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Name	N-Phenylurea	EINECS	200-576-5
CAS No.	64-10-8	Density	1,302 g/cm3
PSA	55.12000	LogP	1.95050
Solubility	Stability Stable. Incompatible with strong oxidizing agents. Toxicology Harmful if swallowed. May be harmful if inhaled orabsorbed through the skin. Toxicology not fully investigated. Melting Point	145-147 °C(lit.)
Formula	C7H8 N2 O	Boiling Point	238 °C
Molecular Weight	136.153	Flash Point	238°C
Transport Information	N/A	Appearance	off-white powder
Safety	Moderately toxic by ingestion and intraperitoneal routes. When heated to decomposition it emits toxic fumes of NO_x.	Risk Codes	R22
Molecular Structure		Hazard Symbols
Synonyms	Urea,phenyl- (8CI,9CI); 1-Phenylurea; Ethyl 5-nitro-1H-indole-3-carboxylate;Monophenylurea; N-Phenylurea; NSC 2781; Phenylcarbamide; Phenylurea;Stabilisator VH; Stabilizer VH; VH	Article Data	204

N-Phenylurea Chemical Properties

IUPAC Name: Phenylurea
Product Name: Phenylurea
The MF of Phenylurea (CAS NO.64-10-8) is C₇H₈N₂O.

The MW of Phenylurea (CAS NO.64-10-8) is 136.15.
Synonyms of Phenylurea (CAS NO.64-10-8): 1-Phenylurea ; Monophenylurea ; N-Phenylurea ; Phenylcarbamide ; Phenylurea ; Stabilisator VH ; Stabilizer VH ; Urea, phenyl-
Stability: Stable. Incompatible with strong oxidizing agents
Solubility in H2O: 10 mg/mL, clear
Apperance: off-white powder
Index of Refraction: 1.638
EINECS: 200-576-5
Density: 1.241 g/ml
Flash Point: 97.7 °C
Boiling Point: 238 °C
Melting Point: 145-147 °C
Merck: 14,7319
BRN: 1934615

N-Phenylurea Uses

Phenylurea (CAS NO.64-10-8) is used in organic synthesis.

N-Phenylurea Production

Organic amides/imides react with azo and diazo compounds to generate toxic gases. Flammable gases are formed by the reaction of organic amides/imides with strong reducing agents. Amides are very weak bases (weaker than water). Imides are less basic yet and in fact react with strong bases to form salts. That is, they can react as acids. Mixing amides with dehydrating agents such as P2O5 or SOCl2 generates the corresponding nitrile. The combustion of these compounds generates mixed oxides of nitrogen (NOx). Contains any of several related compounds (Diuron, Fenuron, Linuron, Neburon, Siduron, Monuron) formally derived from urea.

N-Phenylurea Toxicity Data With Reference

1.	orl-rat LD50:2000 mg/kg	IIFBA4 Izvestiya na Instituta po Fiziologiya, Bulgarska Akademiya na Naukite. 12 (1969),195.
2.	orl-mus LD50:1580 mg/kg	IIFBA4 Izvestiya na Instituta po Fiziologiya, Bulgarska Akademiya na Naukite. 12 (1969),195.
3.	ipr-mus LD50:1060 mg/kg	IIFBA4 Izvestiya na Instituta po Fiziologiya, Bulgarska Akademiya na Naukite. 12 (1969),195.

N-Phenylurea Consensus Reports

Reported in EPA TSCA Inventory.

N-Phenylurea Safety Profile

Moderately toxic by ingestion and intraperitoneal routes. When heated to decomposition it emits toxic fumes of NO_x.Safety information of Phenylurea (CAS NO.64-10-8):
Hazard Codes Harmful Xn
Risk Statements
22 Harmful if swallowed
Safety Statements
22 Do not breathe dust
36/37 Wear suitable protective clothing and gloves
WGK Germany 3
RTECS YU0650000

N-Phenylurea Specification

A solid or liquid absorbed on a dry carrier. A wettable powder. Contains any of several related products (Diuron, Fenuron, Linuron, Monuron, Neburon, Siduron) formally derived from urea. Toxic by inhalation, skin absorption, or ingestion. Obtain the technical name of the specific pesticide from the shipping papers and contact CHEMTREC, 800-424-9300 for response information.

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N-Phenylurea