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U8879

Sigma-Aldrich

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
Beilstein/REAXYS Number:
3680414
EC Number:
204-701-4
MDL number:
MFCD00013119
UNSPSC Code:
12352204
PubChem Substance ID:
24900683

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

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

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Specificity

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

Quantity

One tablet will provide the equivalent of 1.75 mg of H2O2.

Reconstitution

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_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

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

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Vanessa Cavalli et al.
Brazilian oral research, 26(6), 536-542 (2012-11-28)
This study evaluated the influence of fluoride-containing carbamide peroxide (CP) bleaching agents and adhesive systems on bonded enamel interfaces that are part of the dynamic pH cycling and thermal cycling models. The buccal surfaces of 60 bovine incisors were restored
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
Karen Pintado-Palomino et al.
Journal of dentistry, 43(9), 1099-1105 (2015-07-15)
To evaluate the efficacy of experimental proposals of desensitizing agents during tooth bleaching. 140 participants without tooth sensitivity (TS) received 16% carbamide peroxide (14 days-04 h each) (T1) or 35% hydrogen peroxide (single session-45 min) (T2). Participants used concomitantly (10
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
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