Dazomet

Names

[ CAS No. ]:
533-74-4

[ Name ]:
Dazomet

[Synonym ]:
Tiazon
3,5-Dimethyltetrahydro-1,3,5-thiadiazine-2-thione,Thiadiazine
tetrahydro-3,5-dimethyl-2H-1,3,5-thiadiazine-2-thione
Mylone
tetra-hydro-3,5-dimethyl-2H-1,3,5-thiadiazine-2-thione
3,5-dimethyl-tetrahydro-2H-1,3,5-thiadiazine-2-thione
Carbothialdin
MFCD00023809
DMTT
Mylon
2H-1,3,5-Thiadiazine-2-thione, tetrahydro-3,5-dimethyl-
3,5-DIMETHYLTETRAHYDRO-1,3,5-THIADIAZINE-2-THIONE
EINECS 208-576-7
3,4,5,6-Tetrahydro-3,5-dimethyl-1,3,5-thiadiazine-2-thione
3,5-dimethyl-tetrahydro-1,3,5-2H-thiodiazin-2-thione
3,5-dimethyl-tetrahydro-1,3,5-thiadiazine-2-thione
Dazomet
thiazone
3,5-dimethyl-tetrahydro-1,3,5-2H-thiadiazine-2-thione
tetrahydro-3,5-dimethyl-1,3,5-thiadiazine-2-thione
Basamid
Basamide
3,5-Dimethyl-1,3,5-thiadiazinane-2-thione
Dimethylformocarbothialdine

Chemical & Physical Properties

[ Density]:
1.3±0.1 g/cm3

[ Boiling Point ]:
222.3±50.0 °C at 760 mmHg

[ Melting Point ]:
104-105°C

[ Molecular Formula ]:
C₅H₁₀N₂S₂

[ Molecular Weight ]:
162.276

[ Flash Point ]:
88.2±30.1 °C

[ Exact Mass ]:
162.028534

[ PSA ]:
63.87000

[ LogP ]:
0.16

[ Vapour Pressure ]:
0.1±0.4 mmHg at 25°C

[ Index of Refraction ]:
1.656

[ Water Solubility ]:
<0.1 g/100 mL at 18 ºC

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: XI2800000

CHEMICAL NAME :: 2H-1,3,5-Thiadiazine-2-thione, tetrahydro-3,5-dimethyl-

CAS REGISTRY NUMBER :: 533-74-4

BEILSTEIN REFERENCE NO. :: 0116039

LAST UPDATED :: 199710

DATA ITEMS CITED :: 25

MOLECULAR FORMULA :: C5-H10-N2-S2

MOLECULAR WEIGHT :: 162.29

WISWESSER LINE NOTATION :: T6NYS ENTJ A1 BUS E1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration into the eye

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1103,1986 ** ACUTE TOXICITY DATA **

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 320 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold Nutritional and Gross Metabolic - body temperature decrease

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 9,521,1966

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 8400 mg/m3/4H

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,225,1991

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 2260 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - muscle weakness Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 17,S327,1992

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 87 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 9,521,1966

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 470 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - muscle weakness Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 17,S327,1992

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 180 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 9,521,1966

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 2400 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - muscle weakness Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 17,S327,1992

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 98 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - muscle weakness Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 17,S327,1992

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 248 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - muscle weakness Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 17,S327,1992

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 650 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 30ZDA9 "Chemistry of Pesticides," Melnikov, N.N., New York, Springer-Verlag New York, Inc., 1971 Volume(issue)/page/year: -,430,1971

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 47 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 9,521,1966

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intramuscular

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 250 mg/kg

TOXIC EFFECTS :: Sense Organs and Special Senses (Eye) - mydriasis (pupillary dilation) Vascular - BP elevation not characterized in autonomic section Gastrointestinal - hypermotility, diarrhea

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 9,521,1966

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 120 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 9,521,1966

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 7 gm/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: 9,521,1966

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 127 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 9,521,1966

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 160 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 9,521,1966 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 3120 mg/kg/30D-C

TOXIC EFFECTS :: Liver - changes in liver weight Kidney, Ureter, Bladder - changes in bladder weight Nutritional and Gross Metabolic - weight loss or decreased weight gain

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 9,521,1966

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 22119 mg/kg/2Y-C

TOXIC EFFECTS :: Behavioral - food intake (animal) Liver - changes in liver weight Nutritional and Gross Metabolic - weight loss or decreased weight gain

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 9,521,1966 *** 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 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 2 mg/m3 JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 26940 No. of Facilities: 203 (estimated) No. of Industries: 5 No. of Occupations: 10 No. of Employees: 1206 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 26940 No. of Facilities: 1320 (estimated) No. of Industries: 9 No. of Occupations: 11 No. of Employees: 25682 (estimated) No. of Female Employees: 528 (estimated)

Safety Information

[ Symbol ]:

GHS07, GHS09

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H302-H319-H410

[ Precautionary Statements ]:
P273-P305 + P351 + P338-P501

[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Faceshields;Gloves

[ Hazard Codes ]:
Xn,N

[ Risk Phrases ]:
R22

[ Safety Phrases ]:
S15-S22-S24-S60-S61

[ RIDADR ]:
UN3077 9/PG 3

[ RTECS ]:
XI2800000

[ HS Code ]:
2934999039

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2934999039

[ Summary ]:
2934999039 3,5-dimethyl-1,3,5-thiadiazinane-2-thione。supervision conditions:s(import or export registration certificate for pesticides)。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:6.5%。general tariff:20.0%

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Adequate concentration, exposure time and distribution uniformity of activated fumigant gases are prerequisites for successful soil fumigation. Field experiments were conducted to evaluate gas phase d...

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The combination of 1,3-dichloropropene (1,3-D) and dazomet (DZ) offers a potential alternative to methyl bromide (MB) for soil disinfection. MB is scheduled to be withdrawn from routine use by 2015 in...