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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.
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Potassium Carbonate 1.5-Hydrate
CAS Number: 6381-79-9
Formula Weight: 165.24
Formula: K2CO3·1.5H2O
Density (g/mL): 2.428
Freezing Point (°C): 891
Solubility: Water
Synonyms: Potash Sesquihydrate
Shelf Life (months): 12
Storage: Green
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Potassium Chromate
CAS Number: 7789-00-6
Formula Weight: 194.21
Formula: K2CrO4
Hazard Info: Toxic
Density (g/mL): 2.732
Freezing Point (°C): 975
Solubility: Water
Synonyms: Dipotassium Chromate, Neutral Potassium chromate
Shelf Life (months): 36
Storage: Blue
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Potassium Dichromate
CAS Number: 7778-50-9
Formula Weight: 294.19
Formula: K2Cr2O7
Density (g/mL): 2.67
Freezing Point (°C): 398
Solubility: Water
Synonyms: Potassium Bichromate
Shelf Life (months): 36
Storage: Yellow
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Potassium Ferrocyanide Trihydrate
CAS Number: 14459-95-1
Formula Weight: 422.41
Formula: K4Fe(CN)6·3H2O
Density (g/mL): 1.853
Freezing Point (°C): >70
Solubility: Water
Synonyms: Yellow Prussiate of Potash
Shelf Life (months): 12
Storage: Green
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Potassium Fluoride
CAS Number: 7789-23-3
Formula Weight: 58.10
Formula: KF
Density (g/mL): 2.481
Boiling Point (°C): 1505
Freezing Point (°C): 859
Solubility: Water and Hydrochloric Acid
Shelf Life (months): 36
Storage: Blue
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Potassium Nitrite
CAS Number: 7758-09-0
Formula Weight: 85.11
Formula: KNO2
Hazard Info: Oxidizer, Flammable, Irritant
Density (g/mL): 1.915
Boiling Point (°C): Explodes at 538
Solubility: Water
Synonyms: Nitrous Acid, Potassium Salt
Shelf Life (months): 36
Storage: Yellow
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Potassium Phosphate Dibasic
CAS Number: 7758-11-4
Formula Weight: 174.18
Formula: K2HPO4
Solubility: Water
Synonyms: Dipotassium hydrogenorthophosphate
Shelf Life (months): 12
Storage: Green
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Potassium Phosphate Monobasic
CAS Number: 7778-77-0
Formula Weight: 136.09
Formula: KH2PO4
Density (g/mL): 2.338
Freezing Point (°C): 253
Solubility: Water
Synonyms: Potassium Dihydrogen Phosphate
Shelf Life (months): 12
Storage: Green
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Potassium Phosphate Tribasic
CAS Number: 7778-53-2
Formula Weight: 212.3
Formula: K3PO4
Density (g/mL): 2.564
Freezing Point (°C): 1340
Solubility: Water
Synonyms: TKP, Tripotassium Orthophosphate, Phosphoric Acid, Tripotassium Salt
Shelf Life (months): 12
Storage: Green
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Potassium Polyacrylate
CAS Number: 31212-13-2
Hazard Info: Irritant
Density (g/mL): 0.6-0.7
Freezing Point (°C): 198.89
Synonyms: Acrylamide, Potassium Acrylate Copolymer, crosslinked
Shelf Life (months): 36
Storage: Green
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Potassium Thiocyanate
CAS Number: 333-20-0
Formula Weight: 97.18
Formula: KSCN
Hazard Info: Toxic
Density (g/mL): 1.886
Boiling Point (°C): 500
Freezing Point (°C): 173
Solubility: Water, Alcohol, and Acetone
Synonyms: Thiocyanic Acid Potassium Salt, Potassium Sulfocyanate, Potassium Rhodanide
Shelf Life (months): 12
Storage: Green
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Propylene Glycol
CAS Number: 57-55-6
Formula Weight: 76.10
Formula: CH3CH(OH)CH2OH
Density (g/mL): 1.038
Boiling Point (°C): 187
Freezing Point (°C): -59
Solubility: Miscible with Water and Organic Solvents
Synonyms: 1,2-Propanediol
Shelf Life (months): 36
Storage: Green
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Rennet Tablets
CAS Number: 9073-79-4
Formula Weight: Mixture
Formula: Mixture
Density (g/mL): 1.3
Synonyms: microbial Rennet
Shelf Life (months): 36
Storage: Green
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Ribonucleic Acid
CAS Number: 63231-63-0
Solubility: Water and Alcohol
Synonyms: RNA
Shelf Life (months): 36
Storage: Green
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Ringer’s Solution
Formula Weight: Mixture
Formula: Mixture
Shelf Life (months): 12
Storage: Green
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Schiff Reagent
Formula Weight: Mixture
Formula: Mixture
Hazard Info: Toxic
Synonyms: Schiff Aldehyde Solution
Shelf Life (months): 12
Storage: Green