Lenacil

Suppliers

Names

[ Name ]:
Lenacil

[Synonym ]:
Hexilure
EINECS 218-499-0
3-cyclohexyl-1,5,6,7-tetrahydro-cyclopentapyrimidine-2,4-dione
Lenacile
Vanzar
Vizor
buracyl
3-cyclohexyl-5,6-trimethyleneuracil
dupont634
3-cyclohexyl-6,7-dihydro-1H-cyclopenta[d]pyrimidine-2,4(3H,5H)-dione
3-cyclohexyl-6,7-dihydro-1H-cyclopentapyrimidine-2,4(3H,5H)-dione
3-cyclohexyl-1,5,6,7-tetrahydrocyclopentapyrimidine-2,4(3H)-dione
Lenacil
3-Cyclohexyl-6,7-dihydro-1H-cyclopentapyrimidine-2,4-(3H,5H)-dione
MFCD00055395
Elbatan
VENZAR
ADOL

Chemical & Physical Properties

[ Density]:
1.32

[ Boiling Point ]:
411ºC at 760mmHg

[ Melting Point ]:
316-326°C

[ Molecular Formula ]:
C₁₃H₁₈N₂O₂

[ Molecular Weight ]:
234.29400

[ Flash Point ]:
202.4ºC

[ Exact Mass ]:
234.13700

[ PSA ]:
54.86000

[ LogP ]:
1.53050

[ Vapour Pressure ]:
1.79E-08mmHg at 25°C

[ Index of Refraction ]:
1.584

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: GY5875000

CHEMICAL NAME :: 1H-Cyclopentapyrimidine-2,4(3H,5H)-dione, 6,7-dihydro-3-cyclohexyl-

CAS REGISTRY NUMBER :: 2164-08-1

BEILSTEIN REFERENCE NO. :: 0751331

LAST UPDATED :: 199710

DATA ITEMS CITED :: 5

MOLECULAR FORMULA :: C13-H18-N2-O2

MOLECULAR WEIGHT :: 234.33

WISWESSER LINE NOTATION :: T56 FMVNVT&J H- AL6TJ

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 :: 11000 mg/kg

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

REFERENCE :: 85ARAE "Agricultural Chemicals," Thomson, W.T., 4 vols., Fresno, CA, Thomson Publications, 1976/77 revision Volume(issue)/page/year: 2,159,1977

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: >5 gm/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: 9,518,1991 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 305 mg/kg/44W-I

TOXIC EFFECTS :: Endocrine - evidence of thyroid hypofunction Blood - pigmented or nucleated red blood cells Nutritional and Gross Metabolic - weight loss or decreased weight gain

REFERENCE :: GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 43(5),15,1978 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 0.5 mg/m3 JAN 1993

Safety Information

[ Symbol ]:

GHS09

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H400

[ Precautionary Statements ]:
P273

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

[ Hazard Codes ]:
N:Dangerousfortheenvironment;

[ Risk Phrases ]:
R50/53

[ Safety Phrases ]:
S60-S61

[ RIDADR ]:
UN 3077

[ RTECS ]:
GY5875000

[ HS Code ]:
2933599013

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2933599013

[ Summary ]:
2933599013 3-cyclohexyl-6,7-dihydro-1h-cyclopenta[d]pyrimidine-2,4(3h,5h)-dione。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%

Articles

Sorption kinetics and its effects on retention and leaching.

Chemosphere 72(3) , 509-16, (2008)

Sorption of pesticides to substrates used in biopurification systems is important as it controls the system's efficiency. Ideally, pesticide sorption should occur fast so that leaching of the pesticid...

Gas chromatographic method for determination of uracil herbicides in roots of Echinacea angustifolia Moench (Asteraceae).

J. Pharm. Biomed. Anal. 16(5) , 753-8, (1998)

A GC/NPD method and a rapid screening TLC method were developed for the simultaneous determination of uracil herbicide residues (bromacil, lenacil, terbacil) in the roots of Echinacea angustifolia Moe...

[Determination of the herbicide, lenacil, in plant material and grain by a thin-layer chromatographic method].

Vopr. Pitan. (6) , 70-1, (1980)