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| CAS No.: | 101-42-8 |
|---|---|
| Name: | FENURON |
| Molecular Structure: | |
|
|
|
| Formula: | C9H12 N2 O |
| Molecular Weight: | 164.207 |
| Synonyms: | Urea,1,1-dimethyl-3-phenyl- (8CI); 1,1-Dimethyl-3-phenylurea;1-Phenyl-3,3-dimethylurea; 3-Phenyl-1,1-dimethylurea; Amicure UR; Dibar; Dybar;Dyhard RU 300; Dyhard UR 300; Falisilvan; Fenuron; Fikure 62U;N,N-Dimethyl-N'-phenylurea; N-Phenyl-N',N'-dimethylurea; Omicure 94; Omicure U405; PUD |
| Density: | 1.122g/cm3 |
| Melting Point: | 131-133° |
| Boiling Point: | 329.8°Cat760mmHg |
| Flash Point: | 153.3°C |
| Solubility: | 2.40g/L(25 oC) |
| Hazard Symbols: | Xi,Xn,F |
| Risk Codes: | 36/37-36-20/21/22-11 |
| Safety: | Moderately toxic by ingestion. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx. |
| PSA: | 32.34000 |
| LogP: | 1.85310 |
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| Conditions | Yield |
|---|---|
| With sodium carbonate; sodium iodide In hexane at 50℃; for 16h; pH=7; | 97% |
| With pyridine; dmap In dichloromethane at 20℃; Sealed tube; | 89% |
| With N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 20℃; for 2h; | 89% |
| Conditions | Yield |
|---|---|
| In water; toluene at 75℃; for 4h; | 95% |
| In water; toluene for 4h; Heating; | 95% |
| In toluene at 80℃; for 1h; | 95% |
| Conditions | Yield |
|---|---|
| With sodium carbonate In hexane at 50℃; for 6h; pH=5 - 6; | 95% |
| Conditions | Yield |
|---|---|
| Stage #1: [{Ph2P(Se)NCH2CH2NPPh2(Se)}Ti(NMe2)2]; phenyl isocyanate In toluene at 25℃; for 0.166667h; Schlenk technique; Inert atmosphere; Stage #2: With 2,6-diisopropylbenzenamine In toluene at 25℃; for 1h; Schlenk technique; Inert atmosphere; | 95% |
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1-(phenylaminocarbonyl)aziridine
- 124-40-3
dimethyl amine
A
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ethyleneimine
B
- 101-42-8
fenuron
| Conditions | Yield |
|---|---|
| In ethanol at 18 - 25℃; for 168h; | A n/a B 94% |
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5-<(Dimethylamino)methylenamino>-5-(N',N'-dimethyl-N-phenylureido)-1,3-diphenyl-2,4-imidazolidindion
A
- 101-42-8
fenuron
B
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diphenylparabanic acid
C
- 20353-92-8
N',N'-dimethyl-formamidin-hydrochlorid
| Conditions | Yield |
|---|---|
| With hydrogenchloride In ethanol for 0.166667h; Heating; | A 81% B 90% C 74% |
- 81106-50-5
N'-(2-Bromophenyl)-N,N-dimethylurea
- 101-42-8
fenuron
| Conditions | Yield |
|---|---|
| Stage #1: N'-(2-Bromophenyl)-N,N-dimethylurea With methyllithium at 0℃; Stage #2: With tert.-butyl lithium at 0℃; Stage #3: With ammonium chloride | 90% |
| With water; methyllithium; tert.-butyl lithium 1.) THF, 0 deg C, 2.) THF, 0 deg C; Yield given; Multistep reaction; |
| Conditions | Yield |
|---|---|
| With triethylamine In dichloromethane at 0 - 20℃; | 89% |
| Stage #1: N,N-dimethylammonium chloride; phenyl isocyanate In dichloromethane for 0.333333h; Inert atmosphere; Stage #2: With triethylamine In dichloromethane at 20℃; for 16h; | 89% |
| Stage #1: N,N-dimethylammonium chloride With triethylamine In dichloromethane at 0℃; for 0.166667h; Stage #2: phenyl isocyanate In dichloromethane at 20℃; for 16h; |
| Conditions | Yield |
|---|---|
| With sulfuric acid In xylene for 3h; Heating; | 87.8% |
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Chemistry
Chemical Name: Fenuron
IUPAC NAME: Fenuron
CAS No.: 101-42-8
EINECS: 202-941-4
RTECS: YT1450000
Molecular Formula: C9H12N2O
Molecular Weight: 164.2 g/mol
Density: 1.122 g/cm3
Flash Point: 153.3 °C
Boiling Point: 329.8 °C at 760 mmHg
Storage temp.: APPROX 4°C
Following is the structure of Fenuron (CAS No.101-42-8):
The chemical synonymous of Fenuron (CAS No.101-42-8) are PDU ; PDU(R) ; Fenuron ; Kayron ; Fenidin ; Fenuron ; Dybar(R) ; Dyhard(R) Ur 300
Toxicity Data With Reference
| 1. | dni-mus-orl 500 mg/kg | MUREAV Mutation Research. 58 (1978),353. | ||
| 2. | orl-rat LD50:6400 mg/kg | FMCHA2 Farm Chemicals Handbook .(Meister Publishing,Willoughy, OH.: )1980,D137. | ||
| 3. | orl-mus LD50:4700 mg/kg | GISAAA Gigiena i Sanitariya. 47 (3)(1982),82. | ||
| 4. | orl-rbt LD50:4700 mg/kg | GISAAA Gigiena i Sanitariya. 47 (3)(1982),82. | ||
| 5. | orl-gpg LD50:3200 mg/kg | GISAAA Gigiena i Sanitariya. 40 (10)(1975),22. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Moderately toxic by ingestion. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx.
Hazard Codes: 
Xn 
F 
Xi
sk Statements about Fenuron (CAS No.101-42-8):
R11:Highly flammable.
R36:Irritating to eyes.
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
R36/37:Irritating to eyes and respiratory system.
Safety Statements about Fenuron (CAS No.101-42-8):
S16:Keep away from sources of ignition.
S24:Avoid contact with skin.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.