88 1-800-452-1261
Potassium Thiocyanate Solution
(as KSCN)
1 Molar P0226 500 mL $10.55
0.1 Molar P0178 500 mL 8.65
For hazard alert, storage, disposal, etc.,
see Potassium Thiocyanate, P0225.
Color and Odor: Colorless, odorless liquid.
Potato Dextrose Agar
bacteriological media
P0098 100 g $ 36.70
P0099 500 g 130.00
Storage: Miscellaneous, nonhazardous organic material.
Disposal: #26a
Shelf Life: Good if kept dry.
Soluble: Water
Color and Odor: Buff solid with sour mash odor.
Potato Starch
see Starch, Potato
1-Propanol
see n-Propyl Alcohol under Propyl
2-Propanol
see Isopropyl Alcohol
Propionic Acid
propanoic acid, mold inhibitor
laboratory grade
CH3CH2COOH
F.W. 74.08
P0091 500 mL $20.90
HAZARD ALERT: Flammable liquid; flash point 54 °C (130 °F); liquid burns
skin and eyes. LD50 2600 mg/kg. TLV 30 mg/m3.
Storage: Organic #1
Disposal: #24a
Shelf Life: Indefinite
Soluble: Water, alcohol, and chloroform.
Color and Odor: Clear liquid with rancid vinegarlike odor.
CAS No. 79-09-4
Technical Note: Add 1 mL per liter of culture media for mold inhibition.
n-Propyl Alcohol
1-propanol
reagent grade
CH3CH2CH2OH
F.W. 60.10
P0228 100 mL $ 9.20
P0092 500 mL 13.60
HAZARD ALERT: Flammable liquid; dangerous fire risk; harmful to eyes
and respiratory tract. LD50 1870 mg/kg. TLV 492 mg/m3.
Storage: Organic #2 in a dedicated flammables cabinet.
If one is not available,
store in a Flinn Saf-Stor™ Can.
Disposal: #18b
Shelf Life: Indefinite if stored safely.
Soluble: Water and alcohol.
Color and Odor: Colorless liquid with alcohol odor.
CAS No. 71-23-8
Q
Quicklime
see Calcium Oxide
Quieting Solution
see Polyvinyl Alcohol, 10% or Methyl Cellulose, 3%
R
Rennin
rennet, cheese-making enzyme; see chymosin
Resazurin Solution
1%, aqueous R0013* 20 mL $9.30
biological stain/indicator
pH 3.8 orange to 6.5 violet
C12H6NO4Na
F.W. 251.18
Storage: Organic #9
Disposal: #26a
Shelf Life: Indefinite
Soluble: Slightly in water; soluble in dilute alkali.
Color: Blue/black
*Special, unique dropping bottle package called a Flinn E-Z Drop™.
Resin, Ion Exchange
see Ion Exchange Resin
Rhodizonic Acid, Disodium Salt
see Sodium Rhodizonate
Ribonucleic Acid
ribose nucleic acid, RNA
from yeast N0018 25 g $110.00
Storage: Organic #1
Disposal: #26a
Shelf Life: Indefinite
Soluble: Water and alcohol.
Color and Odor: White, odorless solid.
CAS No. 63231-63-0
RNA
see Ribonucleic Acid
Rochelle Salt
see Potassium Sodium Tartrate
Rubbing Alcohol
see Isopropyl Alcohol, 70%
S
Safranin Staining Solution
1%, aqueous
S0178 500 mL $27.75
Storage: Organic #9
Disposal: #26b
Shelf Life: Indefinite
Color and Odor: Red, odorless liquid.
Safranin Staining Solution
Gram counter stain
0.25%, alcoholic S0169 500 mL $14.40
HAZARD ALERT: 40% alcohol based solution; vapors may be flammable.
Storage: Organic #9
Disposal: #26b
Shelf Life: Indefinite if stored safely.
Color and Odor: Red liquid with alcohol odor.
Sal Ammoniac
see Ammonium Chloride
Salicylic Acid
laboratory grade, crystal
2-HOC6H4COOH
F.W. 138.13
S0001 100 g $ 8.35
S0002 500 g 23.00
HAZARD ALERT: Moderately toxic by ingestion; LD50 (mouse) 480 mg/kg.
Storage: Organic #1
Disposal: #24a
Shelf Life: Indefinite
Soluble: Slightly in water; many organic solvents.
Color and Odor: White, odorless solid.
CAS No. 69-72-7
E-Z Drop™ Bottle
Flinn’s E-Z Drop™ bottles are great for storing and
dispensing indicator solutions.
Flinn always provides safe and easy-to-use packaging.
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