CAS No. 51-43-4 (L(-)-Epinephrine )
Molecular Formula: C9H13NO3Molecular Formula: 183.21
Identification of 51-43-4
- Name:
- L(-)-Epinephrine (Related Reference)
- EINECS:
- 200-098-7
- Molecular Formula:
- C9H13NO3
- CAS Registry Number:
- 51-43-4
- Synonyms:
- L-Epinephrine; L-Adrenaline base; l-3,4-Dihydroxy-alpha-(methylaminomethyl)benzyl alcohol; L-Adrenaline; L-Adrenalin; Epinephrine
- InChI:
- InChI=1/C9H13NO3/c1-10-5-9(13)6-2-3-7(11)8(12)4-6/h2-4,9-13H,5H2,1H3/t9-/m0/s1
- Molecular Structure:

- This structure is also available as a 2d Mol file
Chemical Properties
- Appearance:
- white to yellowish fine crystalline powder
- Molecular Weight:
- 183.21
- Density:
- 1.283 g/cm3
- Boiling Point:
- 413.1 °C at 760 mmHg
- Melting Point:
- 208-211℃
- Flash Point:
- 207.9 °C
- Alpha:
- -51.5 o (C=4, 1M HCL, DRY SUB)
- Storage Temperature:
- 2-8°C
- Refractive index:
- -51.5 ° (C=4, 1mol/L HCl)
- Solubility:
- <0.01 g/100 mL at 18 °C
- Stability:
- Stable. Incompatible with acids, acid chlorides, acid anhydrides, oxidizing agents. Light sensitive.
Safety Data of 51-43-4
- Risk Codes:
- R23/24/25;R33;R36/37/38;R52/53
- Safety Statements:
- S23;S26;S36/37/39;S45;S61
- Hazard Symbols:
-

T:Toxic
HazardClass:6.1
- MSDS infomation:
- L(-)-Epinephrine (51-43-4).msds
MSDS Documents
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References of L(-)-Epinephrine
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| cat | LDLo | intravenous | 500ug/kg (0.5mg/kg) | ? | "Structure et Activite Pharmacodyanmique des Medicaments du Systeme Nerveux Vegetatif," Bovet, D., and F. Bovet-Nitti, New York, S. Karger, 1948Vol. -, Pg. 22, 1948. |
| cat | LDLo | subcutaneous | 20mg/kg (20mg/kg) | ? | "Structure et Activite Pharmacodyanmique des Medicaments du Systeme Nerveux Vegetatif," Bovet, D., and F. Bovet-Nitti, New York, S. Karger, 1948Vol. -, Pg. 22, 1948. |
| dog | LD50 | intravenous | 100ug/kg (0.1mg/kg) | ? | Drugs in Japan Vol. 6, Pg. 120, 1982. |
| dog | LD50 | subcutaneous | 5mg/kg (5mg/kg) | ? | Drugs in Japan Vol. 6, Pg. 120, 1982. |
| dog | LDLo | parenteral | 5ug/kg (0.005mg/kg) | CARDIAC: ARRHYTHMIAS (INCLUDING CHANGES IN CONDUCTION) | Pharmacology: International Journal of Experimental and Clinical Pharmacology. Vol. 1, Pg. 189, 1968. |
| guinea pig | LDLo | intravenous | 100ug/kg (0.1mg/kg) | ? | "Structure et Activite Pharmacodyanmique des Medicaments du Systeme Nerveux Vegetatif," Bovet, D., and F. Bovet-Nitti, New York, S. Karger, 1948Vol. -, Pg. 22, 1948. |
| guinea pig | LDLo | subcutaneous | 800ug/kg (0.8mg/kg) | ? | "Structure et Activite Pharmacodyanmique des Medicaments du Systeme Nerveux Vegetatif," Bovet, D., and F. Bovet-Nitti, New York, S. Karger, 1948Vol. -, Pg. 22, 1948. |
| infant | TDLo | multiple routes | 625ug/kg/I (0.625mg/kg) | CARDIAC: PULSE RATE INCREASE WITHOUT FALL IN BP LUNGS, THORAX, OR RESPIRATION: CYANOSIS KIDNEY, URETER, AND BLADDER: "CHANGES IN TUBULES (INCLUDING ACUTE RENAL FAILURE, ACUTE TUBULAR NECROSIS)" |
Southern Medical Journal. Vol. 78, Pg. 874, 1985. |
| man | LDLo | subcutaneous | 7ug/kg (0.007mg/kg) | BRAIN AND COVERINGS: OTHER DEGENERATIVE CHANGES CARDIAC: OTHER CHANGES |
Annals of Emergency Medicine. Vol. 28, Pg. 725, 1996. |
| man | TDLo | intramuscular | 2ug/kg (0.002mg/kg) | VASCULAR: REGIONAL OR GENERAL ARTERIOLAR CONSTRICTION | American Journal of Emergency Medicine. Vol. 8, Pg. 46, 1990. |
| man | TDLo | intravenous | 16ug/kg (0.016mg/kg) | BEHAVIORAL: "HALLUCINATIONS, DISTORTED PERCEPTIONS" CARDIAC: CHANGE IN RATE VASCULAR: BP LOWERING NOT CHARACTERIZED IN AUTONOMIC SECTION |
American Journal of Emergency Medicine. Vol. 5, Pg. 64, 1987. |
| man | TDLo | intravenous | 285ug/kg (0.285mg/kg) | CARDIAC: EKG CHANGES NOT DIAGNOSTIC OF ABOVE | American Journal of Emergency Medicine. Vol. 7, Pg. 485, 1989. |
| man | TDLo | intravenous | 3mg/kg (3mg/kg) | VASCULAR: CONTRACTION (ISOLATED TISSUES) | American Journal of Emergency Medicine. Vol. 8, Pg. 46, 1990. |
| man | TDLo | oral | 77mg/kg (77mg/kg) | BEHAVIORAL: "HALLUCINATIONS, DISTORTED PERCEPTIONS" BEHAVIORAL: EXCITEMENT GASTROINTESTINAL: NAUSEA OR VOMITING |
Annals of Emergency Medicine. Vol. 19, Pg. 671, 1990. |
| man | TDLo | subcutaneous | 8571ng/kg/80M (0.008571mg/kg) | CARDIAC: CARDIOMYOPATHY INCLUDING INFARCTION | American Heart Journal. Vol. 111, Pg. 1193, 1986. |
| man | TDLo | subcutaneous | 43ug/kg (0.043mg/kg) | CARDIAC: PULSE RATE INCREASE WITHOUT FALL IN BP GASTROINTESTINAL: NAUSEA OR VOMITING SKIN AND APPENDAGES (SKIN): SWEATING: OTHER |
Annals of Emergency Medicine. Vol. 19, Pg. 680, 1990. |
| mouse | LD50 | intraperitoneal | 4mg/kg (4mg/kg) | ? | Journal of Pharmacology and Experimental Therapeutics. Vol. 90, Pg. 110, 1947. |
| mouse | LD50 | intravenous | 217ug/kg (0.217mg/kg) | BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY) CARDIAC: PULSE RATE INCREASE WITHOUT FALL IN BP SKIN AND APPENDAGES (SKIN): HAIR: OTHER |
Acta Pharmacologica et Toxicologica. Vol. 38, Pg. 474, 1976. |
| mouse | LD50 | subcutaneous | 1470ug/kg (1.47mg/kg) | ? | Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und Pharmakologie. Vol. 202, Pg. 658, 1943. |
| mouse | LDLo | oral | 50mg/kg (50mg/kg) | ? | "Structure et Activite Pharmacodyanmique des Medicaments du Systeme Nerveux Vegetatif," Bovet, D., and F. Bovet-Nitti, New York, S. Karger, 1948Vol. -, Pg. 22, 1948. |
| mouse | LDLo | unreported | 10mg/kg (10mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD LUNGS, THORAX, OR RESPIRATION: DYSPNEA BEHAVIORAL: EXCITEMENT |
Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und Pharmakologie. Vol. 162, Pg. 46, 1931. |
| rabbit | LD50 | intravenous | 50ug/kg (0.05mg/kg) | LUNGS, THORAX, OR RESPIRATION: RESPIRATORY STIMULATION | Schweizerische Medizinische Wochenschrift. Vol. 71, Pg. 554, 1941. |
| rabbit | LD50 | subcutaneous | 4mg/kg (4mg/kg) | LUNGS, THORAX, OR RESPIRATION: RESPIRATORY STIMULATION | Schweizerische Medizinische Wochenschrift. Vol. 71, Pg. 554, 1941. |
| rabbit | LDLo | oral | 30mg/kg (30mg/kg) | ? | "Structure et Activite Pharmacodyanmique des Medicaments du Systeme Nerveux Vegetatif," Bovet, D., and F. Bovet-Nitti, New York, S. Karger, 1948Vol. -, Pg. 22, 1948. |
| rat | LD50 | intramuscular | 3500mg/kg (3500mg/kg) | ? | "Drug Dosages in Laboratory Animals - A Handbook," Rev. ed., Barnes, C.D., and L.G. Eltherington, Berkeley, Univ. of California Press, 1973Vol. -, Pg. 105, 1973. |
| rat | LD50 | intravenous | 150ug/kg (0.15mg/kg) | ? | Archives Internationales de Pharmacodynamie et de Therapie. Vol. 41, Pg. 365, 1931. |
| rat | LD50 | skin | 62mg/kg (62mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD BEHAVIORAL: EXCITEMENT |
Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 8(4), Pg. 30, 1964. |
| rat | LD50 | subcutaneous | 5mg/kg (5mg/kg) | LUNGS, THORAX, OR RESPIRATION: RESPIRATORY STIMULATION | Schweizerische Medizinische Wochenschrift. Vol. 71, Pg. 554, 1941. |
| rat | LDLo | intraperitoneal | 10mg/kg (10mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD BEHAVIORAL: MUSCLE WEAKNESS LUNGS, THORAX, OR RESPIRATION: DYSPNEA |
Journal of Pharmacology and Experimental Therapeutics. Vol. 88, Pg. 268, 1946. |
| rat | LDLo | oral | 30mg/kg (30mg/kg) | ? | "Structure et Activite Pharmacodyanmique des Medicaments du Systeme Nerveux Vegetatif," Bovet, D., and F. Bovet-Nitti, New York, S. Karger, 1948Vol. -, Pg. 22, 1948. |
| women | TDLo | intravenous | 6ug/kg (0.006mg/kg) | CARDIAC: ARRHYTHMIAS (INCLUDING CHANGES IN CONDUCTION) | British Medical Journal. Vol. 286, Pg. 519, 1983. |
Human poison by subcutaneous route. Experimental poison by ingestion, skin contact, subcutaneous, intraperitoneal, intravenous, and intramuscular routes. Human systemic effects: cardiomyopathy including infarction, arrhythmias. An experimental teratogen. Experimental reproductive effects. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx.
Hazard Codes:?T
Risk Statements: 23/24/25-52/53-36/37/38-33?
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed.?
R52/53:Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.?
R36/37/38:Irritating to eyes, respiratory system and skin.?
R33:Danger of cumulative effects.
Safety Statements: 36/37/39-45-61-26-23?
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.?
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)?
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.?
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.?
S33:Take precautionary measures against static discharges.
RIDADR: UN 2811 6.1/PG 2
WGK Germany :3
RTECS: DO2625000
F: 8-10-23
HazardClass: 6.1
PackingGroup: II
