3-(5-(TERT-BUTYL)ISOXAZOL-3-YL)-1,1-DIMETHYLUREA

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Names

[ Name ]:
3-(5-(TERT-BUTYL)ISOXAZOL-3-YL)-1,1-DIMETHYLUREA

[Synonym ]:
3-(5-tert-butylisoxazol-3-yl)-1,1-dimethylurea
isuron
N’-[5-(1,1-dimethylethyl)-3-isoxazolyl]-N,N-dimethylurea
3-(5-tert-butyl-1,2-oxazol-3-yl)-1,1-dimethylurea
3-(5-(tert-Butyl)isoxazol-3-yl)-1,1-dimethylurea
N’-(5-tert-butyl-1,2-oxazol-3-yl)-N,N-dimethylurea

Chemical & Physical Properties

[ Density]:
1.117g/cm3

[ Boiling Point ]:
372.4ºC at 760mmHg

[ Molecular Formula ]:
C₁₀H₁₇N₃O₂

[ Molecular Weight ]:
211.26100

[ Flash Point ]:
179ºC

[ Exact Mass ]:
211.13200

[ PSA ]:
58.37000

[ LogP ]:
2.13860

[ Index of Refraction ]:
1.522

[ Storage condition ]:
0-6°C

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: YT0058000

CHEMICAL NAME :: Urea, N,N-dimethyl-N'-(5-(1,1-dimethylethyl)-3-isoxazolyl)-

CAS REGISTRY NUMBER :: 55861-78-4

LAST UPDATED :: 199710

DATA ITEMS CITED :: 13

MOLECULAR FORMULA :: C10-H17-N3-O2

MOLECULAR WEIGHT :: 211.30

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 :: 630 mg/kg

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: 9,509,1991

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

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >415 mg/m3/8H

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity)

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: 11,131,1986

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >5 gm/kg

TOXIC EFFECTS :: Sense Organs and Special Senses (Eye) - lacrimation Gastrointestinal - changes in structure or function of salivary glands Skin and Appendages - hair

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: 11,131,1986

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 270 mg/kg

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

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: 11,131,1986

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

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 510 mg/kg

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

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: 11,131,1986

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 520 mg/kg

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: 9,509,1991

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 390 mg/kg

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

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: 11,131,1986

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

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 550 mg/kg

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

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: 11,131,1986 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 5460 mg/kg/13W-C

TOXIC EFFECTS :: Liver - changes in liver weight Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis) Nutritional and Gross Metabolic - weight loss or decreased weight gain

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: 11,131,1986

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 43800 mg/kg/2Y-C

TOXIC EFFECTS :: Liver - changes in liver weight Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis) Nutritional and Gross Metabolic - weight loss or decreased weight gain

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: 11,131,1986

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 87600 mg/kg/2Y-C

TOXIC EFFECTS :: Liver - fatty liver degeneration Blood - normocytic anemia Nutritional and Gross Metabolic - weight loss or decreased weight gain

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: 11,131,1986 ** REPRODUCTIVE DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 2 gm/kg

SEX/DURATION :: female 6-15 day(s) after conception

TOXIC EFFECTS :: Reproductive - Maternal Effects - other effects Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Effects on Embryo or Fetus - fetal death

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: 11,131,1986

Safety Information

[ Hazard Codes ]:
Xn

[ Risk Phrases ]:
20/22

[ HS Code ]:
2934999026

Precursor & DownStream

Precursor

3-Amino-5-tert-butylisoxazole
dmcl
5-tert-butyl-3-isocyanatoisoxazole

DownStream

Customs

[ HS Code ]: 2934999026

[ Summary ]:
2934999026. VAT:17.0%. Tax rebate rate:9.0%. Supervision conditions:S(import or export registration certificate for pesticides). MFN tariff:6.5%. General tariff:20.0%

Related Compounds

3-(5-tert-butyl-isoxazol-3-yl)-1-isobutyl-1-methyl-urea
Beperidium iodide
1-tert-butyl-3-(5-tert-butyl-isoxazol-3-yl)-1-methyl-urea
1-sec-butyl-3-(5-tert-butyl-isoxazol-3-yl)-1-methyl-urea
3-(5-tert-butyl-1,3,4-thiadiazol-2-yl)-1,1-dimethylurea
3-(5-tert-butyl-1,2-oxazol-3-yl)-1,1-di(propan-2-yl)urea
4-((Cyclohexylamino)methyl)benzoic acid hydrochloride
1-[(2,4-Dichlorophenyl)methyl]-N-(1,1-dimethylethyl)-2-methyl-1H-indole-3-methanamine
2-Methoxy-6-(pyrazol-1-yl)-benzonitrile
2-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-(1H-imidazol-5-yl)propanamido]-2-methylbutanoic acid
1H-3-Benzazepin-7-ol, 8-chloro-2,3,4,5-tetrahydro-5-(3-iodophenyl)-3-methyl-, (S)-
(4-Methyl-tetrahydro-furan-2-yl)-methanol
N-(1-cyanocyclopentyl)-2-[4-(4-fluorobenzenesulfonyl)-1,4-diazepan-1-yl]acetamide
4,5,6,7-Tetrahydrobenzo[d]isoxazole-3-carbaldehyde
tert-Butyl-DL-alanine
2-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]acetic acid