"safety"

Norm-Ject® Syringes are latex free, contain no rubber, no silicone oil, styrene or DEHP and are DNA free.

SDS Right-to-Know Metal Cabinet stores your SDS information with ease.

This Hoffman electrolyzer water chemistry kit lab is a must-have for any chemistry lab.

Prefilled And Etched For Proper Breakage.

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.

Perfect for your simulation center.

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: 7727-43-7
Formula Weight: 233.43
Formula: BaSO₄
Density (g/mL): 4.5
Boiling Point (°C): 1580
Freezing Point (°C): 1580
Solubility: Concentrated Sulfuric Acid
Synonyms: Sulfuric Acid Barium Salt (1:1)
Shelf Life (months): 36
Storage: Green

CAS Number: Mixture
Formula Weight: Mixture
Formula: Mixture
Hazard Info: Toxic, Corrosive
Density (g/mL): 1.02
Boiling Point (°C): Decomposes
Freezing Point (°C): 0
Solubility: Water
Synonyms: Chlorine Test Solution
Shelf Life (months): 36
Storage: White

CAS Number: 7790-69-4
Formula Weight: 68.94
Formula: LiNO3
Hazard Info: Oxidizer, Explosive
Density (g/mL): 2.38
Boiling Point (°C): Decomposes
Freezing Point (°C): 251
Solubility: Water and Alcohol
Synonyms: Lithium Salt
Shelf Life (months): 36
Storage: Yellow

CAS Number: 7775-11-3
Formula Weight: 161.99
Formula: Na2CrO4
Hazard Info: Toxic
Density (g/mL): 2.723
Freezing Point (°C): 792
Solubility: Water and Alcohol
Synonyms: Disodium Chromate(VI), Chromate of Soda
Shelf Life (months): 36
Storage: Blue

CAS Number: 1313-84-4
Formula Weight: 240.18
Formula: Na₂S·9H₂O
Density (g/mL): 1.43
Freezing Point (°C): 50
Solubility: Water and Alcohol
Synonyms: Sodium Monosulfide Nonahydrate
Shelf Life (months): 12
Storage: White

CAS Number: 7757-83-7
Formula Weight: 126.04
Formula: Na₂SO₃
Hazard Info: Irritant
Density (g/mL): 1.4
Solubility: Water
Synonyms: Sulfurous Acid, Disodium Salt; Disodium Sulfite; Sodium Sulphite
Shelf Life (months): 12
Storage: Green

CAS Number: 10034-96-5
Formula Weight: 169.01
Formula: MnSO4·H2O
Hazard Info: Irritant
Density (g/mL): 2.95
Freezing Point (°C): 57-117
Solubility: Water
Synonyms: Manganous Sulfate, Manganese Sulfate
Shelf Life (months): 12
Storage: Green