36
Storage: Red
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Dimethylglyoxime
CAS Number: 95-45-4
Formula Weight: 116.12
Formula: (CH3C:NOH)2
Hazard Info: Toxic
Freezing Point (°C): 235-240
Solubility: Alcohol and Ether
Synonyms: 2,3-Butanedione dioxime
Shelf Life (months): 36
Storage: Green
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Diphenylamine
CAS Number: 122-39-4
Formula Weight: Mixture
Formula: Mixture
Hazard Info: Toxic
Density (g/mL): 1.16-1.84
Boiling Point (°C): 275-325
Freezing Point (°C): <11
Solubility: Organic Solvents
Synonyms: Diphenylamine Oxidation-Reduction Indicator Solution, Diphenylamine-Sulfuric Acid Solution
Shelf Life (months): 36
Storage: White
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Dodecyl Alcohol
CAS Number: 112-53-8
Formula Weight: 186.34
Formula: CH3(CH2)11OH
Density (g/mL): 0.830-0.836
Boiling Point (°C): 254
Solubility: Alcohol
Synonyms: 1-Dodecanol, Lauryl Alcohol
Shelf Life (months): 36
Storage: Green
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Drierite®
CAS Number: Mixture
Formula Weight: Mixture
Formula: Mixture
Density (g/mL): 2.32-2.96
Freezing Point (°C): 1450
Solubility: Water
Synonyms: Calcium Sulfate Anhydrous Indicating, Anhydrous Gypsum
Shelf Life (months): 12
Storage: Green
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EDTA Disodium Salt
CAS Number: 6381-92-6
Formula Weight: 372.24
Formula: C10H14N2Na2O8·2H2O
Solubility: Slightly in Water
Synonyms: Ethylenediaminetetraacetic Acid, Disodium EDTA Dihydrate
Shelf Life (months): 36
Storage: Green
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EDTA
CAS Number: 60-00-4
Formula Weight: 292.25
Formula: C10H16N2O8
Density (g/mL): 0.86
Boiling Point (°C): Decomposes
Solubility: Slightly in Water
Synonyms: Edetic Acid, Ethylenediaminetetraacetic Acid (Free acid)
Shelf Life (months): 36
Storage: Green
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Eriochrome Black T
CAS Number: 1787-61-7
Formula Weight: 461.38
Formula: C20H12N3NaO7S
Solubility: Hot Water
Synonyms: Mordant Black 11, C.I. No. 14645
Shelf Life (months): 36
Storage: Green
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Ethidium Bromide
CAS Number: Mixture
Formula Weight: Mixture
Formula: Mixture
Density (g/mL): Approximately 1.0
Boiling Point (°C): Approximately 100
Freezing Point (°C): Approximately 0
Solubility: Water
Shelf Life (months): 36
Storage: Blue
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Ethyl Acetate
CAS Number: 141-78-6
Formula Weight: 88.11
Formula: CH3COOC2H5
Hazard Info: Flammable, Explosive, Irritant
Density (g/mL): 0.902
Boiling Point (°C): 77
Freezing Point (°C): -83.6
Solubility: Common Organic Solvents and Slightly in Water
Synonyms: Ethyl Acetic Ester
Shelf Life (months): 36
Storage: Red
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Guar Gum
CAS Number: 9000-30-0
Solubility: Water
Synonyms: Guar Flour
Shelf Life (months): 36
Storage: Green
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Gum Arabic
CAS Number: 9001-01-5
Hazard Info: Allergen
Density (g/mL): 1.35-1.49
Solubility: Water
Synonyms: Acacia, Aracia Gum
Shelf Life (months): 36
Storage: Green
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Heptane
CAS Number: 142-82-5
Formula Weight: 100.21
Formula: CH3(CH2)5CH3
Hazard Info: Flammable, Toxic
Density (g/mL): 0.7-0.71
Boiling Point (°C): 90-100
Solubility: Alcohol, Ether and Chloroform
Synonyms: n-Heptane, normal-Heptane
Shelf Life (months): 36
Storage: Red
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Hexanes
CAS Number: 110-54-3
Formula: C6H14
Density: 0.660—0.690 g/mL
Boiling Point: 63—68°C
Solubility: Alcohol, Acetone, and Ether
Synonyms: Hexane and n-Hexane
Shelf Life: 36 Months
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Humectant
Formula Weight: Mixture
Formula: Mixture
Density (g/mL): Approximately 1.0
Boiling Point (°C): >187
Shelf Life (months): 6
Storage: Green
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Hydroxylamine Hydrochloride
CAS Number: 5470-11-1
Formula Weight: 69.49
Formula: NH2OH·HCl
Hazard Info: Corrosive
Density (g/mL): 1.67
Synonyms: Hydroxylammonium Chloride
Shelf Life (months): 36
Storage: White