flinnsci.com CHEMICALS SAVE ON HAZMAT FEES 95
Sodium Phosphate, Tribasic
TSP, trisodium phosphate
laboratory grade, granular
Na3PO4•12H2O
F.W. 380.12
S0101 500 g $14.65
HAZARD ALERT: Slightly toxic by ingestion; severe body tissue irritant.
Storage: Inorganic #2
Disposal: #26a
Shelf Life: Indefinite
Soluble: Water
Color and Odor: White, odorless solid.
CAS No. 10101-89-0
Technical Note: Excellent cleaner for washing wood acid cabinets.
Sodium Phosphate, Tribasic, Solution
0.1 Molar
(Na3PO4•12H2O) S0250 500 mL $7.05
For hazard alert, storage, etc.,
see Sodium Phosphate, Tribasic, S0101.
Disposal: #26b
Color and Odor: Colorless, odorless liquid.
Sodium Polyacrylate
powder W0013 100 g $ 11.05
W0014 500 g 28.25
Storage: Organic #3
Disposal: #26a
Shelf Life: Good if kept dry.
Soluble: Water
Color and Odor: White, odorless solid.
CAS No. 9003-04-7
Technical Note: Sodium polyacrylate is a super absorbent that will absorb
about 800 times its weight in distilled water.
Sodium Potassium Tartrate
see Potassium Sodium Tartrate
Sodium Rhodizonate
rhodizonic acid, disodium salt
C6O6Na2
F.W. 214.06
S0448 1 g $12.00
Storage: Organic #1
Disposal: #26a
Shelf Life: Indefinite
Soluble: Water
Color and Odor: Gray, odorless solid.
CAS No. 523-21-7
Technical Note: Use a 0.2% aqueous solution as a lead testing reagent.
Solution must be made fresh.
Sodium Silicate Solution
water glass
laboratory grade S0102 500 mL $ 6.40
S0103 4 liters 27.25
HAZARD ALERT: Body tissue irritant.
Storage: Inorganic #4
Disposal: #26b
Shelf Life: Indefinite
Color and Odor: Colorless, odorless liquid.
Technical Note: This solution is 37–40% sodium silicate, (40–42 °Be,
approx. density 1.40). It is prepared using a high-temperature, high-pressure
process and cannot be made in lab.
Sodium Sulfate
Glauber’s salt, decahydrate
reagent grade, crystal
Na2SO4•10H2O
F.W. 322.19
S0225 100 g $12.35
S0104 500 g 40.30
Storage: Inorganic #2
Disposal: #26a
Shelf Life: Substance loses water of hydration at 100 °C; indefinite.
Soluble: Water; not alcohol.
Color and Odor: White, odorless solid.
CAS No. 7727-73-3
Sodium Sulfate
anhydrous
Na2SO4
F.W. 142.02
Reagent S0105 500 g $15.40
granular
Laboratory grade S0107 500 g $ 6.69
powder S0108 2 kg 18.85
Storage: Inorganic #2
Disposal: #26a
Shelf Life: Indefinite
Soluble: Water; not alcohol.
Color and Odor: White, odorless solid.
CAS No. 7757-82-6
Sodium Sulfide
chunk
Na2S•9H2O
F.W. 240.18
Reagent S0109 100 g $22.70
S0110 500 g 47.50
Laboratory grade S0439 100 g $15.10
HAZARD ALERT: Toxic by ingestion and skin absorption; corrosive to skin
and eyes. LD50 (for anhydrous salt) 208 mg/kg.
Storage: Inorganic #5
Disposal: #23
Shelf Life: Deliquescent; store in a Flinn Chem-Saf ™ Bag and then inside a
Flinn Saf-Stor™ Can.
Soluble: Water; slightly in alcohol.
Color and Odor: Colorless solid with rotten egg odor.
CAS No. 1313-84-4
Technical Note: Readily absorbs water from air. May appear as a slurry,
especially under hot, humid conditions.
Sodium Sulfite
anhydrous
laboratory grade, granular
Na2SO3
F.W. 126.05
S0111 500 g $12.00
HAZARD ALERT: Slightly toxic; possible body tissue irritant. LD50
3560 mg/kg.
Storage: Inorganic #2
Disposal: #12b
Shelf Life: Moisture-sensitive.
Soluble: Water; not alcohol.
Color and Odor: White, odorless solid.
CAS No. 7757-83-7
Sodium Sulfite Solution
1 Molar
(as Na2SO3) S0253 500 mL $8.15
Storage: Inorganic #2
Disposal: #12b
Shelf Life: Good
Color and Odor: Colorless, odorless liquid.
Sodium Tetraborate
see Sodium Borate
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