OZONE REACTIONS

Organic Compounds react with Ozone in a process similar to combustion.

The reaction of an organic compound with ozone and the combustion of the same compound yield carbon dioxide and water as the main end products. Ozone also combines with most of the Hetro-elements found in organic compounds to produce the elemental oxide with the highest oxidation number.

Inorganic compounds of lower oxidation numbers react with Ozone to produce oxides, however, there are many inorganic compounds which will not react.

 

The reactions are grouped according to the following classification:

This group breaks down into carbon dioxide, water and oxygen.
This group includes: Acetic Acid, Acetone, Formaldehyde, Isopropyl Alcohol. M.E.K (methyl ethyl keytone), Propylene Glycol.
The sources of these chemicals in our homes include: Tobacco smoke, plywood, cabinets, furniture, particle board, office dividers, new carpets, new drapes, wallpaper, and paneling. Also in cosmetics, shampoo and in packaged, bottled. and canned supermarket foods.

  1. ACETIC ACID

    Formula: CH3COOH

    Reaction with Ozone: C2H4O2 + 4O3 —-> 2CO2  + 2H2O + 4O2

    Number of O2 molecules consumed per molecule of compound = 2

  2. ACETONE

    Formula: CH3COCH3

    Reaction with Ozone: C3H6O + 8 O3 —-> 3CO2 + 3H2O + 8 O2

    Number of O2 molecules consumed per molecule of compound = 4

  3. n-BUTYL ACETATE

    Formula: C6H12O2

    Reaction with Ozone: C6H12O2 + 16O3 —-> 6CO2 + 6H2O + 16O2

    Number of O2 molecules consumed per molecule of compound = 8

  4. BUTOXYETHANOL

    Formula: C6H14O2

    Reaction wtih Ozone: C6H14O2 + 17O3 —- > 6CO2 + 7H2O + 4O2

    Number of O2 molecules consumed per molecule of compound = 20.5

  5. CETYL ALCOHOL

    Formula: CH3(CH2)15OH

    Reaction with Ozone: CH3(CH2)15OH + 48O3 —-> 16CO2 + 17H2O + 4O2

    Number of O2 molecules consumed per molecule of compound = 24

  6. FORMALDEHYDE

    Formula: HCHO

    Reaction with Ozone: HCHO + 2O3 —-> CO2 + H2O + 2O2

    Number of O2 molecules consumed per molecule of compound = 1

  7. ISOPROPYL ALCOHOL

    Formula: CH3CHOHCH5

    Reaction with Ozone: CH3CHOHCH5 + 9O3 —- > 3CO2 + 4H2O + 9O2

    Number of O2 molecules consumed per molecule of compound = 4.5

  8. GLYCEROL

    Formula: CH2OHCHOHCH2OH

    Reaction with Ozone: CH2OHCHOHCH2OH + 7O3 —- > 3CO2 + 4H2O + 7O2

    Number of O2 molecules consumed per molecule of compound = 4.5

  9. METHACRYLIC ACID (glacial)

    Formula: CH2C (CH3) COOH

    Reaction with Ozone: CH2C (CH3) COOH + 9O3 —- > 4CO2 + 3H2O + 9O2

    Number of O2  molecules consumed per molecule of compound = 4.5

  10. METHYL-ETHYL-KETONE

    Formula: CH3COC2H5

    Reaction with Ozone: CH3COC2H5 + 11O3 —- > 4CO2 + 4H2O + 11O2

    Number of O2 molecules consumed per molecule of compound = 5.5

  11. PROPYLENE GLYCOL

    Formula: C3H8O2

    Reaction with Ozone: C3H8O2 + 8 O3 —- > 3CO2 + 4H2O + 8 O2

    Number of O2 molecules consumed per molecule of compound = 4

This group breaks down into carbon dioxide, water and oxygen.
This group includes: Benzene, Camphor, and Toulene.
These chemicals are associated with: paint, new carpets, new drapes and upholstery.

  1. BENZENE

    Formula: C6H6

    Reaction with Ozone: C6H6 + 11O3  —-> 6CO2 + 3H2O + 11O2

    Number of O2 molecules consumed per molecule of compound = 5.513

  2. BENZYL ALCOHOL

    Formula: C6H2CH2OH

    Reaction with Ozone: C6H2CH2OH + 17O3 —-> 7CO2 + 4H2O + 17O2

    Number of O2 molecules consumed per molecule of compound = 8.5

  3. N.BUTYL PHTHALATE

    Formula: C12H14O4

    Reaction with Ozone: C12H14O4 + 27O3 —-> 12CO2 + 7H2O + 27O2

    Number of O2 molecules consumed per molecule of compound = 13.5

  4. CAMPHOR

    Formula: C10H16O

    Reaction with Ozone: C10H16O + 27O3 —-> 10CO2

  5. PARA-PHENYLENEDIAMINE

    Formula: C6H8N2

    Reaction with Ozone: C6H8N2 + 16O3  —-> 6CO2 + 4H2O + N2 + 16O2

    Number of O2 molecules consumed per molecule of compound = 8

  6. RESORCINOL

    Formula: C6H6O2

    Reaction with Ozone: C6H6O2 + 13O —-> 6CO2 + 3H2O + 13O2

    Number of O2 molecules consumed per molecule of compound = 6.5

  7. STYRENE

    Formula: C6H5CHCH2

    Reaction with Ozone: C6H5CHCH2 + 20O3  —-> 8CO2 + 4H2O + 20O2

    Number of O2 molecules consumed per molecule of compound = 10

  8. TRICRESYL

    Formula: C21H21PO4

    Reaction with Ozone: C21H21PO4 + 102O3  —-> 42CO2 + 21H2O + P2O5 + 102O2

    Number of O2 molecules consumed per molecule of compound = 51

  9. TOULENE

    Formula: C6H5CH3

    Reaction with Ozone: C6H5CH3 + 18O3  —-> 7CO2 + 4H2O + 18O2

    Number of O2 molecules consumed per molecule ot compound = 9

  10. XYLENE

    Formula: C6H4(CH3)2

    Reaction with Ozone: C6H4(CH3)2  + 21O3 —-> 8CO2 + 5H2O + 21O2

    Number of O2 molecules consumed per molecule of compound = 10.5

This group breaks down into carbon dioxide, water and oxygen.
This group contains: Butane, L.P.G. (Liquid Propane Gas), Propane, Mineral Spirits.
These are associated with: hydrocarbons, tobacco smoke, gas burners, and furnances.

    1. BUTANE

      Formula: C4H10

      Reaction with Ozone: C4H10 + 13O3 —-> 4CO2 + 5H2O + 13O2

      Number of O2 molecules consumed per molecule of compound = 6.5

    2. ISOBUTANE

      Formula: (CH3)3CH (need to check for accuracy)

    3. LIQUEFIED PETROLEUM GAS (LPG)

      General Formula: CnH2N+2

      Both LPG (Liquefied petroleum gas) is a mixture of aliphatic, saturated hydrocarbons, therefore only a generic formula was used to describe the reaction with Ozone.

      Reaction with Ozone: CnH2N+2 + O3 —- > nCO2 + (n+1) H2O + O2

      Number of O2 molecules consumed per molecule of compound: 3/2 n + 1/2 O

    4. MINERAL SPIRITS

      General Formula: Cn H2n+2

      Mineral spirits are mixtures of aliphatic, saturated hydrocarbons, therefore only a generic formula was used to describe the reaction with Ozone.

      Reaction with Ozone: Cn H2n+2  + O3 —- > nCO2 + (n+ 1) H2O + O2

      Number of O2 molecules consumed per molecule of compound: 3/2 n + 1/2 O

    5. PROPANE

      Formula: C3H8

      Reaction wtih Ozone: C3H8 + 10O3 :—-> 3CO2 + 4H2O + 10O2

      Number of O2 molecules consumed per molecule of compound = 5

This group breaks down into carbon dioxide, water, CL20 and oxygen.
Chlorides are organic compounds which have one or more chlorine atoms in their structure.
This group includes: Methyl Chloroform.
These compounds react with Ozone to produce hypochloride which in turn decompose to produce chloride and release oxygen, as shown in the following reaction: CL2O —- > 2CL-1 + 1/2O2

27. METHYLENE CHLORIDE (Dichloromethane)

       Formula: CH2CL2
       Reaction with Ozone: 2CH2CL2 + 4O3 —-> CO2 + H2O + CL2O + 4O
Number of O2 molecules consumed per molecule of compound = 1

28. CHLOROFORM

       Formula: CHCL3
       Reaction with Ozone: 6CHCL3 + 6O3 —-> 6CO2 + 3H2O + 9CL2O
Number of O2 molecules consumed per molecule of compound = 2/9 O

29. METHYL CHLOROFORM

       Formula: CH3CCL3
       Reaction with Ozone: 2CH3CCL3 + 14O3 —-> 4CO2 + 3H2O + 3CL2O + 14O2
Number of O2 molecules consumed per molecule of compound = 3.5

30. PERCHLOROETHYLENE

       Formula: CCL2CCL2
       Reaction with Ozone: CCL2CCL2 + 6O3 —-> 2CO2 + 2CL2O +  6O2
Number of O2 molecules consumed per molecule of compound = 1.5

31. TRICHLOROETHYLENE

        Formula: CHCLCCL2
        Reaction with Ozone: 2CHCLCCL2 + 12O3 —-> 4CO2 + H2O + 3CL2O + 12O2
Number of O2 molecules consumed per molecule of compound = 3

This group breaks down into water, nitrogen and oxygen.
This group includes: Ammonia, and Hydrogen Cyanide.

  1. HYDROGEN CYANIDE

    Formula: HCN

    Reaction with Ozone: 2HCN + 5O —-> 2CO2 + H2O + N2 + 5O2

    Number of O2 molecules consumed per molecule of compound = 1.25

  2. AMINO PHENOL

    General Formula: CH3C6H4NH2 (need to check for accuracy)

  3. AMMONIA

    Formula: NH3

    Reaction with Ozone: 2NH3 + 3O —-> N2 + 3H20 + 3O2

    Number of O2 molecules consumed per molecule of compound = 0.75

  4. AMMONIUM HYDROXIDE

    Formula: NH4OH

    Reaction with Ozone: 2NH4OH +3O3 —-> N2 +5H2O + 3O2

    Number of O2 molecules consumed per molecule of compound = 0.75

  5. BENZOPYRENE

    Formula: C20H12

    Reaction with Ozone: 3C20H12 + 46O3  —-> 60CO2 + 18H2O

    Number of O2 molecules consumed per molecule of compound = 17

  6. EDTA (Ethylene Diamine Tetracetic Acid)

    Formula: C10H16N2O8

    Reaction with Ozone*: C10H16N2O8 + 20O3  —-> 10CO2 + 8H2O + N2 + 2O2

    Number of O2 molecules consumed per molecule of compound = 30

  7. ETHANOLAMINE

    Formula: NH2CH2CH2OH

    Reaction with Ozone: 2NH2CH2CH2OH + 13O3 —-> 4CO2 + 7H2O + 13O2 + N2

    Number of O2 molecules consumed per molecule of compound: = 3.25

  8. PHENACETIN

    Formula: CH3CONHC6H4OC2H5

    Reaction with Ozone: CH3CONHC6H4OC2H5 + 49O3  —-> 20CO2 + 13H2O + N2 + 49O2

    Number of O2 molecules consumed per molecule of compound = 24.5

This group breaks down into carbon dioxide, water, sulfuric acid and oxygen.
This group include: Ammonium Persulfate and Sodium Bisulfite.
These compounds react with OZONE to produce sulfur trioxide (SO3), which in the presence of water forms sulfuric acid, a strong mineral acid.

40. AMMONIUM PERSULFATE

       Formula: (NH4)2S2O8
      Persulfuric acid (H2S2O8) is a very unstable acid which releases oxygen upon exposure to heat. Its decomposition   product is sulfuric acid (H2SO4) a very strong mineral acid.
      Reaction with Ozone: (NH4)2S2O8 + 3O3  —->  N2 + H2S2O8 + 3H2O + 3O2
Number of O2 molecules consumed per molecule of compound = 1/5O

41. AMMONIUM THlIOGLYCOLATE

       Formula: NH2COCH2SH
       Reaction with Ozone*: 2C2H2SNO + 17 O3  —-> 4CO2 + 5H2O + N2 + 2SO3 + 17O2
Number of O2 molecules consumed per molecule of compound = 2

42. SODIUM BISULFITE

       Formula: NaHSO3
       Reaction with Ozone: NaHSO3 + O3  —-> NaHSO4 + O2
Number of O2 molecules consumed per molecule of compound = 1.5

43. THIOGLYCOLIC ACID

      Formula: HSCH2COOH
      Reaction with Ozone: HSCH2COOH + 7O —-> 2CO2 + 2H2O + SO3 + 7O2
Number of O2 molecules consumed per molecule of compound = 3.5

Of particular note: Alkylated Silicates form Carbon Dioxide, water, Silicon Dioxide and Oxygen.
Silicon Dioxide is considered a respiratory hazard.
Members of this group include: Non-ionic Detergents

44. ALKYLATED SILICATES

        General Formula: (RnSiO)m.
        These silicates produce SILICA (silicon dioxide) which is considered a respiratory hazard.
        Reaction with Ozone: (RnSiO)m + O3 —- > CO2 + H2O + SiO2
Number of O2 molecules consumed per molecule of compound = 4 5m

45. NON-IONIC DETERGENTS

       Formula: CxHy
       Non-ionic detergents do not have a generic formula. therefore the formula CxHy is used to define this class of compounds.
       Reaction with Ozone: CxHy + O3 — > CO2 + H2O + O2
Number of O2 molecules consumed per molecule of compound = 6x + 1.5y

Members of this group include: Hydrogen Peroxide, Potassium Persulfate Sodium Bromate.
The following compounds do not react with OZONE.

46. CALCIUM OXIDE

        Formula: CaO

47. HYDROGEN PEROXIDE

       Formula: H2O2

48. PHOSPHORIC ACID

       Formula: H3PO4

49. POTASSIUM PERSULFATE

       Formula: K2S2O5

50. SILICAS

       Formula: SiO2

51. SODIUM BROMATE

       Formula: NaBrO3

52. SODIUM PERSULFATE

       Formula: Na2S2O5

53. STRONTIUM PEROXIDE

       Formula: SrO2

54. TETRASODIUM PYROPHOSPHATE

       Formula: Na4P2O7

55. TITANIUM DIOXIDE

       Formula: TiO2

56. CARBON TETRACHLORIDE (low temperature)

       Formula: CLC4

Source: information from Educate Yourself.

Notes: (*) possible error

COMPATIBILITY WITH OZONE

Material Rating Material Rating
ABS plastic Good Low-density polyethylene (LDPE) Good
Acetal (Delrin®) Fair Magnesium Poor
Acrylic (Perspex®) Good Monel Fair
Aluminum Good**Fair* Natural rubber Poor
Brass Good Neoprene Fair
Bronze Good NORYL® N/A
Buna-N (Nitrile) Poor Nylon Poor
Butyl Excellent Polyether ether ketone (PEEK) Excellent
Cast Iron Fair Polyacrylate Good
Chemraz Excellent Polyamide (PA) Fair
Copper Good Polycarbonate Excellent
Chlorinated polyvinyl chloride (CPVC)*** Excellent Polyethelyne Good
Cross-Linked Polyethylene (PEX) Excellent Polypropylene Fair
Durachlor-51 Excellent Polysulfide Good
Durlon 9000 Excellent Polytetrafluoroethylene (PTFE) Excellent
Ethylene Propylene Diene Monomer (EPDM) Good**
Fair*
Polyvinyl chloride (PVC)*** Excellent*
Good**
Ethylene Propylene Rubber (EPR) Excellent Polyurethane, Millable Excellent
Ethylene-Propylene Excellent Polyvinylidene fluoride (PVDF), or Kynar® Excellent
Epoxy N/A Ryton® (PPS) N/A
Fiber Reinforced Plastics (FRD) Poor Santopreme Excellent
Flexelene Good Silicone Excellent
Fluorosilicone Excellent Stainless steel – 304 Good
Excellent
Galvanized Steel Fair Stainless steel – 316 Excellent
Glass Excellent Stainless Steel-other grades Good
Hastelloy-C® Excellent Steel (Mild) Poor
High-density polyethylene (HDPE) Excellent Teflon® (PTFE) Excellent
Hypalon® Fair Titanium Excellent
Hytrel® Fair Tygon Good
Inconel Excellent Vamac Excellent
Kalrez Excellent Viton Excellent
Kel-F® (PCTFE) Excellent Zinc Poor
Description:
Excellent – Ozone has no effect on these materials, which means that ozone has no influence on its useful life.
Good –  Ozone has minor effect on these materials, however, prolonged use with high concentrations of ozone will corrode or even break down these materials.
Fair – Prolonged use with any ozone concentration will corrode or break down these materials only with a few weeks of use.
Poor – These materials are not recommended for any use with ozone because they will break down within days or even hours of use.
N/A – Information Not Available
(*) – with Dry Ozone
(**) – with Wet Ozone
(***) – Get Brittle
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