Page 52 - Demo

Chemicals
Ferroin Solution
0.5% aqueous
oxidation–reduction indicator
contains: 1,10-phenanthroline, ferrous sulfate, and water
F0073* 10 mL
Storage: Organic #2
Disposal: #5
Shelf Life: Good
Color and Odor: Red, odorless liquid.
1-800-452-1261
50
flinnsci.com
*Special and unique dropping bottle package called a Flinn E-Z DropTM.
Ferrous Ammonium Sulfate
reagent grade, crystal Fe(NH4)2(SO4)2•6H2O F.W. 392.16
F0013 100 g F0014 500 g
$12.00 32.00
V0003 set contains 0.25 oz. each of red, yellow, blue, and green
$ 6.15 $13.20
 HAZARD ALERT: Slightly toxic by ingestion. LD50 3250 mg/kg. Storage: Inorganic #2
Disposal: #26a
Shelf Life: Fair to poor; substance deliquescent and affected by light; store in a Flinn Chem-Saf TM Bag and then inside a Flinn Saf-StorTM Can.
Red food dye
V0006 100 mL
Soluble: Water; not alcohol.
Color and Odor: Light green, odorless solid. CAS No. 7783-85-9
Ferrous Ammonium Sulfate Solution
0.1 Molar
(as Fe(NH4)2(SO4)2•6H2O)
F0030 500 mL
 HAZARD ALERT: Corrosive; contains dilute sulfuric acid.
Storage: Inorganic #2
Disposal: #26b
Shelf Life: Poor
Color and Odor: Light green, odorless liquid.
Fluorene
Storage: Organic #3
Disposal: #18b
Shelf Life: Good, if stored safely.
Soluble: Soluble in glacial acetic acid and hot alcohol; insoluble in water.
Color and Odor: White crystalline powder; odorless.
CAS No. 86-73-7
Storage: Organic #9
Disposal: #26a
Shelf Life: Indefinite
Soluble: Water and alcohol.
Color and Odor: Various as above, odorless.
Food Dyes, FD&C
Set of seven
FD&C Red 3, Red 40, Yellow 5, Yellow 6, Green 3, Blue 1, and Blue 2
AP7375 set
Storage: Organic #9
Disposal: #26a
Shelf Life: Indefinite
Soluble: Water
Color and Odor: Varied colors; odorless.
$42.80
9H-fluorene, o-biphenylenemethane technical grade, 95–100%, crystalline powder C13H10 F0076 F.W. 166.22
$12.00
$22.40
Formaldehyde Solution
37% solution
also known as formalin HCHO
F.W. 30.03
ACS Reagent
10–12% methanol Laboratory grade 10–12% methanol
25 g  HAZARD ALERT: May cause eye and skin irritation.
F0019 500 mL F0020 4 liters F0021 4 liters
$11.20 44.45 $25.65
$9.15
FLUORESCEIN continued
Storage: Organic #9
Disposal: #26a
Shelf Life: Indefinite
Soluble: Water
Color and Odor: Rust/orange, odorless solid. CAS No. 518-47-8
Fluorspar
see Calcium Fluoride
Foam
see Polyurethane Foam System
Food Coloring Dyes
Dye set
Fluorenone
fluoren-9-one, 9H-fluoren-9-one reagent grade, 98%, crystalline
C13H8O
F0077 25 g
$20.05
HAZARD ALERT: Known carcinogen; strong irritant. Avoid breathing vapor and avoid skin contact. Use a fume hood. Highly toxic by ingestion, inhalation, and skin absorption. Possible repro- ductive/fertility hazard. LD50 100 mg/kg. TLV 0.3 ppm, PEL 0.75 ppm as formaldehyde gas.
Storage: Organic #3
Disposal: #2. U-Listed (U122); purchase small amounts for effec- tive inventory control.
Shelf Life: Fair. The white flaky solid on the bottom of old formal- dehyde bottles is paraformaldehyde or trioxane.
Soluble: Water and alcohol.
Color and Odor: Colorless liquid with formaldehyde odor.
Safety Purchase Suggestion: See listing for FormalternateTM.
CAS No. 50-00-0
F.W. 180.20
 HAZARD ALERT: May cause skin and eye irritation.
Storage: Organic #4
Disposal: #18b
Shelf Life: Good, if stored safely.
Soluble: Alcohol and acetone; insoluble in water. Color and Odor: Yellow crystalline solid; odorless. CAS No. 486-25-9
Fluorescein
uranin, disodium salt
fluorescent dye/indicator
pH 4.0 colorless to 4.5 dark green with fluorescence reagent grade, crystal
Formalin
 HAZARD ALERT: Formaldehyde is a known carcinogen. This is a dilute (4%) solution of formaldehyde; nevertheless, avoid skin contact. Provide lots of ventilation.
Storage: Organic #3
C20H10O5Na2 F.W. 376.26
F0043 F0018
25 g 100 g
$10.90 23.90
Continued on next column.
FORMALIN continued on next page.
10% formalin, equivalent to 4% formaldehyde neutral, buffered F0035
$19.05 53.50
1 liter F0036 4 liters