pyrithione sodium
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Names
[ CAS No. ]:
15922-78-8
[ Name ]:
pyrithione sodium
[Synonym ]:
Caswell No. 790A
1-hydroxy-1H-pyridine-2-thione sodium salt
2-mercaptopyridine-1-oxide sodium salt
1-hydroxy-1,2-dihydropyridine-2-thione sodium salt
PYRITHIONE SODIUM
Sodium 2-pyridinethiol-1-oxide
Sodium pyrithione
Sodium 1-hydroxypyridine-2-thione
EINECS 240-062-8
Omadine-sodium
Omacide 24
Chemical & Physical Properties
[ Boiling Point ]:
253.8ºC at 760mmHg
[ Molecular Formula ]:
C5H4NaOS
[ Molecular Weight ]:
135.13900
[ Flash Point ]:
107.3ºC
[ Exact Mass ]:
134.98800
[ PSA ]:
45.23000
[ LogP ]:
2.00910
[ Vapour Pressure ]:
0.00275mmHg at 25°C
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- UT9800000
- CHEMICAL NAME :
- 2-(1H)-Pyridinethione, 1-hydroxy-, sodium salt
- CAS REGISTRY NUMBER :
- 15922-78-8
- LAST UPDATED :
- 199707
- DATA ITEMS CITED :
- 14
- MOLECULAR FORMULA :
- C5-H5-N-O-S.Na
- MOLECULAR WEIGHT :
- 150.16
- WISWESSER LINE NOTATION :
- T6NYJ AO BUS &-NA-
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 745 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: 2,156,1960
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 385 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: 2,156,1960
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 870 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 8,1067,1974
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 265 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: 2,156,1960
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 428 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 8,1067,1974
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 335 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: 2,156,1960
- TYPE OF TEST :
- LD - Lethal dose
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Mammal - dog
- DOSE/DURATION :
- >50 mg/kg
- TOXIC EFFECTS :
- Sense Organs and Special Senses (Eye) - effect, not otherwise specified
- REFERENCE :
- TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 9,269,1966
- TYPE OF TEST :
- LD - Lethal dose
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Primate - monkey
- DOSE/DURATION :
- >50 mg/kg
- TOXIC EFFECTS :
- Sense Organs and Special Senses (Eye) - effect, not otherwise specified Gastrointestinal - nausea or vomiting
- REFERENCE :
- TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 9,269,1966
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 200 mg/kg
- TOXIC EFFECTS :
- Behavioral - changes in motor activity (specific assay)
- REFERENCE :
- TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 9,269,1966 ** OTHER MULTIPLE DOSE TOXICITY DATA **
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 6 gm/kg/30D-C
- TOXIC EFFECTS :
- Nutritional and Gross Metabolic - weight loss or decreased weight gain Related to Chronic Data - death
- REFERENCE :
- TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 2,156,1960
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Mammal - dog
- DOSE/DURATION :
- 40 ug/kg/4D-I
- TOXIC EFFECTS :
- Sense Organs and Special Senses (Eye) - mydriasis (pupillary dilation)
- REFERENCE :
- TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 2,156,1960 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M2350 No. of Facilities: 13 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 138 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M2350 No. of Facilities: 76 (estimated) No. of Industries: 5 No. of Occupations: 12 No. of Employees: 12180 (estimated) No. of Female Employees: 639 (estimated)