MATERIAL SAFETY DATA SHEET
PRODUCT NAME: OZONE
1. Chemical Product and Company Identification
BOC Gases, BOC Gases
Division of, Division of,
The BOC Group, Inc. BOC Canada Limited
575 Mountain Avenue 5975 Falbourne Street, Unit 2
Murray Hill, NJ 07974 Mississauga, Ontario L5R 3V8
TELEPHONE NUMBER: (908) 464-8100 TELEPHONE NUMBER: (905) 501-1700
24-HOUR EMERGENCY TELEPHONE NUMBER: 24-HOUR EMERGENCY TELEPHONE NUMBER:
CHEMTREC (800) 424-9300 (905) 501-0802
EMERGENCY RESPONSE PLAN NO: 20101
PRODUCT NAME: Ozone
CHEMICAL NAME: Ozone
COMMON NAMES/SYNONYMS: Triatomic oxygen
TDG (Canada) CLASSIFICATION: 2.3
WHMIS CLASSIFICATION: D1A, C, D2B
PREPARED BY: Loss Control (908)464-8100/(905)273-7700
PREPARATION DATE: 2/14/97
REVIEW DATES: Not Applicable
2. Composition, Information on Ingredients
1 2
INGREDIENT % VOLUME PEL-OSHA TLV-ACGIH LD50 or LC50
Route/Species
Ozone 100 0.1 ppm 0.1 ppm LC50: 4800 ppb/4 H
FORMULA: O3 (Ceiling) inhalation/rat
CAS: 10028-15-6
RTECS #: RS8225000
1
As stated in 29 CFR 1910, Subpart Z (revised July 1, 1993)
2
As stated in the ACGIH 1996-97 Threshold Limit Values for Chemical Substances and Physical Agents. Ozone is on the "Notice of Intended
Changes" with a TLV of: 0.05 ppm for heavy work; 0.08 ppm for moderate work; and 0.10 ppm for light work.
3. Hazards Identification
EMERGENCY OVERVIEW
POISON GAS. OXIDIZER. Colorless to blue gas with characteristic pungent odor which is lethal at
relatively low concentrations and at short exposure periods. The primary toxic effect is lung injury
characterized by pulmonary congestion, edema, and hemorrhage. Can cause eye, nose, throat, and
respiratory irritation. Long-term exposure may result in chronic respiratory disease. Incompatible with
all oxidizable materials. Will accelerate combustion when involved in a fire situation.
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PRODUCT NAME: OZONE
ROUTE OF ENTRY:
Skin Contact Skin Absorption Eye Contact Inhalation Ingestion
Yes No Yes Yes No
HEALTH EFFECTS:
Exposure Limits Irritant Sensitization
Yes Yes No
Teratogen Reproductive Hazard Mutagen
No No No
Synergistic Effects:
Co-exposure with particulates results in enhanced toxic effects.
Carcinogenicity: -- NTP: No IARC: No OSHA: No
EYE EFFECTS:
May cause irritation and conjunctivitis.
SKIN EFFECTS:
Adverse effects are not anticipated for gas.
INGESTION EFFECTS:
Product is a gas, ingestion is not anticipated.
INHALATION EFFECTS:
Inhalation of ozone causes lung damage characterized by pulmonary congestion, edema and hemorrhage.
Symptoms following acute exposure include headache, fatigue, decreased pulse rate and blood pressure, cough,
respiratory stimulation, and irritation of the eyes, nose, throat, and chest.
NFPA HAZARD CODES HMIS HAZARD CODES RATINGS SYSTEM
Health: 4 Health: 4 0 = No Hazard
Flammability: 0 Flammability: 0 1 = Slight Hazard
Reactivity: 3 Reactivity: 3 2 = Moderate Hazard
3 = Serious Hazard
4 = Severe Hazard
MEDICAL CONDITIONS AGGRAVATED BY EXPOSURE: Exposure to ozone has aggravated or
accelerated pre-existing respiratory disease. Irritant properties may aggravate pre-existing eye conditions.
4. First Aid Measures
EYES:
Flush eyes with large amounts of warm water for 15 minutes. If irritation, pain, swelling, lacrimation or
photophobia persist, seek medical attention.
SKIN:
Adverse effects are not anticipated following exposure to gas form of ozone.
INGESTION:
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PRODUCT NAME: OZONE
Unlikely as product is a gas.
INHALATION:
IMMEDIATELY REMOVE TO UNCONTAMINATED AREA. Quick removal from the contaminated area is
most important. Monitor for respiratory distress and administer oxygen or artificial respiration as indicated. SEEK
IMMEDIATE MEDICAL ATTENTION.
RESCUE PERSONNEL SHOULD BE EQUIPPED WITH A FULL-FACEPIECE SELF-CONTAINED
BREATHING APPARATUS OPERATED IN POSITIVE PRESSURE MODE.
Note to physicians: Ozone is not found in the blood or serum due to rapid reaction with cellular tissues. One of the
most sensitive measures of ozone exposure is induction of the glutathione peroxidase system.
5. Fire Fighting Measures
Conditions of Flammability: Nonflammable
Flash point: Method: Autoignition
None Not Available Temperature: Not Available
LEL(%): Not Applicable UEL(%): Not Applicable
Hazardous combustion products: None known
Sensitivity to mechanical shock: None
Sensitivity to static discharge: None
FIRE AND EXPLOSION HAZARDS:
OXIDIZER. May accelerate pre-existing fire. May initiate fire/explosion in combustible materials. May react
explosively with alkenes, aromatic compounds, bromine, combustible gases, diethyl ether, hydrogen bromide,
hydrogen iodide, isopropylidene compounds, and other oxidizable materials.
EXTINGUISHING MEDIA:
Any, use media appropriate for surrounding fire.
FIRE FIGHTING INSTRUCTIONS:
Stop the flow of gas which is supporting the fire if it can be done without risk. Continue to cool fire exposed
containers until well after flames have been extinguished. Firefighters should wear a NIOSH/MSHA approved full-
facepiece self-contained breathing apparatus (SCBA) operated in positive pressure mode and full turnout gear.
6. Accidental Release Measures
Evacuate all personnel from affected area. A leak may present a fire/explosion hazard. Eliminate all ignition
sources. Appropriate protective equipment is essential to prevent a toxic exposure. Clean-up personnel should be
aware of the health and fire hazards associated with an ozone leak. REMOVE ALL OXIDIZABLE MATERIALS
FROM CONTAMINATED AREA. If leak is in user's equipment, be certain to purge piping with inert gas prior to
attempting repairs. If leak is in container or container valve, contact the appropriate emergency telephone number
listed in Section 1 or call your nearest BOC location.
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MATERIAL SAFETY DATA SHEET
PRODUCT NAME: OZONE
7. Handling and Storage
Protect cylinders from physical damage. Store in cool, dry, well-ventilated area of non-combustible construction
away from heavily trafficked areas and emergency exits. Do not allow the temperature where cylinders are stored
to exceed 120oF (49oC). Cylinders should be stored upright and firmly secured to prevent falling or being knocked
over. Full and empty cylinders should be segregated. Use a "first in-first out" inventory system to prevent full
cylinders being stored for excessive periods of time. Post "OXIDIZER - NO SMOKING OR OPEN FLAMES"
signs in the storage or use area. Open storage preferred. Isolate from combustible and oxidizable materials. There
should be no sources of ignition in the storage or use area. For additional storage recommendations, consult
Compressed Gas Association's Pamphlet P-1.
Use only in well-ventilated areas. Valve protection caps must remain in place unless container is secured with
valve outlet piped to use point. Do not drag, slide or roll cylinders. Use a suitable hand truck for cylinder
movement. Use a pressure reducing regulator when connecting cylinder to lower pressure (less than 3000 psig)
piping or systems. Do not heat cylinder by any means to increase the discharge rate of product from the cylinder.
Use a check valve or trap in the discharge line to prevent hazardous back flow into the cylinder.
Never carry a compressed gas cylinder or a container of a gas in cryogenic liquid form in an enclosed space such as
a car trunk, van or station wagon. A leak can result in a fire, explosion, asphyxiation or a toxic exposure.
Do not use or store near oxidizable and combustible materials.
Electrical Classification:
No Data
8. Exposure Controls, Personal Protection
1 2
INGREDIENT % VOLUME PEL-OSHA TLV-ACGIH LD50 or LC50
Route/Species
Ozone 100 0.1 ppm 0.1 ppm LC50: 4800 ppb/4 H
FORMULA: O3 (Ceiling) inhalation/rat
CAS: 10028-15-6
RTECS #: RS8225000
1
As stated in 29 CFR 1910, Subpart Z (revised July 1, 1993)
2
Refer to individual state of provincial regulations, as applicable, for limits which may be more stringent than those listed here.
3
As stated in the ACGIH 1996-97 Threshold Limit Values for Chemical Substances and Physical Agents. Ozone is on the "Notice of Intended
Changes" with a TLV of: 0.05 ppm for heavy work; 0.08 ppm for moderate work; and 0.10 ppm for light work.
ENGINEERING CONTROLS:
Hood with forced ventilation for small quantities.
EYE/FACE PROTECTION:
Gas tight goggles, as necessary to prevent irritation.
SKIN PROTECTION:
Protective gloves as required for the job.
RESPIRATORY PROTECTION:
Under normal working conditions, below acceptable exposure guidelines, none required. For ozone concentrations
greater or equal to 5 ppm, a NIOSH/MSHA approved full-facepiece SCBA or full-facepiece supplied-air respirator
may be worn.
OTHER/GENERAL PROTECTION:
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PRODUCT NAME: OZONE
Safety shoes are recommended.
9. Physical and Chemical Properties
PARAMETER VALUE UNITS
Physical state (gas, liquid, solid) : Gas
Vapor pressure at 100 oF : > 1 atm
Vapor density (Air = 1) : 2.144 g/l @ 0 癈 (gas)
Evaporation point : Not Applicable
o
Boiling point : -169 F
o
Freezing point : -315 F
pH : Not Available
Specific gravity @ 70 oF : Not Available
Oil/water partition coefficient : Not Available
Solubility (H20) : 0.001% (@ 32 癋)
Odor threshold : Not Available
Odor and appearance : Colorless to blue gas with very pungent odor
10. Stability and Reactivity
STABILITY:
Stable. Ozone is a strong oxidizer. Oxidation evolves more heat and generally starts at a lower temperature than
oxidation with biatomic oxygen.
INCOMPATIBLE MATERIALS:
ALL OXIDIZABLE MATERIALS. Both organic and inorganic.
HAZARDOUS DECOMPOSITION PRODUCTS:
None known.
HAZARDOUS POLYMERIZATION:
Will not occur.
11. Toxicological Information
Patchy damage of the ciliated cells of the upper airway have been seen in various experimental animals following
exposure to 0.2 to 0.5 ppm ozone for 7 days (8 to 24 H/day).
Human inhalation of 80 ppb/6.6 H ozone resulted in cough, respiratory depression and other changes.
NIOSH considers a 5 ppm concentration of ozone "Immediately Dangerous to Life and Health(IDLH)".
CHRONIC: Immunosuppression has been reported in mice and guinea pigs (but not in humans) exposed to low
levels of ozone. Chronic exposure to ozone has resulted in bronchiolitis and bronchitis in animals exposed daily to
concentrations slightly greater than 1 ppm for 6 hours per day for 1 year.
OTHER: While ozone has had experimental teratogenic, genotoxic, oncogenic, and mutagenic effects, the extreme
reactivity, gaseous nature, and toxicity of ozone present confounding influences in many of these tests. Ozone
concentrations must be carefully regulated to allow detection of mutagenicity in the absence of extreme toxicity and
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MATERIAL SAFETY DATA SHEET
PRODUCT NAME: OZONE
ozone concentrations tend to fluctuate or drop (as ozone is highly labile) over the period of a few hours to produce
ineffective exposures. Due to confounding factors, studies are still inconclusive.
12. Ecological Information
FATE: Formed from reaction between atomic oxygen and molecular oxygen, ozone is the principal oxidizing agent
of photochemical smog.
13. Disposal Considerations
Recycle, reclaim and dispose of in accordance with applicable local, state, and federal regulations. Dispose per 40
CFR Part 261 and 262.
14. Transport Information
PARAMETER United States DOT Canada TDG
Compressed gases, toxic, n.o.s. Compressed gases, toxic, n.o.s.
PROPER SHIPPING NAME:
(Ozone) (Ozone)
2.3 2.3
HAZARD CLASS:
UN 1955 UN 1955
IDENTIFICATION NUMBER:
POISON GAS, OXIDIZER POISON GAS, OXIDIZER
SHIPPING LABEL:
15. Regulatory Information
SARA HAZARD CLASSES:
Sudden Release of Pressure Hazard
Fire Hazard
Acute Health Hazard
Chronic Health Hazard
SARA TITLE III - SECTION 302, EHS:
Ozone is listed as an Extremely Hazardous Substance (EHS) under Section 302 of SARA Title III with a Threshold
Planning Quantity (TPQ) of 100 pounds. The presence of ozone in quantities in excess of the TPQ requires certain
emergency planning activities to be conducted.
SARA TITLE III - SECTION 304, EHS:
Releases of ozone in quantities equal to or greater than the EHS Reportable Quantity (RQ) of 1 pound are subject to
reporting to the National Response Center under Section 304.
SARA TITLE III - SECTION 313 SUPPLIER NOTIFICATION:
Ozone is a toxic chemical subject to the reporting requirements of Section 313 of the Emergency Planning and
Community Right-To-Know Act (EPCRA) of 1986 and of 40 CFR 372. This information must be included on all
MSDSs that are copied and distributed for this material.
16. Other Information
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MATERIAL SAFETY DATA SHEET
PRODUCT NAME: OZONE
Compressed gas cylinders shall not be refilled without the express written permission of the owner. Shipment of a
compressed gas cylinder which has not been filled by the owner or with his/her (written) consent is a
violation of transportation regulations.
DISCLAIMER OF EXPRESSED AND IMPLIED WARRANTIES:
Although reasonable care has been taken in the preparation of this document, we extend no warranties and make no
representations as to the accuracy or completeness of the information contained herein, and assume no
responsibility regarding the suitability of this information for the user's intended purposes or for the consequences
of its use. Each individual should make a determination as to the suitability of the information for their particular
purpose(s).
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