flinnsci.com CHEMICALS SAVE ON HAZMAT FEES 85
Sodium Hydrogen Carbonate
see Sodium Bicarbonate
Sodium Hydrogen Citrate
crystalline powder
citric acid, disodium salt
sodium citrate, dibasic
Na2C6H6O7•1.5H2O
F.W. 263.11 S0456 25 g $13.73
HAZARD ALERT: May be irritating to body tissue.
Storage: Inorganic #2
Disposal: #26a
Shelf Life: Indefinite.
Soluble: Water; not alcohol.
Color and Odor: White, odorless solid.
CAS No. 6132-05-4
Sodium Hydrogen Phosphate
see Sodium Phosphate, Dibasic
Sodium Hydrogen Sulfate
see Sodium Bisulfate
Sodium Hydroxide
caustic soda, soda lye
NaOH
F.W. 40.00
Reagent S0074 100 g $ 9.05
pellet S0075 500 g 19.05
S0076 2 kg 59.25/1
229.80/4
Laboratory grade S0279 500 g $ 9.67
flake S0077 2 kg 22.36
HAZARD ALERT: Corrosive solid; skin burns are possible; large amounts
of heat evolve when added to water; very dangerous to eyes; wear face and
eye protection when using this substance. Wear gloves. TLV 2 mg/m3.
Storage: Inorganic #4
Disposal: #10
Shelf Life: Good; keep tightly closed.
Soluble: Water and alcohol.
Color and Odor: White, odorless solid.
CAS No. 1310-73-2
Sodium Hydroxide and Heat
Preparing Sodium Hydroxide Solution?
A large amount of heat is released when sodium hydroxide dissolves in
water. The temperature of the solution may increase very rapidly. In fact, the
temperature may rise so fast that the solution will boil and possibly spatter
a hot, caustic solution. Immerse the beaker or flask in an ice water bath
to control the solution temperature. Add ingredients slowly while stirring
continuously. Use only borosilicate glassware, and make sure that there are
no scratches, chips or breaks.
Water
Ice and Water
Sodium
Hydroxide
Sodium Hydroxide, Gramolpak
(as NaOH)
1 Molar S0394* pkg. $8.54
(Makes 1 L)
0.1 Molar S0292* pkg. $8.03
(Makes 1 L)
For hazard alert, storage, disposal, etc.,
see Sodium Hydroxide, S0074.
*Gramolpak™ is a unique package that
makes a known solution with distilled water.
Sodium Hydroxide Solution
50%
(as NaOH)
approx. 19 M
S0078 500 mL $21.29
HAZARD ALERT: Corrosive liquid; skin burns are possible; very dangerous
to eyes; wear gloves.
Storage: Inorganic #4
Disposal: #10
Shelf Life: Good if kept tightly closed.
Color and Odor: Colorless, odorless liquid.
Sodium Hydroxide Solution
(as NaOH)
6 Molar S0242 500 mL $11.29
3 Molar S0447 500 mL 9.78
1 Molar S0148 500 mL 7.74
0.5 Molar S0243 500 mL 7.42
0.2 Molar S0244 500 mL 6.99
0.1 Molar S0149 500 mL 6.45
For hazard alert, storage, disposal, etc.,
see Sodium Hydroxide Solution, 50%, S0078.
Sodium Hypochlorite Solution
bleach, 5% available chlorine
NaOCl
F.W. 74.44
S0080 1 liter $11.56
S0081 3.78 liters 19.62
HAZARD ALERT: Corrosive liquid; causes skin burns; reacts with acid
to evolve chlorine gas; evolves chlorine when heated; moderately toxic by
ingestion and inhalation; avoid contact with organic material.
Storage: Inorganic #6
Disposal: #26b
Shelf Life: Fair; decomposes upon exposure to heat or light. Store in a cool,
dry place.
Color and Odor: Faint yellow liquid; odor like chlorine or bleach.
CAS No. 7681-52-9 (for pure NaOCl)
Technical Note: Flinn sodium hypochlorite solution contains 5–5½% w/v
sodium hypochlorite. Solution is approximately 0.7 M.
Sodium Hyposulfite
see Sodium Thiosulfate
Sodium Iodate
laboratory grade, powder
NaIO3
F.W. 197.90
S0082 100 g $41.23
HAZARD ALERT: Oxidant; fire risk in contact with organic material;
slightly toxic by ingestion.
Storage: Inorganic #6
Disposal: #12a
Shelf Life: Deliquescent; changes color on expo sure to light; keep tightly
closed; store in a Flinn Chem-Saf ™ Bag.
Soluble: Water and acetone; not alcohol.
Color and Odor: White solid with faint iodine odor.
CAS No. 7681-55-2
Sodium Iodide
granular
NaI
F.W. 149.92
Reagent S0083 25 g $14.82
S0084 100 g 39.02
SODIUM IODIDE continued on next page.
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