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Cas Database

1792-17-2

1792-17-2

Identification

  • Product Name:Urea, N,N'-dibutyl-

  • CAS Number: 1792-17-2

  • EINECS:217-258-7

  • Molecular Weight:172.271

  • Molecular Formula: C9H20N2O

  • HS Code:2924199090

  • Mol File:1792-17-2.mol

Synonyms:Urea,1,3-dibutyl- (6CI,7CI,8CI);1,3-Di-n-butylurea;1,3-Dibutylurea;Dibutylurea;N,N'-Di-n-butylurea;N,N'-Dibutylurea;NSC 131939;SRI 434-37;

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Safety information and MSDS view more

  • Signal Word:no data available

  • Hazard Statement:no data available

  • First-aid measures: General adviceConsult a physician. Show this safety data sheet to the doctor in attendance.If inhaled If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician. In case of skin contact Wash off with soap and plenty of water. Consult a physician. In case of eye contact Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician. If swallowed Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.

  • Fire-fighting measures: Suitable extinguishing media Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide. Wear self-contained breathing apparatus for firefighting if necessary.

  • Accidental release measures: Use personal protective equipment. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust. For personal protection see section 8. Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided. Pick up and arrange disposal. Sweep up and shovel. Keep in suitable, closed containers for disposal.

  • Handling and storage: Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Avoid exposure - obtain special instructions before use.Provide appropriate exhaust ventilation at places where dust is formed. For precautions see section 2.2. Store in cool place. Keep container tightly closed in a dry and well-ventilated place.

  • Exposure controls/personal protection:Occupational Exposure limit valuesBiological limit values Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at the end of workday. Eye/face protection Safety glasses with side-shields conforming to EN166. Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU). Skin protection Wear impervious clothing. The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace. Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique(without touching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices. Wash and dry hands. The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and the standard EN 374 derived from it. Respiratory protection Wear dust mask when handling large quantities. Thermal hazards

Supplier and reference price

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  • Manufacture/Brand:TRC
  • Product Description:N,N''-Dibutylurea
  • Packaging:25g
  • Price:$ 875
  • Delivery:In stock
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  • Manufacture/Brand:Sigma-Aldrich
  • Product Description:1,3-DIBUTYLUREA Aldrich
  • Packaging:1g
  • Price:$ 144
  • Delivery:In stock
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  • Manufacture/Brand:Crysdot
  • Product Description:1,1-Dibutylurea 98%
  • Packaging:500g
  • Price:$ 762
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  • Manufacture/Brand:Chemcia Scientific
  • Product Description:1,3-Dibutyl-urea >95%
  • Packaging:50 G
  • Price:$ 295
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  • Manufacture/Brand:American Custom Chemicals Corporation
  • Product Description:N,N'-DIBUTYLUREA 95.00%
  • Packaging:5MG
  • Price:$ 495.52
  • Delivery:In stock
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  • Manufacture/Brand:Ambeed
  • Product Description:Dibutylurea 98%
  • Packaging:5g
  • Price:$ 22
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  • Manufacture/Brand:Ambeed
  • Product Description:Dibutylurea 98%
  • Packaging:100g
  • Price:$ 202
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  • Manufacture/Brand:Ambeed
  • Product Description:Dibutylurea 98%
  • Packaging:25g
  • Price:$ 68
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  • Manufacture/Brand:Alfa Aesar
  • Product Description:N,N'-Di-n-butylurea, 98%
  • Packaging:5g
  • Price:$ 55.1
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  • Manufacture/Brand:Alfa Aesar
  • Product Description:N,N'-Di-n-butylurea, 98%
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Relevant articles and documentsAll total 92 Articles be found

Penicillium expansum lipase-coated magnetic Fe3O 4-polymer hybrid hollow nanoparticles: A highly recoverable and magnetically separable catalyst for the synthesis of 1,3-dibutylurea

Liu, Jun,Wang, Wenjing,Liu, Huiwen,Zhou, Yaoliang,Zhang, Haibo,Zhou, Xiaohai

, p. 25983 - 25992 (2014)

Herein, amino-epoxy supports were innovatively imported onto magnetic nanoparticles (Fe3O4-polymer hybrid nanospheres) for immobilizing enzymes. This new support has a coating layer with dual functional groups (epoxy and amino-epoxy). Consequently, this support has great anionic exchange power and a high number of epoxy groups. The acquired immobilized Penicillium expansum lipase in combination with this heterofunctional support represents a novel class of heterogeneous catalyst towards the synthesis of 1,3-dibutylurea from ethylene carbonate and butylamine, which has not been very commonly catalyzed by enzymes. After optimization of the reaction conditions, the yield of 1,3-dibutylurea was 77% under solvent free conditions at 60 °C. Moreover, after completion of reaction, the catalyst was simply recovered by an external conventional magnet and recycled without significant loss in the catalytic activity (up to ten cycles). the Partner Organisations 2014.

Durand,Lassau

, p. 2329 (1969)

Non-Fullerene Small Molecule Acceptors Containing Barbituric Acid End Groups for Use in High-performance OPVs

Choe, Jong-chan,Lee, Tae Ho,Lim, Eunhee

, p. 20 - 23 (2019)

We synthesized two new bithiophene-based small molecules, TT-BBAR, and TT-OBAR, having butyl- and octyl-substituted barbituric acid (BAR) groups, respectively, via a well-known synthetic method, the Knoevenagel condensation, in high yield. These small mol

Synthesis of sulfonylurea derivatives used as oral antidiabetics by the selenium-assisted carbonylation using carbon monoxide with sulfur

Mizuno, Takumi,Kino, Takanobu,Ito, Takatoshi,Miyata, Toshiyuki

, p. 3081 - 3089 (2000)

Sulfonylurea derivatives including useful antidiabetics (Tolbutamide, Chlorpropamide) were synthesized in good yields from benzene-sulfonamides with thiocarbamates in the presence of DBU. Thiocarbamates were prepared by the selenium-assisted carbonylation

Lautenberger et al.

, p. 1110 (1968)

Method for photocatalytic synthesis of substituted urea compound

-

Paragraph 0045-0046; 0057, (2021/06/09)

The invention relates to the technical field of organic synthesis, in particular to a method for photocatalytic synthesis of a substituted urea compound. The method specifically comprises the following steps: mixing tetrahalomethane and a solvent, then adding an amine compound and a catalyst in sequence, stirring and reacting under an oxygen-containing atmosphere and an illumination condition, and then separating and purifying to obtain the substituted urea compound, according to the synthesis method, the raw materials are wide in source, by-products produced after the reaction are halogen simple substances and high in additional value, on one hand, phosgene, triphosgene and the like which are high in toxicity are prevented from being adopted as raw materials, on the other hand, generation of a large amount of waste is avoided, the catalyst can be recycled, the influence of the preparation process on the environment is reduced, and the atom utilization rate of the reaction is improved.

METHOD FOR PRODUCING CARBON DIOXIDE DERIVATIVE

-

Paragraph 0033-0034; 0037, (2021/06/25)

PROBLEM TO BE SOLVED: To provide a method for producing a useful carbon dioxide derivative from carbon dioxide with low energy. SOLUTION: An amine is caused to absorb carbon dioxide, and without separating the carbon dioxide, it is then reacted with an acid catalyst and an olefin, thereby producing a carbon dioxide derivative, which serves as a raw material for polyurethane. SELECTED DRAWING: None COPYRIGHT: (C)2021,JPOandINPIT

Hydrosilane-Assisted Synthesis of Urea Derivatives from CO2and Amines

Zhao, Yulei,Guo, Xuqiang,Si, Zhiyao,Hu, Yanan,Sun, Ying,Liu, Yunlin,Ji, Zhongyin,You, Jinmao

, p. 13347 - 13353 (2020/11/02)

A methodology employing CO2, amines, and phenylsilane was discussed to access aryl- or alkyl-substituted urea derivatives. This procedure was characterized by adopting hydrosilane to promote the formation of ureas directly, without the need to prepare silylamines in advance. Control reactions suggested that FeCl3 was a favorable additive for the generation of ureas, and this 1,5,7-triazabicyclo[4.4.0]dec-5-ene-catalyzed reaction might proceed through nucleophilic addition, silicon migration, and the subsequent formal substitution of silylcarbamate.

METHOD OF PREPARING UREA USING AMINE COMPOUND AND CARBON DIOXIDE

-

Paragraph 0073-0075; 0128-0132; 0161-0162; 0168; 0196, (2020/11/14)

Disclosed is a production method of urea using an amine compound and carbon dioxide. The production method of urea includes a step of producing urea by using the amine compound and a 2-pyrrolidone derivative as a solvent and reacting with the carbon dioxide, thereby producing high yield cyclic urea under mild reaction conditions and no catalyst conditions.

Rational design of bifunctional catalyst from KF and ZnO combination on alumina for cyclic urea synthesis from CO2 and diamine

John, Crowny,Kulal, Nagendra,Shanbhag, Ganapati V.

, (2020/04/22)

This study is mainly focused on the design of stable, active and selective catalyst for direct synthesis of 2-imidazolidinone (cyclic urea) from ethylenediamine and CO2. Based on the rationale for the catalyst properties needed for this reaction, KF, ZnO and Al2O3 combination was selected to design the catalyst. ZnO/KF/Al2O3 catalyst was prepared by stepwise wet-impregnation followed by the removal of physisorbed KF from the surface. High product yield could be achieved by tuning acid-base sites by varying the composition and calcination temperature. The catalysts were characterized by various techniques like XRD, N2-sorption, NH3-TPD, CO2-TPD, TEM, XPS and FT-IR measurements. It is shown that acidic and basic properties of the solvent can influence the activity and product selectivity for this reaction. Under optimized condition; 180 °C, 10 bar and 10 wt.% catalyst in batch mode, 96.3 % conversion and 89.6 % selectivity towards the 2-imidazolidinone were achieved.

Process route upstream and downstream products

Process route

potassium cyanate
590-28-3

potassium cyanate

n-Butyl chloride
109-69-3

n-Butyl chloride

N,N'-di-n-butylurea
1792-17-2

N,N'-di-n-butylurea

1,3,5-tributyl-[1,3,5]triazinane-2,4,6-trione
846-74-2

1,3,5-tributyl-[1,3,5]triazinane-2,4,6-trione

Conditions
Conditions Yield
With acetonitrile; potassium iodide; at 175 ℃;
carbamic acid-(2-amino-ethyl ester)
142-27-8

carbamic acid-(2-amino-ethyl ester)

N-butylamine
109-73-9,85404-21-3

N-butylamine

N,N'-di-n-butylurea
1792-17-2

N,N'-di-n-butylurea

Conditions
Conditions Yield
at 150 ℃;
N-butyl-N'-guanyl-urea
44987-80-6

N-butyl-N'-guanyl-urea

N-butylamine
109-73-9,85404-21-3

N-butylamine

N,N'-di-n-butylurea
1792-17-2

N,N'-di-n-butylurea

Conditions
Conditions Yield
nitrocarbamoyl-guanidine
28787-21-5

nitrocarbamoyl-guanidine

N-butylamine
109-73-9,85404-21-3

N-butylamine

N,N'-di-n-butylurea
1792-17-2

N,N'-di-n-butylurea

N-butyl-N'-guanyl-urea
44987-80-6

N-butyl-N'-guanyl-urea

diguanidine carbonate
593-85-1,90332-86-8,3425-08-9

diguanidine carbonate

Conditions
Conditions Yield
N-butylamine
109-73-9,85404-21-3

N-butylamine

urea
57-13-6

urea

N,N'-di-n-butylurea
1792-17-2

N,N'-di-n-butylurea

Conditions
Conditions Yield
With PEG-400; cerium(III) chloride; potassium iodide; In water; for 0.133333h; microwave irradiation;
95%
With water;
With hydrogenchloride; at 165 ℃;
n-butylamine hydrochloride
3858-78-4

n-butylamine hydrochloride

urea
57-13-6

urea

N,N'-di-n-butylurea
1792-17-2

N,N'-di-n-butylurea

Conditions
Conditions Yield
With water;
at 150 - 170 ℃;
n-butyl isocyanide
111-36-4

n-butyl isocyanide

N,N'-di-n-butylurea
1792-17-2

N,N'-di-n-butylurea

Conditions
Conditions Yield
n-butyl isocyanide; With [nido-6-Mn(CO)3B9H13][NMe4]; In dichloromethane; for 0.166667h; Sonication; Inert atmosphere;
In dichloromethane; for 0.166667h; Irradiation; Inert atmosphere;
91%
With water; at 100 ℃;
Multi-step reaction with 2 steps
2: Mor / toluene / Heating
With 2-morpholin-4-yldisulfanyl-benzothiazole; In toluene;
butyl isothiocyanate
592-82-5

butyl isothiocyanate

N,N'-di-n-butylurea
1792-17-2

N,N'-di-n-butylurea

Conditions
Conditions Yield
With ethanol; silver(l) oxide; at 65 - 70 ℃;
With lithium perchlorate; In acetonitrile; electrolysis;
<2-Butylcarbamoyloxy-aethyl>-butylcarbamat
55769-51-2

<2-Butylcarbamoyloxy-aethyl>-butylcarbamat

N,N'-di-n-butylurea
1792-17-2

N,N'-di-n-butylurea

Conditions
Conditions Yield
With 2-morpholin-4-yldisulfanyl-benzothiazole; In toluene; Heating;
carbon monoxide
201230-82-2

carbon monoxide

N-butylamine
109-73-9,85404-21-3

N-butylamine

N,N'-di-n-butylurea
1792-17-2

N,N'-di-n-butylurea

Conditions
Conditions Yield
With 2C7H9N4*Au(1+)*Cu(1+)*2I(1-); In toluene; at 20 ℃; Autoclave;
99%
With potassium tetraiodopalladate(II); at 80 ℃; for 24h; under 37503.8 Torr; Neat (no solvent); Autoclave;
97%
With carbon dioxide; oxygen; potassium iodide; palladium(II) iodide; In 1,2-dimethoxyethane; at 100 ℃; for 15h; under 45600 Torr;
96%
With air; carbon dioxide; potassium iodide; palladium(II) iodide; In 1,2-dimethoxyethane; at 100 ℃; for 15h; under 45603.1 Torr;
96%
With oxygen; copper-(N-heterocyclic carbene) complex; In 1,4-dioxane; at 100 ℃; for 3h; under 37503.8 Torr;
96%
With dmap; sodium periodate; sodium iodide; In dichloromethane; water; at 20 ℃; for 8h; under 34202.3 Torr;
94%
With Pd(OAc)2(BipyDS); oxygen; sodium iodide; In water; toluene; at 149.84 ℃; for 2h; under 51680.2 Torr;
92.1%
With cobalt-nitrogen-doped carbon nanotubes supported on diatomite; air; In 1,4-dioxane; at 110 ℃; for 8h; Autoclave;
92%
With 1-butyl-3-methyl-1H-imidazole-2(3H)-selenone; oxygen; at 60 ℃; for 6h; under 9750.98 Torr; Autoclave;
91%
With hydrogenchloride; di-tert-butyl peroxide; montmorillonitebipyridinepalladium(II)acetate; copper dichloride; In methanol; for 10h; under 760 Torr; Ambient temperature;
87%
With iron(III) oxide; selenium; 3-trifluoromethylnitrobenzene; In tetrahydrofuran; at 64 ℃; for 2h; under 760 Torr;
86%
With tungsten hexacarbonyl; iodine; potassium carbonate; In dichloromethane; at 90 ℃; for 24h; under 60804.1 Torr;
84%
With Co2Rh2; oxygen; In toluene; at 100 ℃; for 3h; under 3800.26 Torr; Autoclave;
84%
With oxygen; potassium iodide; palladium(II) iodide; at 100 ℃; for 24h; under 15001.5 Torr; Autoclave;
83%
With copper diacetate; air; palladium diacetate; In toluene; for 2h; under 760 Torr; Heating;
80%
With oxygen; carbene-palladium complex; In 1,2-dimethoxyethane; at 100 ℃; for 10h; under 30003 Torr;
75%
With oxygen; palladium dichloride; In methanol; at 80 ℃; for 6h;
61.6%
With oxygen; gold; In acetonitrile; at 45 ℃; for 24h; under 760.051 Torr;
46%
With 2-nitrobenzotrifluoride; selenium; In 1,2-dichloro-benzene; at 78 ℃; under 760 Torr; Rate constant; effect of selenocarbamates;
Multistep reaction; (i) selenium, (ii) O2;
With sulfur; at 120 ℃;
With tetrabutylammonium tetrafluoroborate; sodium acetate; palladium diacetate; In acetonitrile; at 50 ℃; for 3h; under 760 Torr; Electrolysis;
71 % Chromat.
With sulfur; sodium nitrite; In methanol; at 120 ℃; for 10h; under 30400 Torr;
With selenium; 3-trifluoromethylnitrobenzene; In chlorobenzene; at 75 - 85 ℃; Mechanism; Kinetics; also in the presence of Se-alkylammonium alkylselenocarbamates; other monoalkylamines;
With ; n-butylamine hydrochloride; In tetrahydrofuran; for 0.5h; Ambient temperature;
With 3-trifluoromethylnitrobenzene; selenium; In 1,2-dichloro-benzene; at 20 ℃; under 760 Torr; Rate constant; also at 40 deg C; also N-butylmonoselenolcarbamate catalyst; jumps in reaction rate as function of Y2O5 conc., CO/ArNO2 conc.; multiple quasistationary states;
With iodine; potassium carbonate; palladium diacetate; In acetonitrile; at 95 ℃; for 3h; under 2052 Torr;
98 % Chromat.
With oxygen; gold; In acetonitrile; at 45 ℃; for 24h; under 760.051 Torr;
46 % Chromat.
With oxygen; copper dichloride; In water; at 100 ℃; for 4h; under 30003 Torr; Autoclave; Green chemistry;
65 %Chromat.
With sulfur; (η5-C5Me5)Mo[N(iPr)C(Ph)N(iPr)](CO)2; In benzene-d6; for 18h; under 517.162 Torr; UV-irradiation;

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