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Merck
CN

U8879

Hydrogen peroxide–Urea adduct

tablet

Synonym(s):

Carbamide Per hydrate, Carbamide peroxide, Percarbamide, Urea hydrogen peroxide

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About This Item

Linear Formula:
CO(NH2)2 · H2O2
CAS Number:
124-43-6
Molecular Weight:
94.07
EC Number:
204-701-4
UNSPSC Code:
12352204
PubChem Substance ID:
24900683
Beilstein/REAXYS Number:
3680414
MDL number:
MFCD00013119

Key Documents

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InChI key

AQLJVWUFPCUVLO-UHFFFAOYSA-N

InChI

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

SMILES string

OO.NC(N)=O

vapor pressure

23.3 mmHg ( 30 °C)

form

tablet

reaction suitability

reagent type: oxidant

mp

90-93 °C (lit.)

solubility

water: 1 tablets/4 mL, clear, colorless

storage temp.

2-8°C

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Biochem/physiol Actions

Urea Hydrogen Peroxide Tablets provide a safe and convenient source of H2O2 for use in enzyme immunoassay and other procedures.

Preparation Note

One tablet will provide the equivalent of 1.75 mg of H2O2.
When dissolved in 12.5 mL deionized water, one tablet yields a solution containing 0.014% H2O2.

pictograms

Flame over circleCorrosion
GHS03,GHS05

signalword

Danger

Hazard Classifications

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

Storage Class

5.1B - Oxidizing hazardous materials

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
SLBD1883
080M8212
018K8210
117K8208
100K8214

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E J Navimipour et al.
Operative dentistry, 38(2), 218-225 (2012-08-04)
This study aimed to evaluate the effect of toothbrushing on enamel surface roughness at three different intervals after daily bleaching treatment. Eighty enamel slabs were initially evaluated for surface roughness and then randomly divided into four groups. The bleaching procedure
Renata Plá Rizzolo Bueno et al.
Journal of applied oral science : revista FOB, 20(3), 335-339 (2012-08-04)
This in vitro study evaluated the influence of two 10% carbamide peroxide bleaching agents - a commercial product (Opalescence PF; Ultradent Products, Inc.) and a bleaching agent prepared in a compounding pharmacy - on the chemical degradation of a light-activated
Vanessa Cavalli et al.
American journal of dentistry, 25(3), 141-145 (2012-09-20)
To evaluate the initial caries development at adhesive/enamel interface after 10% carbamide peroxide bleaching (CP) with or without fluoride (F) under dynamic pH-cycling. Standard cavities were prepared on the bucal surface of 60 bovine incisors, which were restored with two
Lidia Yileng Tay et al.
American journal of dentistry, 25(4), 199-204 (2012-10-23)
This parallel, double-blind randomized clinical trial evaluated the 2-year bleaching efficacy and sensitivity produced by at-home (AH) and in-office (IO) bleaching therapies. 60 participants with tooth color darker than C2, without restorations in the anterior dentition and older than 18
L E Tam et al.
Operative dentistry, 38(2), 142-150 (2012-09-01)
Although damage to the structural integrity of the tooth is not usually considered a significant problem associated with tooth bleaching, there have been some reported negative effects of bleaching on dental hard tissues in vitro. More studies are needed to
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