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289132

Urea hydrogen peroxide

97%

Synonyme(s) :

Hydrogen peroxide–Urea adduct, Carbamide Per hydrate, Carbamide peroxide, Percarbamide, Urea hydrogen peroxide

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5 g
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41.10 CHF
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250 g
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A propos de cet article

Formule linéaire :
CO(NH2)2 · H2O2
Numéro CAS:
Poids moléculaire :
94.07
UNSPSC Code:
12352111
NACRES:
NA.22
PubChem Substance ID:
EC Number:
204-701-4
Beilstein/REAXYS Number:
3680414
MDL number:
Assay:
97%
Form:
solid

41.10 CHF


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vapor pressure

23.3 mmHg ( 30 °C)

Quality Segment

assay

97%

form

solid

reaction suitability

reagent type: oxidant

mp

90-93 °C (lit.)

functional group

amine

storage temp.

room temp

SMILES string

OO.NC(N)=O

InChI

1S/CH4N2O.H2O2/c2-1(3)4;1-2/h(H4,2,3,4);1-2H

InChI key

AQLJVWUFPCUVLO-UHFFFAOYSA-N

General description

Urea hydrogen peroxide (UHP) is an oxidizing agent consisting of urea and hydrogen peroxide. In the presence of carboxylic anhydrides, UHP is employed in a variety of oxidative conversions in anhydrous organic solvents. UHP is used as a hydrogen peroxide source in the oxidation reaction.

Application

Urea hydrogen peroxide can be used as an oxidizing agent:
  • In the conversion of sulfides to sulfoxides or sulfones under solvent free condition.
  • In the conversion of nitrogen heterocycles to their corresponding N-oxides.
  • In the epoxidation of various alkene in combination with number of carboxylic anhydrides and disodium hydrogen phosphate in anhydrous organic solvents.
  • In the Baeyer–Villiger oxidation reaction where in aldehydes and ketones undergo oxidation to produce esters and lactones using various peroxycarboxylic acids.

Features and Benefits

UHP is:
  • Inexpensive.
  • Stable.
  • Easy handling reagent.

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1 of 1

Cet article
183040407895294
description

97%

description

34.5-36.5%

description

powder, 15-17% active oxygen basis

description

tested according to Ph. Eur.

assay

97%

assay

34.5-36.5%

assay

-

assay

29.0-31.0% (M/M)

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

reaction suitability

reagent type: oxidant

reaction suitability

reagent type: oxidant

reaction suitability

reagent type: oxidant

reaction suitability

reagent type: oxidant

storage temp.

room temp

storage temp.

2-8°C

storage temp.

-

storage temp.

2-8°C

mp

90-93 °C (lit.)

mp

-

mp

85-90 °C (dec.), 90-93 °C (lit.)

mp

-

form

solid

form

-

form

powder

form

solution


pictograms

Flame over circleCorrosion

signalword

Danger

Hazard Classifications

Eye Dam. 1 - Ox. Sol. 3 - Skin Irrit. 2

Classe de stockage

5.1B - Oxidizing hazardous materials

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges



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Questions

1–2 of 2 Questions  
  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf

      Helpful?

  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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