"safety"

Meets AP Science Practices 1, 4, 5, and 6

CAS Number: 10213-79-3
Formula Weight: 212.03
Formula: Na₂SiO₃·5H₂O
Density (g/mL): 1.81
Freezing Point (°C): 72.2
Synonyms: Disodium Trioxosilicate Pentahydrate
Shelf Life (months): 36
Storage: White

CAS Number: 5968-11-6
Formula Weight: 124.00
Formula: Na2CO3·H2O
Hazard Info: Irritant
Density (g/mL): 2.25
Freezing Point (°C): 100
Solubility: Water and Glycerin
Shelf Life (months): 36
Storage: Green

CAS Number: 7447-40-7
Formula: KCl
Density: 1.986—1.990 g/mL
Boiling and Freezing Point: 1500 °C, 772 to 776 °C
Solubility: Water and Alcohol
Synonyms: Muriate of Potash, Potassium Muriate, Potassium Monochloride
Shelf Life: 36 Months

CAS Number: 7784-13-6
Formula Weight: 241.43
Formula: AlCl₃·6H₂O
Hazard Info: Irritant, Corrosive
Density (g/mL): 2.398-2.440
Solubility: Water and Alcohol
Shelf Life (months): 12
Storage: White

CAS Number: 7783-20-2
Formula Weight: 132.15
Formula: (NH₄)₂SO₄
Density (g/mL): 1.769
Solubility: Water
Synonyms: Sulfuric Acid Diammonium Salt
Shelf Life (months): 36
Storage: Green

CAS Number: 62-55-5
Formula Weight: 75.13
Formula: CH₃CSNH₂
Freezing Point (°C): 111-114
Solubility: Water, Alcohol, and Organic Solvents
Synonyms: Acetothioamide, TAA
Shelf Life (months): 36
Storage: Blue

CAS Number: 540-72-7
Formula Weight: 81.07
Formula: NaSCN
Density (g/mL): 1.74
Freezing Point (°C): 287
Solubility: Water and Alcohol
Synonyms: Sodium Rhodante, Thiocyanic Acid, Sodium Salt
Shelf Life (months): 36
Storage: Green

CAS Number: 144-55-8
Formula: NaHCO3
Density: 2.16 g/mL
Boiling Point: Decomposes
Solubility: Water
Synonyms: Baking Soda, Sodium Hydrogen Carbonate, Carbonic Acid Sodium 1:1, Indicator Powder
Shelf Life: 36 Months

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

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

CAS Number: 7732-18-5
Formula Weight: 74.10
Formula: Ca(OH)₂
Solubility: Water
Synonyms: Calcium Hydroxide Water Solution
Shelf Life (months): 12
Storage: Green

Innovative Features Designed Especially for Science Education.

This is an excellent and economical set for introductory ray optics.

Offset handle design centers the user's weight over the strongest part of the cane.

Kipp's gas generator for producing a controlled and consistent supply of gases for experiments.