Ritalin
Controlled Substances
Names
[ CAS No. ]:
113-45-1
[ Name ]:
Ritalin
[Synonym ]:
Methylphenidan
methylphenidate
Concerta
Metadata ER
Daytrana
Calocain
Metilfenidato
Meridil
EINECS 204-028-6
Methylin
Plimasine
Metadate(R)
[3H]-Methylphenidate
Concerta(R)
Phenidylate
Chemical & Physical Properties
[ Density]:
1.07g/cm3
[ Boiling Point ]:
327.6ºC at 760mmHg
[ Melting Point ]:
74.5°C
[ Molecular Formula ]:
C14H19NO2
[ Molecular Weight ]:
233.30600
[ Flash Point ]:
152ºC
[ Exact Mass ]:
233.14200
[ PSA ]:
38.33000
[ LogP ]:
2.41410
[ Vapour Pressure ]:
0.000199mmHg at 25°C
[ Index of Refraction ]:
1.523
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- TM3675000
- CHEMICAL NAME :
- 2-Piperidineacetic acid, alpha-phenyl-, methyl ester
- CAS REGISTRY NUMBER :
- 113-45-1
- LAST UPDATED :
- 199709
- DATA ITEMS CITED :
- 13
- MOLECULAR FORMULA :
- C14-H19-N-O2
- MOLECULAR WEIGHT :
- 233.34
- WISWESSER LINE NOTATION :
- T6MTJ BYR&VO1
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Human - child
- DOSE/DURATION :
- 180 mg/kg/26W-I
- TOXIC EFFECTS :
- Behavioral - muscle contraction or spasticity
- REFERENCE :
- AJPSAO American Journal of Psychiatry. (American Psychiatric Assoc., Circulation Dept., 1400 K St., NW, Washington, DC 20005) V.78- 1921- Volume(issue)/page/year: 143,1176,1985
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Human - child
- DOSE/DURATION :
- 2500 ug/kg/5D-I
- TOXIC EFFECTS :
- Skin and Appendages - dermatitis, allergic (after systemic exposure)
- REFERENCE :
- APHRER Annals of Pharmacotherpy. (Harvey Whitney Books Co., POB 42696, Cincinnati, OH 45242) V. 26- 1992- Volume(issue)/page/year: 26,1378,1992
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Human - man
- DOSE/DURATION :
- 445 mg/kg/34W-I
- TOXIC EFFECTS :
- Lungs, Thorax, or Respiration - dyspnea
- REFERENCE :
- HPCQA4 Human Pathology. (W.B. Saunders Co., W. Washington Sq., Philadelphia, PA 19105) V.1- 1970- Volume(issue)/page/year: 3,67,1972
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Human - woman
- DOSE/DURATION :
- 800 ug/kg
- TOXIC EFFECTS :
- Cardiac - other changes Vascular - BP elevation not characterized in autonomic section Lungs, Thorax, or Respiration - dyspnea
- REFERENCE :
- JATOD3 Journal of Analytical Toxicology. (Preston Pub. Inc., POB 48312, Niles, IL 60648) V.1- 1977- Volume(issue)/page/year: 10,209,1986
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 367 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- PSCBAY Psychopharmacology Service Center, Bulletin. (Bethesda, MD) V.1-3, 1961-65. For publisher information, see PSYBB9. Volume(issue)/page/year: 2,17,1963
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 430 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- APTOA6 Acta Pharmacologica et Toxicologica. (Copenhagen, Denmark) V.1-59, 1945-86. For publisher information, see PHTOEH Volume(issue)/page/year: 17,121,1960
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 48 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- PSCBAY Psychopharmacology Service Center, Bulletin. (Bethesda, MD) V.1-3, 1961-65. For publisher information, see PSYBB9. Volume(issue)/page/year: 2,17,1963
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 150 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- PSEBAA Proceedings of the Society for Experimental Biology and Medicine. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1903/04- Volume(issue)/page/year: 139,100,1972
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 32 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- JNPHAG Journal de Pharmacologie. (SPPIF, B.P.22, F-41353 Vineuil, France) V.1- 1970- Volume(issue)/page/year: 17,37,1986
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 218 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 184,34,1970
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 41 mg/kg
- TOXIC EFFECTS :
- Behavioral - wakefulness
- REFERENCE :
- BCPCA6 Biochemical Pharmacology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.1- 1958- Volume(issue)/page/year: 8,263,1961
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 60 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- AGACBH Agents and Actions, A Swiss Journal of Pharmacology. (Birkhaeuser Verlag, POB 133, CH-4010 Basel, Switzerland) V.1- 1969/70- Volume(issue)/page/year: 3,28,1973 ** REPRODUCTIVE DATA **
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- DOSE :
- 200 mg/kg
- SEX/DURATION :
- female 10 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Embryo or Fetus - fetal death
- REFERENCE :
- CAJPBD Proceedings of the Congenital Anomalies Research Association of Japan. (Kyoto, Japan) No.1- 1961- Volume(issue)/page/year: 3,2,1963