"safety"

With this kit, students visualize an abstract concept In under 15 minutes.

CAS Number: 143-07-7
Formula Weight: 200.32
Formula: CH3(CH2)10CO2H
Density (g/mL): 0.89
Boiling Point (°C): 190
Freezing Point (°C): 43
Solubility: Ether and Benzene
Synonyms: Dodecanoic Acid
Shelf Life (months): 36
Storage: Green

CAS Number: 1317-38-0
Formula Weight: 79.54
Formula: CuO
Hazard Info: Toxic
Density (g/mL): 6.0
Freezing Point (°C): 1234
Solubility: Acids
Synonyms: Cupric Oxide, Black
Shelf Life (months): 36
Storage: Green

CAS Number: 7631-99-4
Formula Weight: 84.99
Formula: NaNO3
Hazard Info: Oxidizer, Explosive, Toxic
Density (g/mL): 2.261
Freezing Point (°C): 307
Solubility: Water and Alcohol
Synonyms: Nitrate of Soda, Chile Saltpeter
Shelf Life (months): 36
Storage: Yellow

CAS Number: 7772-98-7
Formula Weight: 158.11
Formula: Na₂S₂O₃
Density (g/mL): 1.667
Boiling Point (°C): >100
Freezing Point (°C): 48
Solubility: Water
Synonyms: Sodium Hyposulfite
Shelf Life (months): 12
Storage: Green

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

CAS Number: 5970-45-6
Formula Weight: 219.50
Formula: Zn(C₂H₃O₂)₂·2H₂O
Hazard Info: Irritant
Density (g/mL): 1.74
Solubility: Water and Alcohol
Shelf Life (months): 36
Storage: Green

Use the Turbidity sensor to measure the turbidity of freshwater or seawater samples. Its small, sleek design and simple setup make it easy to use at the collection site or when you return to the classroom.

The GHS Information Center keeps employees up to date.

Create prints and textile art with colorful bacteria.

Our API scale hydrometers measure the scale which was selected in 1921 by the American Petroleum Institute (API), the U.S. Bureau of Mines, and the National Institute of Standards and Technology (NIST) as the standard hydrometer scale for petroleum products.

CAS Number: 103-84-4
Formula Weight: 135.17
Formula: CH₃CONHC₆H₅
Density (g/mL): 1.2
Boiling Point (°C): 304
Freezing Point (°C): 115
Solubility: Hot Water, Alcohol, and Organic Solvents
Synonyms: N-phenyl-acetamide
Shelf Life (months): 12
Storage: Green

CAS Number: 62625-28-9
Formula Weight: 691.97
Formula: C₁₉H₉Br₄NaO₅S
Density (g/mL): >1
Boiling Point (°C): Decomposes
Freezing Point (°C): Decomposes
Solubility: Water
Synonyms: Bromophenol Blue, pH Indicator
Shelf Life (months): 36
Storage: Green

CAS Number: 1829-00-1
Formula: C₂₈H₁₉N₅Na₂O₆S<sub>4
Formula Weight: 695.68Shelf Life (months): 36
Solubility: Water, Alcohol
Storage: Green

Please Note: This product is designed for educational and teaching laboratories and no certificate of analysis is available.</sub>

Meets AP Science Practices 3, 4, 5, 6, and 7

CAS Number: 108-88-3
Formula Weight: 92.14
Formula: C₆H₅CH₃
Density (g/mL): 0.863
Boiling Point (°C): 109-112
Freezing Point (°C): -95
Solubility: Alcohol
Synonyms: Toluol, Methyl Benzene
Shelf Life (months): 36
Storage: Red