thiopental sodium
Names
[ CAS No. ]:
71-73-8
[ Name ]:
thiopental sodium
[Synonym ]:
trapanal
intravalsodium
5-ethyl-5-(1-methyl-butyl)-6-oxo-2-thioxo-1,2,5,6-tetrahydro-pyrimidin-4-olate sodium salt
5-ethyl-5-(1-methylbutyl)-2-thiobarbituric acid sodium salt
leopental
5-ethyl-5-(1-methylbutyl)-2-thiobarbiturate acid sodium salt
farmotal
Thiopentemal
hypnostan
(+/-)-THIOPENTAL SODIUM SALT/SODIUM CARBONATE
thiothalsodium
rac-thiopentone sodium
ravonal
thionembutal
nesdonal sodium
Chemical & Physical Properties
[ Molecular Formula ]:
C11H17N2NaO2S
[ Molecular Weight ]:
264.32000
[ Exact Mass ]:
264.09100
[ PSA ]:
83.83000
[ LogP ]:
1.79330
[ Water Solubility ]:
H2O: >10 mg/mL
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- CQ6475000
- CHEMICAL NAME :
- Barbituric acid, 5-ethyl-5-(1-methylbutyl)-2-thio-, sodium salt
- CAS REGISTRY NUMBER :
- 71-73-8
- LAST UPDATED :
- 199606
- DATA ITEMS CITED :
- 23
- MOLECULAR FORMULA :
- C11-H18-N2-O2-S.Na
- MOLECULAR WEIGHT :
- 265.36
- WISWESSER LINE NOTATION :
- T6VMYMV FHJ CUS FY3&1 F2 &-NA-
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Rectal
- SPECIES OBSERVED :
- Human
- DOSE/DURATION :
- 45 mg/kg
- TOXIC EFFECTS :
- Lungs, Thorax, or Respiration - respiratory depression Nutritional and Gross Metabolic - body temperature decrease Behavioral - general anesthetic
- REFERENCE :
- AACRAT Anesthesia and Analgesia (New York). (Elsevier Science Pub. Co., Inc., 52 Vanderbilt Ave., New York, NY 10017) V.36- 1957- Volume(issue)/page/year: 46,395,1967
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Rectal
- SPECIES OBSERVED :
- Human - woman
- DOSE/DURATION :
- 107 mg/kg
- TOXIC EFFECTS :
- Brain and Coverings - changes in circulation (hemorrhage, thrombosis, etc.) Lungs, Thorax, or Respiration - acute pulmonary edema
- REFERENCE :
- CTOXAO Clinical Toxicology. (New York, NY) V.1-18, 1968-81. For publisher information, see JTCTDW. Volume(issue)/page/year: 2,75,1969
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Intraarterial
- SPECIES OBSERVED :
- Human
- DOSE/DURATION :
- 7 mg/kg
- TOXIC EFFECTS :
- Vascular - acute arterial occlusion Vascular - thrombosis distant from injection site
- REFERENCE :
- LANCAO Lancet. (7 Adam St., London WC2N 6AD, UK) V.1- 1823- Volume(issue)/page/year: 2,571,1943
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 117 mg/kg
- TOXIC EFFECTS :
- Behavioral - general anesthetic
- REFERENCE :
- JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 115,432,1955
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 28410 ug/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- JAPMA8 Journal of the American Pharmaceutical Association, Scientific Edition. (Washington, DC) V.29-49, 1940-60. For publisher information, see JPMSAE. Volume(issue)/page/year: 29,509,1940
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 43600 ug/kg
- TOXIC EFFECTS :
- Behavioral - general anesthetic
- REFERENCE :
- JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 116,317,1956
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Rectal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 102 mg/kg
- TOXIC EFFECTS :
- Lungs, Thorax, or Respiration - respiratory depression Nutritional and Gross Metabolic - body temperature decrease Behavioral - general anesthetic
- REFERENCE :
- AACRAT Anesthesia and Analgesia (New York). (Elsevier Science Pub. Co., Inc., 52 Vanderbilt Ave., New York, NY 10017) V.36- 1957- Volume(issue)/page/year: 46,395,1967
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 208 mg/kg
- TOXIC EFFECTS :
- Behavioral - general anesthetic
- REFERENCE :
- JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 115,432,1955
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 115 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- NIIRDN Drugs in Japan (Ethical Drugs). (Yakugyo Jiho Co., Ltd., Tokyo, Japan) Volume(issue)/page/year: 6,457,1982
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 225 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 27,70,1974
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 57 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: 105,221,1956
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Mammal - dog
- DOSE/DURATION :
- 150 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 60,125,1937
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Mammal - dog
- DOSE/DURATION :
- 36 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- CRAAA7 Current Researches in Anesthesia and Analgesia. (Cleveland, OH) V.1-35, 1922-56. For publisher information, see AACRAT. Volume(issue)/page/year: 29,89,1950
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Mammal - cat
- DOSE/DURATION :
- 32500 ug/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: 82,212,1953
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 35 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- NIIRDN Drugs in Japan (Ethical Drugs). (Yakugyo Jiho Co., Ltd., Tokyo, Japan) Volume(issue)/page/year: 6,457,1982
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 31 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- CRAAA7 Current Researches in Anesthesia and Analgesia. (Cleveland, OH) V.1-35, 1922-56. For publisher information, see AACRAT. Volume(issue)/page/year: 29,89,1950
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - guinea pig
- DOSE/DURATION :
- 57500 ug/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- ANESAV Anesthesiology. (Lippincott/Harper, Journal Fulfillment Dept., 2350 Virginia Ave., Hagerstown, MD 21740) V.1- 1940- Volume(issue)/page/year: 8,589,1947 ** OTHER MULTIPLE DOSE TOXICITY DATA **
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Mammal - dog
- DOSE/DURATION :
- 750 mg/kg/30D-I
- TOXIC EFFECTS :
- Liver - fatty liver degeneration Related to Chronic Data - death
- REFERENCE :
- JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 116,317,1956 ** REPRODUCTIVE DATA **
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- DOSE :
- 50 mg/kg
- SEX/DURATION :
- female 11 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - musculoskeletal system
- REFERENCE :
- OFAJAE Okajimas Folia Anatomica Japonica. (Keio Univ., School of Medicine, Dept. of Anatomy, 35 Shinano-machi, Shinjuku-ku, Tokyo 160, Japan) V.14- 1936- Volume(issue)/page/year: 43,219,1967
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- DOSE :
- 75 mg/kg
- SEX/DURATION :
- female 11 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Embryo or Fetus - fetal death
- REFERENCE :
- OFAJAE Okajimas Folia Anatomica Japonica. (Keio Univ., School of Medicine, Dept. of Anatomy, 35 Shinano-machi, Shinjuku-ku, Tokyo 160, Japan) V.14- 1936- Volume(issue)/page/year: 43,219,1967
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- DOSE :
- 432 mg/kg
- SEX/DURATION :
- female 3-6 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Fertility - other measures of fertility
- REFERENCE :
- JOENAK Journal of Endocrinology. (Biochemical Soc. Book Depot, POB 32, Commerce Way, Colchester, Essex CO2 8HP, UK) V.1- 1939- Volume(issue)/page/year: 43,225,1969 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M1306 No. of Facilities: 158 (estimated) No. of Industries: 1 No. of Occupations: 6 No. of Employees: 2048 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M1306 No. of Facilities: 335 (estimated) No. of Industries: 1 No. of Occupations: 6 No. of Employees: 5619 (estimated) No. of Female Employees: 4042 (estimated)
Safety Information
[ Hazard Codes ]:
T: Toxic;
[ Risk Phrases ]:
R25
[ Safety Phrases ]:
36-45
[ RIDADR ]:
UN 2811 6.1/PG 3
[ WGK Germany ]:
3
[ RTECS ]:
CQ6475000
[ Packaging Group ]:
III
[ Hazard Class ]:
6.1(b)
[ HS Code ]:
2933599090
Customs
[ HS Code ]: 2933599090
[ Summary ]:
2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%