ChemicalBook > CAS DataBase List > Phenylurea

Phenylurea

Product Name: Phenylurea
CAS No.: 64-10-8
Chemical Name: Phenylurea
Synonyms: 1-Phenylurea;VH;Urea, N-phenyl-;phenyl-ure;PHENYLUREA;N-PHENYLUREA;stabilizervh;Urea,phenyl-;AKOS B029810;Stabilizer VH
CBNumber: CB2252571
Molecular Formula: C7H8N2O
Formula Weight: 136.15
MOL File: 64-10-8.mol

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Phenylurea Property

Melting point:: 145-147 °C(lit.)
Boiling point:: 238 °C
Density: 1,302 g/cm³
vapor density: >1 (vs air)
refractive index: 1.5769 (estimate)
Flash point:: 238°C
storage temp.: Keep in dark place,Sealed in dry,Room Temperature
solubility: H₂O: 10 mg/mL, clear
pka: 13.37±0.50(Predicted)
form: Powder, Crystals and/or Chunks
color: White to light yellow
Water Solubility: Soluble in water.
Merck: 14,7319
BRN: 1934615
Stability:: Stable. Incompatible with strong oxidizing agents.
InChIKey: LUBJCRLGQSPQNN-UHFFFAOYSA-N
CAS DataBase Reference: 64-10-8(CAS DataBase Reference)
EPA Substance Registry System: Urea, phenyl- (64-10-8)

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Safety

Hazard Codes: Xn
Risk Statements: 22
Safety Statements: 22-36/37-24/25
WGK Germany: 3
RTECS: YU0650000
TSCA: Yes
HS Code: 29242100
Toxicity: LD50 oral in rat: 2gm/kg

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P330Rinse mouth.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: P36959
Product name: N-Phenylurea
Purity: 97%
Packaging: 100g
Price: $25.55
Updated: 2025/07/31

Sigma-Aldrich

Product number: P36959
Product name: N-Phenylurea
Purity: 97%
Packaging: 500g
Price: $86.45
Updated: 2025/07/31

TCI Chemical

Product number: P0247
Product name: Phenylurea
Purity: >98.0%(HPLC)(N)
Packaging: 25g
Price: $30
Updated: 2025/07/31

TCI Chemical

Product number: P0247
Product name: Phenylurea
Purity: >98.0%(HPLC)(N)
Packaging: 100g
Price: $91
Updated: 2025/07/31

AK Scientific

Product number: J91900
Product name: Phenylurea
Packaging: 25g
Price: $15
Updated: 2021/12/16

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Phenylurea Chemical Properties,Usage,Production

Chemical Properties

Colorless needle-like crystals or off-white powder. Melting point 147°C(decomposition), soluble in hot water, hot alcohol, ether, ethyl acetate and acetic acid.

Uses

Phenylureas are commonly used soil-applied herbicides for control of grass and small-seeded broadleaf weeds.

Uses

Phenyl urea is used in organic synthesis. It acts as an efficient ligand for palladium-catalyzed Heck and Suzuki reactions of aryl bromides and iodides.

Preparation

Phenylurea is synthesized by the reaction of aniline and urea. Put urea, hydrochloric acid and aniline into the reaction pot, heat and stir, reflux at 100-104°C for 1 hour, add water and stir, cool, filter, wash the filter cake with water, and dry to obtain the finished product of phenylurea.

Application

Phenyl urea pesticide, liquid, poisonous appears as a liquid dissolved or suspended in a liquid carrier. Contains any of several related compounds (Diuron, Fenuron, Linuron, Neburon, Siduron, Monuron) formally derived from urea. Carrier is water emulsifiable. Toxic by inhalation, skin absorption, or ingestion.

Definition

ChEBI: 1-Phenylurea is a member of ureas.

General Description

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.

Reactivity Profile

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.

Health Hazard

Highly toxic, may be fatal if inhaled, swallowed or absorbed through skin. Avoid any skin contact. Effects of contact or inhalation may be delayed. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.

Fire Hazard

Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes. Containers may explode when heated. Runoff may pollute waterways.

Purification Methods

Crystallise the urea from boiling water (10mL/g) or amyl alcohol (m 149o). Dry it in a steam oven at 100o. The 1:1 resorcinol complex has m 115o (from EtOAc/*C6H6). [Beilstein 12 H 346, 12 II 204, 12 III 760, 12 IV 734.]

Phenylurea Preparation Products And Raw materials

Raw materials

Preparation Products

4-PHENYLSEMICARBAZIDE 4-UREIDO-BENZENESULFONYL CHLORIDE 1,4-DIPHENYLSEMICARBAZIDE

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View Lastest Price from Phenylurea manufacturers

BorayChem (Shanghai) New Materials Co., Ltd.

Product: 1-Phenylurea 64-10-8
Price: US $10.00/kg
Min. Order: 25kg
Purity: >99.9%
Supply Ability: 200tons
Release date: 2025-09-02

Xi’an Goldenfeather & One Technology Co., Ltd.

Product: N-Phenylurea 64-10-8
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: 99%Min
Supply Ability: 3000 tons
Release date: 2025-08-18

Hebei Chuanghai Biotechnology Co., Ltd

Product: Phenylurea 64-10-8
Price: US $10.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 10 mt
Release date: 2024-12-05

64-10-8, PhenylureaRelated Search:

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PHENYLCARBAMIDE

PHENYLUREA

phenyl-ure

phenylureapesticide,liquid,flammable,poisonous

phenylureapesticide,liquid,poisonous

phenylureapesticide,solid,poisonous

Stabilisator VH

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N-PHENYLUREA FOR SYNTHESIS 250 G

N-PHENYLUREA FOR SYNTHESIS 5 G

N-Phenylurea 97%

N-Phenylurea Vetec(TM) reagent grade, 97%

stabilisatorvh

Stabilizer VH

stabilizervh

Urea,phenyl-

Phenylcarbamidel

AKOS B029810

CHEMPACIFIC 39929

Phenylurea,97%

Phenylurea, mono-

N-Phenylurea,Phenylcarbamidel

PHENY CARBAMIDE

(Phenylamino)formamide

Phenylurea&gt

Phenylurea, 98%, for synthesis

Urea, N-phenyl-

Althiazide Impurity 2(Althiazide EP Impurity B)

N'-phenyl Urea

<i>N</i>-Phenylurea

64-10-8

1964-10-8

1964-10-08

C7H8N2O1

C7H8N20

C6H5NHCONH2

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