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CAS Number: 1718-34-9
Formula Weight: 309.22
Formula: C₁₃H₈N₃O₅Na
Hazard Info: Irritant
Density (g/mL): >1
Boiling Point (°C): Decomposes
Freezing Point (°C): 250
Solubility: Many Organic Solvents, Hot Methyl Alcohol and Water
Synonyms: Mordant Yellow 3R, C.I. No. 14095
Shelf Life (months): 36
Storage: Green

CAS Number: 7789-09-5
Formula Weight: 252.06
Formula: (NH₄)₂Cr₂O₇
Hazard Info: Oxidizer, Flammable, Toxic, Irritant
Density (g/mL): 2.15
Freezing Point (°C): 170
Solubility: Water and Alcohol
Synonyms: Ammonium Bichromate, Dichromic Acid Diammonium Salt, Diammonium Dichromate(VI)
Shelf Life (months): 12
Storage: Yellow

CAS Number: 1319-46-6
Formula: (PbCO₃)₂ • Pb(OH)₂
Formula Weight: 775.60
Freezing Point (°C): 400
Hazard Info: Toxic, Irritant
Shelf Life (months): 12
Solubility: Acids
Storage: Green
Synonyms: White Lead, Basic Lead Carbonate

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

Rugged and reliable analog hotplates and stirrers for general purpose heating and stirring. They are ideal for lab environments that require affordable, everyday fast heating and reliable stirring. All three sizes offer simple knob control to easily adjust the heating and stirring functions.

Indispensable tool for portable environmental monitoring.

Trainees and students in midwifery and obstetrics can practice correctly assessing the progress of the birth by palpating, using the birth stages trainer.

Aluminum double tube, 90 cm length, Ø 2.5 cm, 5 openings with safe grip handles.

Brass double tube, 75 cm length, Ø 1.25 cm, 5 openings with safe grip handles.

Create living paintings with colorful bacteria.

CAS Number: 573-58-0
Formula Weight: 696.68
Formula: C₃₂H₂₂N₆Na₂O₆S₂
Hazard Info: Toxic
Solubility: Water and Alcohol
Synonyms: Direct Red 28, C.I. No. 22120, Congo Red Stain, Congo Red Biostain
Shelf Life (months): 36
Storage: Green

Meets AP Science Practices 1, 2, 4, 5, 6, and 7

Meets AP Science Practices 1, 4, and 6

CAS Number: 108-24-7
Formula Weight: 102.09
Formula: C₄H₆O₃
Hazard Info: Irritant, Corrosive, Flammable
Density (g/mL): 1.08
Boiling Point (°C): 139.9
Freezing Point (°C): -73
Solubility: Reacts with Water and Alcohol
Synonyms: Acetic Oxide, Acetyl Oxide, Ethanoic Anhydride, Acetic Acid Anhydride
Shelf Life (months): 36
Storage: White

CAS Number: 140-66-9
Formula Weight: 206.33
Formula: (CH₃)₃CCH₂(CH₃)₂C₆H₄OH
Hazard Info: Corrosive
Density (g/mL): 0.912
Boiling Point (°C): 221.2
Freezing Point (°C): 101.5
Solubility: Water and Alcohol
Synonyms: p-tert-Octylphenol, 4-(tert-octyl) Phenol
Shelf Life (months): 36
Storage: White

CAS Number: 10035-06-0
Formula Weight: 485.1
Formula: Bi(NO₃)₃·5H₂O
Hazard Info: Oxidizer, Flammable, Irritant
Density (g/mL): 2.830
Boiling Point (°C): 80
Freezing Point (°C): 30
Solubility: Nitric Acid, Alcohol and Acetone
Synonyms: Bismuth(III) Nitrate 5-Hydrate, Bismuth Trinitrate, Bismuth Nitrate
Shelf Life (months): 12
Storage: Yellow

Erlab’s Captair Ductless Filtering Fume Hoods and Powder Weighing Stations are 100% ductless, meaning no HVAC connection to the outside is required. Some models can be placed on mobile bases to be wheeled around, or shared between laboratories. The units offer end users protection from particulate, and or liquid handlings. Units are also cleanroom compliant with HEPA at the exhaust. Customers can weigh down to six decimal places without interruption of the scale.