Epinephrine may injected or applied for a variety of indications, such as vasoconstriction or the treatment of severe allergic reactions. It is often supplied as a dilute solution that may need to be further diluted to achieve the desired concentration.
molecular weight: 183.21 (Merck Index)
Dilution
Percent Solution
Concentration
1:100
1%
10 mg/mL
1:1,000
0.1%
1.0 mg/mL
1:5,000
0.02%
0.2 mg/mL
1:10,000
0.01%
0.10 mg/mL
1:50,000
0.002%
0.02 mg/mL
1:100,000
0.001%
0.01 mg/mL
1:200,000
0.0005%
0.005 mg/mL
1:500,000
0.0002%
0.002 mg/mL
where:
• 1 mL should have a weight of about 1 gram. 1 mg in 1 mL would be 1 part in a 1000.
percent solution for a dilution of 1:x =
= (1 / x) * 100%
mg epinephrine per mL =
= 10 * (percent as %) = 1,000 * (percent as decimal fraction)
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