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MSDS  : Malonic acid, (1,3-dithiol-2-ylidene)-, diisopropyl ester
CAS  : 59937-28-9
SYNONYMS  : * CL-1500 * Diisopropyl-1,3-dithiol-2-ylidenemalonate * Malotilate * NKK 105 * Propanedioic acid, 1,3-dithiol-2-ylidene-, bis(1-methylethyl) ester
*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER : OO0970000
CHEMICAL NAME : Malonic acid, (1,3-dithiol-2-ylidene)-, diisopropyl
ester
CAS REGISTRY NUMBER : 59937-28-9
LAST UPDATED : 199506
DATA ITEMS CITED : 21
MOLECULAR FORMULA : C12-H16-O4-S2
MOLECULAR WEIGHT : 288.40
WISWESSER LINE NOTATION : T45 ESYSTJ FUYVOY1&1&VOY1&1
COMPOUND DESCRIPTOR : Drug
Reproductive Effector
SYNONYMS/TRADE NAMES :
* CL-1500
* Diisopropyl-1,3-dithiol-2-ylidenemalonate
* Malotilate
* NKK 105
* Propanedioic acid, 1,3-dithiol-2-ylidene-, bis(1-methylethyl) ester

*** HEALTH HAZARD DATA ***

** ACUTE TOXICITY DATA **

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 2065 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation
Behavioral - somnolence (general depressed activity)
Behavioral - changes in motor activity (specific assay)
REFERENCE :
TOIZAG Toho Igakkai Zasshi. Journal of Medical Society of Toho University.
(Toho Daigaku Igakkai, 21-16, Omori-nishi, 5-chome, Ota-ku, Tokyo 143,
Japan) V.1- 1954- Volume(issue)/page/year: 25,387,1978

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 750 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation
Behavioral - somnolence (general depressed activity)
Behavioral - changes in motor activity (specific assay)
REFERENCE :
TOIZAG Toho Igakkai Zasshi. Journal of Medical Society of Toho University.
(Toho Daigaku Igakkai, 21-16, Omori-nishi, 5-chome, Ota-ku, Tokyo 143,
Japan) V.1- 1954- Volume(issue)/page/year: 25,387,1978

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : >5 gm/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
REFERENCE :
TOIZAG Toho Igakkai Zasshi. Journal of Medical Society of Toho University.
(Toho Daigaku Igakkai, 21-16, Omori-nishi, 5-chome, Ota-ku, Tokyo 143,
Japan) V.1- 1954- Volume(issue)/page/year: 25,387,1978

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intramuscular
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : >2 gm/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
REFERENCE :
TOIZAG Toho Igakkai Zasshi. Journal of Medical Society of Toho University.
(Toho Daigaku Igakkai, 21-16, Omori-nishi, 5-chome, Ota-ku, Tokyo 143,
Japan) V.1- 1954- Volume(issue)/page/year: 25,387,1978

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 3120 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation
Behavioral - somnolence (general depressed activity)
Behavioral - changes in motor activity (specific assay)
REFERENCE :
TOIZAG Toho Igakkai Zasshi. Journal of Medical Society of Toho University.
(Toho Daigaku Igakkai, 21-16, Omori-nishi, 5-chome, Ota-ku, Tokyo 143,
Japan) V.1- 1954- Volume(issue)/page/year: 25,387,1978

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 1220 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation
Behavioral - somnolence (general depressed activity)
Behavioral - changes in motor activity (specific assay)
REFERENCE :
TOIZAG Toho Igakkai Zasshi. Journal of Medical Society of Toho University.
(Toho Daigaku Igakkai, 21-16, Omori-nishi, 5-chome, Ota-ku, Tokyo 143,
Japan) V.1- 1954- Volume(issue)/page/year: 25,387,1978

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 1732 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
SYXUE3 Shenyang Yaoxueyuan Xuebao. Journal of Shenyang College of Pharmacy.
(Shenyang Yaoxueyuan, 7, 2-duan, Wenhualu, Shenhequ, Shenyang, Peop. Rep.
China) V.1- 1984- Volume(issue)/page/year: 2,269,1985

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 729 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
SYXUE3 Shenyang Yaoxueyuan Xuebao. Journal of Shenyang College of Pharmacy.
(Shenyang Yaoxueyuan, 7, 2-duan, Wenhualu, Shenhequ, Shenyang, Peop. Rep.
China) V.1- 1984- Volume(issue)/page/year: 2,269,1985

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intramuscular
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : >5 gm/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
REFERENCE :
TOIZAG Toho Igakkai Zasshi. Journal of Medical Society of Toho University.
(Toho Daigaku Igakkai, 21-16, Omori-nishi, 5-chome, Ota-ku, Tokyo 143,
Japan) V.1- 1954- Volume(issue)/page/year: 25,387,1978

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 706 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
Behavioral - antipsychotic
Gastrointestinal - changes in structure or function of salivary glands
REFERENCE :
TOIZAG Toho Igakkai Zasshi. Journal of Medical Society of Toho University.
(Toho Daigaku Igakkai, 21-16, Omori-nishi, 5-chome, Ota-ku, Tokyo 143,
Japan) V.1- 1954- Volume(issue)/page/year: 25,387,1978

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 656 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
Behavioral - antipsychotic
Gastrointestinal - changes in structure or function of salivary glands
REFERENCE :
TOIZAG Toho Igakkai Zasshi. Journal of Medical Society of Toho University.
(Toho Daigaku Igakkai, 21-16, Omori-nishi, 5-chome, Ota-ku, Tokyo 143,
Japan) V.1- 1954- Volume(issue)/page/year: 25,387,1978

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : >5 gm/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
REFERENCE :
TOIZAG Toho Igakkai Zasshi. Journal of Medical Society of Toho University.
(Toho Daigaku Igakkai, 21-16, Omori-nishi, 5-chome, Ota-ku, Tokyo 143,
Japan) V.1- 1954- Volume(issue)/page/year: 25,387,1978

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - guinea pig
DOSE/DURATION : 2101 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation
Behavioral - somnolence (general depressed activity)
Behavioral - changes in motor activity (specific assay)
REFERENCE :
TOIZAG Toho Igakkai Zasshi. Journal of Medical Society of Toho University.
(Toho Daigaku Igakkai, 21-16, Omori-nishi, 5-chome, Ota-ku, Tokyo 143,
Japan) V.1- 1954- Volume(issue)/page/year: 25,387,1978

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - guinea pig
DOSE/DURATION : 1011 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation
Behavioral - somnolence (general depressed activity)
Behavioral - changes in motor activity (specific assay)
REFERENCE :
TOIZAG Toho Igakkai Zasshi. Journal of Medical Society of Toho University.
(Toho Daigaku Igakkai, 21-16, Omori-nishi, 5-chome, Ota-ku, Tokyo 143,
Japan) V.1- 1954- Volume(issue)/page/year: 25,387,1978

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - hamster
DOSE/DURATION : 2707 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation
Behavioral - somnolence (general depressed activity)
Behavioral - changes in motor activity (specific assay)
REFERENCE :
TOIZAG Toho Igakkai Zasshi. Journal of Medical Society of Toho University.
(Toho Daigaku Igakkai, 21-16, Omori-nishi, 5-chome, Ota-ku, Tokyo 143,
Japan) V.1- 1954- Volume(issue)/page/year: 25,387,1978

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - hamster
DOSE/DURATION : 1533 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation
Behavioral - somnolence (general depressed activity)
Behavioral - changes in motor activity (specific assay)
REFERENCE :
TOIZAG Toho Igakkai Zasshi. Journal of Medical Society of Toho University.
(Toho Daigaku Igakkai, 21-16, Omori-nishi, 5-chome, Ota-ku, Tokyo 143,
Japan) V.1- 1954- Volume(issue)/page/year: 25,387,1978

** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 10500 mg/kg/5W-I
TOXIC EFFECTS :
Liver - changes in liver weight
Endocrine - changes in spleen weight
Blood - normocytic anemia
REFERENCE :
JZKEDZ Jitchuken Zenrinsho Kenkyuho. Central Institute for Experimental
Animals, Research Reports. (Jikken Dobutsu Chuo Kenkyusho, 1433 Nogawa,
Takatsu-ku, Kawasaki 211, Japan) V.1- 1975- Volume(issue)/page/year:
8,131,1982

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Mammal - dog
DOSE/DURATION : 28 gm/kg/4W-I
TOXIC EFFECTS :
Behavioral - food intake (animal)
Gastrointestinal - nausea or vomiting
Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
JZKEDZ Jitchuken Zenrinsho Kenkyuho. Central Institute for Experimental
Animals, Research Reports. (Jikken Dobutsu Chuo Kenkyusho, 1433 Nogawa,
Takatsu-ku, Kawasaki 211, Japan) V.1- 1975- Volume(issue)/page/year:
8,155,1982

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Mammal - dog
DOSE/DURATION : 182 gm/kg/52W-I
TOXIC EFFECTS :
Liver - changes in liver weight
Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)
Biochemical - Enzyme inhibition, induction, or change in blood or tissue
levels - transaminases
REFERENCE :
JZKEDZ Jitchuken Zenrinsho Kenkyuho. Central Institute for Experimental
Animals, Research Reports. (Jikken Dobutsu Chuo Kenkyusho, 1433 Nogawa,
Takatsu-ku, Kawasaki 211, Japan) V.1- 1975- Volume(issue)/page/year:
8,155,1982

** REPRODUCTIVE DATA **

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 3200 mg/kg
SEX/DURATION : female 8-17 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
e.g., stunted fetus)
REFERENCE :
TOIZAG Toho Igakkai Zasshi. Journal of Medical Society of Toho University.
(Toho Daigaku Igakkai, 21-16, Omori-nishi, 5-chome, Ota-ku, Tokyo 143,
Japan) V.1- 1954- Volume(issue)/page/year: 28,859,1981

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rabbit
DOSE : 1920 mg/kg
SEX/DURATION : female 7-18 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - extra-embryonic structures
(e.g., placenta, umbilical cord)
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
e.g., stunted fetus)
REFERENCE :
TOIZAG Toho Igakkai Zasshi. Journal of Medical Society of Toho University.
(Toho Daigaku Igakkai, 21-16, Omori-nishi, 5-chome, Ota-ku, Tokyo 143,
Japan) V.1- 1954- Volume(issue)/page/year: 28,880,1981

*** END OF RECORD ***
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NAMECAS
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Linagreen 73747-73-6
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Malonic acid, dihydrazide 3815-86-9
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Malonic acid, (2,3-dimercaptopropyl)-, diethyl ester,diacetate (ester) 73747-63-4
Malonic acid, dimethyl-, bis(p-methoxyphenyl) ester 73747-63-4
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Linalool, epoxydihydro-, mixed isomers 60047-17-8
Malonic acid, (ethoxymethylene)-, diethyl ester 87-13-8
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Malonic acid, ethylphenyl-, 2-(diethylamino)ethylethyl ester 14436-50-1
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Malonic acid, furfurylidene-, diethyl ester 17448-96-3
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