"S"
Sodium Thiosulfate, Anhydrous
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
Expand 6 Items
Sodium Fluoride
CAS Number: 7681-49-4
Formula Weight: 41.99
Formula: NaF
Hazard Info: Toxic
Density (g/mL): 2.78
Boiling Point (°C): 1704
Freezing Point (°C): 993
Solubility: Water and Alcohol
Synonyms: Fluoridine
Shelf Life (months): 36
Storage: Blue
Expand 4 Items
Strontium Nitrate
CAS Number: 10042-76-9
Formula Weight: 211.63
Formula: Sr(NO3)2
Hazard Info: Oxidizer, Flammable, Toxic, Irritant
Density (g/mL): 2.986
Freezing Point (°C): 570
Solubility: Water and Alcohol
Shelf Life (months): 36
Storage: Yellow
Expand 8 Items
Sodium Nitrite
CAS Number: 7632-00-0
Formula Weight: 69.00
Formula: NaNO2
Hazard Info: Oxidizer, Flammable, Explosive, Toxic
Density (g/mL): 2.17
Freezing Point (°C): 270
Solubility: Water and Alcohol
Synonyms: Nitrous Acid Sodium Salt
Shelf Life (months): 36
Storage: Yellow
Expand 1 Items
Sodium Hydroxide
CAS Number: 1310-73-2
Formula: NaOH
Density: 2.13 g/mL
Boiling and Freezing Point: 1390°C, 318°C
Solubility: Water and Alcohol
Synonyms: Caustic Soda
Shelf Life: 36 Months
Expand 23 Items
Sodium Sulfate
CAS Number: 7757-82-6
Formula Weight: 142.04
Formula: Na2SO4
Density (g/mL): 2.698
Boiling Point (°C): >1000
Freezing Point (°C): 888
Solubility: Water
Synonyms: Disodium Sulfate
Shelf Life (months): 36
Storage: Green
Expand 9 Items
Sebacoyl Chloride
CAS Number: 111-19-3
Formula Weight: 239.14
Formula: ClCO(CH2)8COCl
Hazard Info: Flammable, Toxic, Irritant
Density (g/mL): 1.121
Boiling Point (°C): 168
Solubility: Hydrocarbons and Ether
Synonyms: Sebacyl Chloride, Sebacoyl Dichloride
Shelf Life (months): 36
Storage: White
Expand 2 Items
Sodium Chromate Anhydrous
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
Expand 3 Items
Sodium Sulfite
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
Expand 3 Items
Sodium Sulfide 9-Hydrate
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
Expand 2 Items
Silver Oxide
CAS Number: 20667-12-3
Formula Weight: 231.74
Formula: Ag2O
Hazard Info: Oxidizer
Density (g/mL): 7.22
Solubility: Ammonium Hydroxide, Nitric Acid, Sodium Thiosulfate Solution, Water
Synonyms: Disilver Oxide, Silver(I) Oxide
Shelf Life (months): 36
Storage: Yellow
Expand 1 Items
Sulfamic Acid
CAS Number: 5329-14-6
Formula Weight: 97.09
Formula: H3NO3S
Hazard Info: Toxic
Density (g/mL): 2.15
Freezing Point (°C): 205
Solubility: Water, Alcohol and Acetone
Synonyms: Sulfamidic Acid, Aminosulfonic acid
Shelf Life (months): 36
Storage: White
Expand 1 Items
Stearic Acid
CAS Number: 57-11-4
Formula Weight: 284.49
Formula: CH3(CH2)16COOH
Density (g/mL): 0.847
Boiling Point (°C): >315
Freezing Point (°C): 53-56
Solubility: Organic Solvents, Not Soluble in Water
Synonyms: Octadecanoic Acid
Shelf Life (months): 36
Storage: Green
Expand 2 Items
Sucrose Solution
CAS Number: 57-50-1
Formula Weight: 342.30
Formula: C12H22O11
Density (g/mL): 1.58
Freezing Point (°C): 185.5
Solubility: Water
Synonyms: Cane Sugar, Beet Sugar
Shelf Life (months): 36
Storage: Green
Expand 1 Items
Sodium Polyacrylate
CAS Number: 9003-04-7
Formula: (C3H3NaO2)n
Density (g/mL): 0.4 - 0.7
Freezing Point (°C): >198.89
Solubility: insoluble in water/swells in water
Synonyms: Acrylic acid polymer
Shelf Life (months): 12
Storage: Green
Expand 1 Items
Innovating Science Unknown Compositions Samples: Soda Ash
A series of sodium carbonate (soda ash) samples with a range of known purities.




