Hydrogen Peroxide

It is an aa a strang oxidizer. Hydrogen peroxide is a clear liquid, slichtly mair viscous than watter. In dilute solution, it appears colorless. Contrary tae belief it daes nae cure acne. Due tae its oxidizin properties, hydrogen peroxide is eften uised as a bleach or cleanin agent. The oxidizin capacity o hydrogen peroxide is sae strang that it is considered a heichly reactive oxygen species. Concentratit hydrogen peroxide, or 'heich-test peroxide', is tharefore uised as a propellant in racketry. Organisms an aa naiturally produce hydrogen peroxide as a bi-product o oxidative metabolism. Consequently, nearly aw livin things (specifically, aw obligate an facultative aerobes) possess enzymes kent as catalase peroxidases, which hairmlessly an catalytically decompose law concentrations o hydrogen peroxide tae watter an oxygen.

Hydrogen peroxide

Names
IUPAC name dihydrogen dioxide
Ither names Dioxidane Oxidanyl
Identifiers
CAS Nummer	7722-84-1 Y
3D model (JSmol)	Interactive eemage
ChEBI	CHEBI:16240 Y
ChEMBL	ChEMBL71595 Y
ChemSpider	763 Y
EC Nummer	231-765-0
IUPHAR/BPS	2448
KEGG	D00008 Y
PubChem CID	784
RTECS nummer	MX0900000 (>90% soln.) MX0887000 (>30% soln.)
UNII	BBX060AN9V Y
UN nummer	2015 (>60% soln.) 2014 (20–60% soln.) 2984 (8–20% soln.)
InChI InChI=1S/H2O2/c1-2/h1-2H Y Key: MHAJPDPJQMAIIY-UHFFFAOYSA-N Y InChI=1/H2O2/c1-2/h1-2H Key: MHAJPDPJQMAIIY-UHFFFAOYAL
SMILES OO
Properties
Chemical formula	2(HO)
Molar mass	34.0147 g/mol
Appearance	Very licht blue colour; colourless in solution
Odour	slichtly sharp
Density	1.135 g/cm3 (20 °C, 30-percent) 1.450 g/cm3 (20 °C, pure)
Meltin pynt	−0.43 °C (31.23 °F; 272.72 K)
Bylin pynt	150.2 °C (302.4 °F; 423.3 K)
Solubility in watter	Miscible
Solubility	soluble in ether, alcohol insoluble in petroleum ether
Acidity (pKa)	11.75
Refractive index (nD)	1.4061
Viscosity	1.245 cP (20 °C)
Dipole moment	2.26 D
Thermochemistry
Speceefic heat capacity, C	1.267 J/g K (gas) 2.619 J/g K (liquid)
Std enthalpy o formation ΔfHo298	-136.10 kJ/mol
Hazards
EU clessification	Oxidant (O) Corrosive (C) Harmful (Xn)
R-phrases	R5, R8, R20/22, R35
S-phrases	(S1/2), S17, S26, S28, S36/37/39, S45
NFPA 704	0 3 2 OX
Flash pynt	Non-flammable
Lethal dose or concentration (LD, LC):
LD50 (Median dose)	1518 mg/kg
Relatit compoonds
Except whaur itherwise notit, data are gien for materials in thair staundart state (at 25 °C [77 °F], 100 kPa).
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Infobox references

At ane time, the maist common hoosehauld uise o hydrogen peroxide wis tae disinfect woonds, but it's nou thoucht nae anly tae be ineffective, but tae slaw healin bi damagin human tissue. Surgical uise can lead tae gas embolism formation, e.g.

Claims that dilutit hydrogen peroxide mey be taken intravenously or even orally, for treatin various sicknesses includin cancer hae been shawn tae be "Fraudulent, Dangerous, an Illegal", uisin "misbrandin" an leid explicitly prohibitit bi the Code o Federal Regulations, an hae caused several cases o daith. An organisation o doctors advocatin thir practices haes been shut doun bi the FDA, anither, wi seemilar publications, haes been absorbed intae the 'American College for Advancement in Medicine' (ACAM), a group advocatin dangerous an dubious Chelation therapy

Hydrogen peroxide haes been uised for creatin home made bombs, an reportit tae be a major ingredient in the 7 Julie 2005 Lunnon bombins.

A new method o manufacturing haes been developed in 2008 leadin tae a dramatic increase in production.