methazole

Modify Date: 2025-08-25 11:27:25

methazole Structure
methazole structure
Common Name methazole
CAS Number 20354-26-1 Molecular Weight 261.06200
Density 1.602 g/cm3 Boiling Point 348.7ºC at 760 mmHg
Molecular Formula C9H6Cl2N2O3 Melting Point 123-124ºC
MSDS N/A Flash Point 164.7ºC

 Names

Name methazole
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.602 g/cm3
Boiling Point 348.7ºC at 760 mmHg
Melting Point 123-124ºC
Molecular Formula C9H6Cl2N2O3
Molecular Weight 261.06200
Flash Point 164.7ºC
Exact Mass 259.97600
PSA 57.14000
LogP 1.43600
Vapour Pressure 4.94E-05mmHg at 25°C
Index of Refraction 1.618

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
RO0835000
CHEMICAL NAME :
1,2,4-Oxadiazolidine-3,5-dione, 2-(3,4-dichlorophenyl)-4-methyl-
CAS REGISTRY NUMBER :
20354-26-1
LAST UPDATED :
199612
DATA ITEMS CITED :
6
MOLECULAR FORMULA :
C9-H6-Cl2-N2-O3
MOLECULAR WEIGHT :
261.07
WISWESSER LINE NOTATION :
T5NOVNVJ AR CG DG& D1

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 :
777 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
FAATDF Fundamental and Applied Toxicology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1981- Volume(issue)/page/year: 7,299,1986
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>200 gm/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: 9,565,1991
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
10200 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,890,1986
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
600 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JAFCAU Journal of Agricultural and Food Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB 57136, West End Stn., Washington, DC 20037) V.1- 1953- Volume(issue)/page/year: 21,386,1973
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
12500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
FMCHA2 Farm Chemicals Handbook. (Meister Pub., 37841 Euclid Ave., Willoughy, OH 44094) Volume(issue)/page/year: -,C248,1991 *** 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

 Safety Information

Hazard Codes Xn,N
Risk Phrases R21/22;R36/38;R51/53
Safety Phrases S61;S36/S37
HS Code 2934999027

 Customs

HS Code 2934999027
Summary 2934999027 3-isopropyl-1h-benzo[c][1,2,6]thiadiazin-4(3h)-one 2,2-dioxide。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%

 Synonyms

Metazole
Caswell No. 549AA
Mezopur
Methazole
Bioxone
Probe
Paxilon
CHLORMETHAZOLE
Tunic
EINECS 243-761-6
2-(3,4-dichlorophenyl)-4-methyl-1,2,4-oxadiazolidine-3,5-dione
Metazol
Oxydiazol
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