N,N-Dimethyl-N-phenylurea

Modify Date: 2025-08-21 17:30:21

N,N-Dimethyl-N-phenylurea Structure
N,N-Dimethyl-N-phenylurea structure
Common Name N,N-Dimethyl-N-phenylurea
CAS Number 101-42-8 Molecular Weight 164.204
Density 1.0±0.1 g/cm3 Boiling Point 276.3±23.0 °C at 760 mmHg
Molecular Formula C9H12N2O Melting Point 133-134ºC
MSDS Chinese USA Flash Point 120.9±22.6 °C
Symbol GHS07
GHS07
Signal Word Warning

 Names

Name fenuron
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.0±0.1 g/cm3
Boiling Point 276.3±23.0 °C at 760 mmHg
Melting Point 133-134ºC
Molecular Formula C9H12N2O
Molecular Weight 164.204
Flash Point 120.9±22.6 °C
Exact Mass 164.094955
PSA 32.34000
LogP 1.45
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.524

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
YT1450000
CHEMICAL NAME :
Urea, 1,1-dimethyl-3-phenyl-
CAS REGISTRY NUMBER :
101-42-8
BEILSTEIN REFERENCE NO. :
2208535
LAST UPDATED :
199701
DATA ITEMS CITED :
10
MOLECULAR FORMULA :
C9-H12-N2-O
MOLECULAR WEIGHT :
164.23
WISWESSER LINE NOTATION :
1N1&VMR

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 :
6400 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
4700 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
4700 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
3200 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
13886 mg/kg/61W-C
TOXIC EFFECTS :
Blood - methemoglobinemia-carboxyhemoglobin Blood - other changes
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
19264 mg/kg/43W-I
TOXIC EFFECTS :
Kidney, Ureter, Bladder - other changes in urine composition Endocrine - evidence of thyroid hypofunction Blood - other changes

MUTATION DATA

TEST SYSTEM :
Rodent - mouse
DOSE/DURATION :
500 mg/kg
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 58,353,1978 *** REVIEWS *** TOXICOLOGY REVIEW DTTIAF Deutsche Tieraerztliche Wochenschrift. (Hanover, Fed. Rep. Ger.) V.1-77, 1893-1970. Volume(issue)/page/year: 80,485,1973 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 3 mg/m3 JAN 1993

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi,Xn,F
Risk Phrases R36/37
Safety Phrases S24-S26-S36-S16
RIDADR UN 1648 3/PG 2
WGK Germany 2.0
RTECS YT1450000
Hazard Class 3.0
HS Code 2924299012

 Synthetic Route

 Customs

HS Code 2924299012
Summary 2924299012 but-3-yn-2-yl (3-chlorophenyl)carbamate。supervision conditions:s(import or export registration certificate for pesticides)。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:6.5%。general tariff:30.0%

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 Synonyms

Methanol, 1-(dimethylamino)-1-(phenylimino)-, (E)-
EINECS 202-941-4
Beet-Kleen
1-Dimethyl-3-phenylurea
Dybar
1,1-Dimethyl-3-phenylurea
Falisilvan
Urea, N,N-dimethyl-N'-phenyl-
fenuron
Urea,N,N-dimethyl-N'-phenyl
URAB
MFCD00025662
PDU
3-Phenyl-1,1-dimethyl-urea
Dibar
Fenidin
Quintex
N,N-dimethyl-N’-phenylurea
N,N-Dimethyl-N'-phenylcarbamimidic acid
N-phenyl-N',N'-dimethyl-urea
1,1-dimethyl-3-phenyl urea
Electrum
N,N-Dimethyl-N'-phenylurea
Premalox
Fenulon
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