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MSDS Material Safety Data Sheet
CAS

7664-93-9
7732-18-5

File Name: chemtradelogistics_com---sulfuric_acid-english.asp
                                                               MATERIAL SAFETY DATA SHEET

Sulfuric Acid


1. PRODUCT AND COMPANY IDENTIFICATION


Product Name: Sulfuric Acid
Synonyms: Sulphuric Acid, Hydrogen Sulphate, Oil of Vitriol, Battery Acid
Product Use: Used in manufacture of fertilizers, explosives, other acids, metal pickling and petroleum processing.

Chemtrade Logistics Inc.
111 Gordon Baker Road Emergency Telephone Number
Suite 301
Chemtrec 1-800-424-9300
North York, ON
M2H 3R1
Canutec (613) 996-6666
(866) 887-8805
www.chemtradelogistics.com


2. COMPOSITION/INFORMATION ON INGREDIENTS



Hazardous Ingredients % by Wt. CAS Number
Sulfuric Acid 70-100% 7664-93-9
Non-Hazardous Ingredients
Water 0-30% 7732-18-5


3. HAZARD INFORMATION


EMERGENCY OVERVIEW:

Danger! Extremely corrosive. Causes severe burns and eye damage. Mist: Causes respiratory irritation. Harmful if
inhaled. Harmful or fatal if swallowed. Reacts violently with water. Concentrated Sulfuric Acid will react with many
organic materials and may cause fire due to the heat of the reaction. Not flammable, but reacts with most metals to
form explosive/flammable hydrogen gas. Read the entire MSDS for a more thorough evaluation of the hazards.


National Fire Protection Association (NFPA) Rating
Hazardous Materials Identification System (HMIS) Rating


NFPA HMIS 4 = Extreme/Severe
Health 3 3 3 = High/Serious
Fire 0 0 2 = Moderate
Reactivity 2 2 1 = Slight
Special W 0 = Minimum
Personal C W = Water Reactive
Protection




CHEMTRADE LOGISTICS MSDS
Effective Date: May 2007
Supersedes: June 2004 Page 1 of 11
MATERIAL SAFETY DATA SHEET

Sulfuric Acid



3. HAZARD INFORMATION (continued)


Exposure Limits:
ACGIH (TLV) OSHA (PEL) NIOSH (REL)
3 3
1 mg/m3 (TWA)
Sulfuric Acid 1 mg/m (TWA) 1 mg/m (TWA)
3 mg/m3 (STEL)
A2 (Notations) refers to sulfuric
acid contained in strong inorganic
acid mists; suspected human
carcinogen


POTENTIAL HEALTH EFFECTS:

Eye Contact: Immediate pain, severe burns and corneal damage, which may result in permanent blindness.

Skin Contact: Causes burns, and brownish or yellow stains. Concentrated solutions may cause second or third degree
burns with severe necrosis. Prolonged and repeated exposure to dilute solutions may cause irritation, redness, pain and
drying and cracking of the skin.

Inhalation: Causes respiratory irritation and at high concentrations may cause severe injury, burns, or death. Effects of
exposure may be delayed.

Ingestion: Causes severe irritation or burns of the mouth, throat, and esophagus.

Existing Medical Conditions Possibly Aggravated By Exposure: Skin irritation may be aggravated in individuals with
existing skin lesions. Breathing of vapors or sprays (mists) may aggravate acute or chronic asthma and chronic pulmonary
disease such as emphysema and bronchitis.

Carcinogenicity: Strong inorganic acid mists containing sulfuric acid (Occupational exposures) : Proven (Human, Group 1,
IARC) ; Suspected (Human Group A2, ACGIH) ; Group 3 (NTP) ; Classification not applicable to sulfuric acid and sulfuric acid
solutions.




CHEMTRADE LOGISTICS MSDS
Effective Date: May 2007
Supersedes: June 2004 Page 2 of 11
MATERIAL SAFETY DATA SHEET

Sulfuric Acid


4. FIRST AID MEASURES


General: Corrosive effects on the skin and eyes may be delayed, and damage may occur without the sensation or onset
of pain. Strict adherence to first aid measures following any exposure is essential. SPEED IS ESSENTIAL. OBTAIN
IMMEDIATE MEDICAL ATTENTION.

Skin Contact: Immediately flush skin with running water for a minimum of 20 minutes. Start flushing while removing
contaminated clothing. If irritation persists, repeat flushing. Obtain medical attention IMMEDIATELY. Do not transport victim
unless the recommended flushing period is completed or flushing can be continued during transport.

While the patient is being transported to a medical facility, apply compresses of iced water. If medical treatment must be
delayed, immerse the affected area in iced water. If immersion is not practical, compresses of iced water can be applied.
Avoid freezing tissues.

Discard heavily contaminated clothing and shoes in a manner that limits further exposure. Otherwise, wash clothing
separately before reuse.

Eye Contact: Immediately flush eyes with running water for a minimum of 20 minutes. Hold eyelids open during flushing. If
irritation persists, repeat flushing. Obtain medical attention IMMEDIATELY. Do not transport victim until the recommended
flushing period is completed unless flushing can be continued during transport.

Inhalation: Move victim to fresh air. Give artificial respiration ONLY if breathing has stopped. Do not use mouth-to-mouth
method if victim ingested or inhaled the substance: induce artificial respiration with the aid of a pocket mask equipped with a
one-way valve or other proper respiratory medical device. Give Cardiopulmonary Resuscitation (CPR) if there is no pulse
AND no breathing. Obtain medical attention IMMEDIATELY.

Ingestion: DO NOT INDUCE VOMITING. If victim is alert and not convulsing, rinse mouth and give 陆 to 1 glass of water to
dilute material. If spontaneous vomiting occurs, have victim lean forward with head down to avoid breathing in of vomitus,
rinse mouth and administer more water. IMMEDIATELY contact local poison control center. Vomiting may need to be induced
but should be directed by a physician or a poison control centre. IMMEDIATELY transport victim to an emergency facility.

Note to Physicians: This product contains materials that may cause severe pneumonitis if aspirated. If ingestion has
occurred less than 2 hours earlier, carry out careful gastric lavage; use endotracheal cuff if available, to prevent
aspiration. Observe patient for respiratory difficulty from aspiration pneumonitis. Give artificial resuscitation and
appropriate chemotherapy if respiration is depressed. Following exposure the patient should be kept under medical
review for at least 48 hours as delayed pneumonitis may occur. DO NOT attempt to neutralize the acid with weak bases
since the reaction will produce heat that may extend the corrosive injury




CHEMTRADE LOGISTICS MSDS
Effective Date: May 2007
Supersedes: June 2004 Page 3 of 11
MATERIAL SAFETY DATA SHEET

Sulfuric Acid


5. FIRE AND EXPLOSION DATA


Flash Point (method): Not applicable. Not combustible
Flammable Limits (Lower): Not applicable.
Flammable Limits (Upper): Not applicable.
Auto Ignition Temperature: Not applicable.
Combustion and Thermal Decomposition Products: Oxides of Sulfur

Fire and Explosion Hazards: Not flammable but highly reactive. Strong dehydrating agent, which may cause ignition of
finely divided combustible materials on contact. Reacts violently with water with evolution of heat can react with organic
materials explosively (See Section 10). Reacts with many metals to liberate hydrogen gas which can form explosive
mixtures with air. Hydrogen, a highly flammable gas, can accumulate to explosive concentrations inside drums, or any
types of steel containers or tanks upon storage. Oxides of sulfur may be produced in fire.

Fire Fighting Instructions: Wear a NIOSH/MSHA approved self-contained breathing apparatus if vapors or mists are
present and full protective clothing. For fighting fires in close proximity to spill or vapors, use acid-resistant personal protective
equipment. Evacuate personnel to a safe area. Prevent unauthorized entry to fire area. Dike area to contain runoff and
prevent contamination of water sources. Neutralize runoff with lime, soda ash or other suitable neutralizing agents (see
Deactivating Chemicals, Section 6). Cool containers that are exposed to flame with streams of water until fire is out.

NOTE: Also see "Section 10 - Stability and Reactivity"


6. ACCIDENTAL RELEASE MEASURES


Steps to be taken in the event of a spill or leak: Remove all ignition sources (no smoking, flares, sparks or flames). All
equipment should be grounded. Ventilate area. Use appropriate Personal Protection Equipment. Prevent liquid from entering
sewers or waterways. Stop or reduce leak if safe to do so.
Small Spills: Cover with DRY earth, sand or other non-combustible material. Use clean non-sparking tools to collect
material and place it into loosely covered plastic containers for later disposal.
Large Spills: Prevent liquid from entering sewers or waterways. Dike with inert material (sand, earth, etc.). Collect into plastic
containers for disposal. Consider insitu neutralization and disposal. Ensure adequate decontamination of tools and equipment
following clean up. Comply with Federal, Provincial/State and local regulations on reporting releases.

Waste Disposal Methods: Dispose of waste material at an approved waste treatment/disposal facility, in accordance with
applicable regulations. Do not dispose of waste with normal garbage or to sewer systems.

Note - Clean-up material may be a RCRA Hazardous Waste on disposal.
- Spills are subject to CERCLA reporting requirements: RQ = 1000 lbs.




CHEMTRADE LOGISTICS MSDS
Effective Date: May 2007
Supersedes: June 2004 Page 4 of 11
MATERIAL SAFETY DATA SHEET

Sulfuric Acid


7. HANDLING AND STORAGE


Handling: Wear appropriate Personal Protection Equipment. Do not breathe sprays or mists. Do not ingest. Do not get in
eyes, on skin or on clothing. Keep ignition sources away from sulfuric acid storage, handling and transportation equipment.
Locate safety shower and eyewash station close to chemical handling area. Use EXTREME care when diluting with
water. Always add acid to water. CAUTION: Hydrogen, a highly flammable gas, can accumulate to explosive
concentrations inside drums, or any types of steel containers or tanks upon storage. Carbon steel storage tanks must
be vented. People working with this chemical should be properly trained regarding its hazards and its safe use.

Storage: If stored in non-reactive container, keep container tightly closed. Metal and, specifically carbon steel, storage tanks
must be vented due to hydrogen release as noted above.


8. EXPOSURE CONTROLS/PERSONAL PROTECTION


Engineering Controls: Local exhaust ventilation should be applied wherever there is an incidence of point source
emissions or dispersion of regulated contaminants in the work area. Ventilation control of the contaminant as close to its
point of generation is both the most economical and safest method to minimize personnel exposure to airborne
contaminants. The most effective measures are the total enclosure of processes and the mechanization of handling
procedures to prevent all personal contact with sulfuric acid. Electrical installations should be protected against the
corrosive action of acid vapors. Smoking should be prohibited in areas in which sulfuric acid is stored or handled.

Respiratory Protection: A NIOSH/MSHA approved air-purifying respirator equipped with acid gas/fume, dust, mist
cartridges for concentrations up to 10 mg/m3. An air-supplied respirator if concentrations are higher or unknown.

Skin Protection: RECOMMENDED: Impervious (i.e., neoprene, PVC) gloves, coveralls, boots and/or other acid resistant
protective clothing.

Eye Protection: Tight-fitting chemical goggles and face shield.

Other Personal Protective Equipment: Where there is a danger of spilling or splashing, acid resistant aprons or suits
should be worn. Trouser legs should be worn outside (not tucked in) rubber boots. Safety showers and eyewash fountains
should be installed in storage and handling areas.

Pictograms




EXPOSURE GUIDELINES:

HAZARDOUS INGREDIENT(S):

Sulfuric Acid:
1 mg/m3 (TWA) 8 hours
ACGIH TLV
3 mg/m3 15 minutes
ACGIH STEL
1 mg/m3 (TWA) 8 hours
OSHA PEL
1 mg/m3 (TWA) 10 hours
NIOSH REL



CHEMTRADE LOGISTICS MSDS
Effective Date: May 2007
Supersedes: June 2004 Page 5 of 11
MATERIAL SAFETY DATA SHEET

Sulfuric Acid



9. PHYSICAL AND CHEMICAL PROPERTIES


Molecular Weight: 98.08
Physical State: Liquid
Appearance and Odor: Odourless, clear to amber, heavy, oily liquid. A pungent odor may exist If certain impurities are
present in the acid.
Odor Threshold: Not applicable
Boiling Point: 77.67%: 193掳C (380掳F); 93.19%: 276掳C (529掳F); 98%: 330掳C (626掳F)
Melting/Freezing Point: 77.67%: -11.2掳C (+11.6掳F); 93.19%: -29.5掳C (-21.1掳F) ; 98%: -1.1掳C (30掳F)
Vapor Pressure at 40掳C (102掳F): 77.67%: 1.2 mmHg; 93.19%: 0.0016 mmHg; 98%: 0.002 mmHg
Specific Gravity at 15掳C (60掳F): 77.67%: 1.7059; 93.19%: 1.8354; 98%: 1.8437
Vapor Density: (Air=1): 3.4 sulfuric acid component
Bulk Density: Not applicable (see specific gravity)
Evaporation Rate: Not applicable
Solubility: Miscible in all proportions in water.
pH: 0.3 (1N solution at 25掳C/78掳F)


10. STABILITY AND REACTIVITY


Stability: The product is stable under normal conditions.

Conditions to Avoid: Keep away from heat and sources of ignition. Avoid temperatures, which may have a negative effect
on the materials of construction used in equipment.

Materials to Avoid: Contact with organic materials (such as alcohol, acrylonitrile, chlorates, carbides, epichlorohydrin,
fulminates, isoprene, nitrates and picrates) may cause fire and explosions. Contact with metals may produce flammable
hydrogen gas. When diluting, add acid to water. Do NOT add water to the acid.

Hazardous Decomposition or Combustion Products: Toxic gases and vapors (e.g. sulfur dioxide, sulfuric acid
vapors/mists and sulfur trioxide) may be released when sulfuric acid decomposes.

Hazardous Polymerization: Will not occur

Corrosivity: The product is corrosive.




CHEMTRADE LOGISTICS MSDS
Effective Date: May 2007
Supersedes: June 2004 Page 6 of 11
MATERIAL SAFETY DATA SHEET

Sulfuric Acid




11. TOXICOLOGICAL INFORMATION


LD50 (oral, rat) = 2140 mg/kg
Toxicological Data:
LC50 (inhalation, rat) = 510 mg/m3 for 2 hrs
Skin effects (rabbit): Severe irritation
Eye effects (rabbit): Severe irritation

Carcinogenicity Data: The International Agency for Research on Cancer (IARC) has concluded that occupational
exposure to strong inorganic acid mists containing sulfuric acid is carcinogenic to man, causing cancer of the larynx (the
voice box). Although no direct link has been established between exposure to sulfuric acid, itself, and cancer in man,
exposure to any mist or aerosol during the use of this product should be avoided See Section 3. Hazard Information,
regarding Potential Health Effects (Long Term Exposure) for further discussion.

The National Toxicology Program (NTP) does not classify sulfuric acid or strong inorganic acid mists as known (or reasonably
anticipated to be) human carcinogens.

Reproductive Effects: Slightly embryotoxic in rabbits (a minor, rare skeletal variation). The animals were exposed to 5 and
20 mg/m3 for 7 hrs/day throughout pregnancy. Slight maternal toxicity was present at the highest dose in both species.

Mutagenicity Data: Cytogenic analysis (hamster) ovaries 4 mmol/L

Teratogenicity Data: Not teratogenic in mice and rabbits.

Synergistic Materials: None known


12. ECOLOGICAL INFORMATION


Ecotoxic Effects: Harmful to aquatic life in very low concentrations. May be dangerous if it enters water intake; Fish toxicity;
2.8 渭g/L 96 hrs LC50 Rainbow trout.

Products of Degradation: These products are sulphur oxides (SO2, SO3)

Toxicity of the Products of Degradation: The products of degradation are more toxic than the original product.


13. DISPOSAL CONSIDERATIONS


Waste Disposal: Cleaned up material may be a hazardous waste as defined by Resource Conservation and Recovery
Act (RCRA) on disposal due to the corrosivity characteristic. DO NOT flush to surface water or sanitary sewer system.
Waste must be disposed of in accordance with federal, state, provincial and local environmental control regulations.




CHEMTRADE LOGISTICS MSDS
Effective Date: May 2007
Supersedes: June 2004 Page 7 of 11
MATERIAL SAFETY DATA SHEET

Sulfuric Acid




14. TRANSPORT INFORMATION


U.S. (Under DOT) Canada (Under TDG)

Shipping Name: Sulfuric acid Shipping Name: Sulfuric acid
Hazard Class or Division: 8 Classification(s): Class 8
Identification No.: UN1830 Product Identification No. (PIN): UN1830
Packing Group: II Packing Group: II
Reportable Quantity = 1000 pounds (454 kg) Regulated Limit: 50 kg
IMO: 8
IATA/ICAO Class: 8

ER Guide: 137



15. REGULATORY INFORMATION


U.S.A.

SARA Title III HAZARD CATEGORIES AND LISTS

Product Hazard Categories Lists
Acute (Immediate) Health: Yes Extremely Hazardous Substance Yes
Chronic (Delayed) Health: Yes (40 CFR 355, SARA Title III Section 302)
Fire: No CERCLA Hazardous Substance Yes
Reactivity: Yes (40 CFR 302.4)
Sudden Release of Pressure: No Toxic Chemical Yes
(40 CFR 372.65, SARA Title III Section 313)

Reportable Quantity (RQ) under U.S. EPA CERCLA: RQ=1000 lb / 454 kg

Reported/Included
TSCA Inventory Status:

Illinois, Massachusetts, New Jersey, Pennsylvania
Right-To-Know:

Other Regulations/Legislation which apply to this product: New Jersey Special Health Hazard Substance List
and Environmental Hazardous Substance; Minnesota, Florida, Rhode Island Hazardous Substance ; California
Director's List of Hazardous Substances; Massachusetts Extraordinarily Hazardous Substance List




CHEMTRADE LOGISTICS MSDS
Effective Date: May 2007
Supersedes: June 2004 Page 8 of 11
MATERIAL SAFETY DATA SHEET

Sulfuric Acid



15. REGULATORY INFORMATION (continued)



CANADA

Workplace Hazardous Materials Information System (WHMIS)

Class D1A - Very Toxic
WHMIS Classification(s):
Class D2B 鈥? Suspected Human Carcinogen
Class E - Corrosive

Acute Lethality - very toxic 鈥? immediate
WHMIS Health Effects Index:
Materials Causing Other Toxic Effects- Chronic
Corrosive to animal skin


WHMIS Ingredient Disclosure List: Confirmed A; Meets criteria for disclosure at 1% or greater.

National Pollutant Release Inventory (NPRI): Included

European:

EEC CLASSIFICATION: C, R 35
EINECS: 231-639-5




CHEMTRADE LOGISTICS MSDS
Effective Date: May 2007
Supersedes: June 2004 Page 9 of 11
MATERIAL SAFETY DATA SHEET

Sulfuric Acid



16. OTHER INFORMATION



REFERENCES:

1. RTECS-Registry of Toxic Effects of Chemical Substances, On-line search, Canadian Centre for
OccupationalHealth and Safety RTECS database, Doris V. Sweet, Ed., National Institute for Occupational Safety
and Health, U.S. Dept. of Health and Human Services, Cincinnati, Entry Update/Dec1997.

2. ChemAdvisor, Canadian Centre for Occupational Health and Safety, October 1998.

3. CHEMINFO, through "CCINFOdisc", Canadian Centre for Occupational Health and Safety, Hamilton,
Ontario, Canada, (August, 1998).

4. Hazardous Substances Data Bank , through 鈥淐CINFO disc鈥?, Canadian Centre for Occupational Health and
Safety, Hamilton, Ontario, Canada, (2007).

5. NIOSH POCKET GUIDE TO CHEMICAL HAZARDS, U.S. Department of Health and Human Services,
National Institute for Occupational Safety and Health, 2006.

鈥?8th Report on Carcinogens 鈥? 1998 Summary鈥?, National Toxicology Program.
6.

Sax, N.I., 鈥淒angerous Properties of Industrial Materials鈥?, 7th Edition, 1989.
7.

8. 鈥?2006 Threshold Limit Values and Biological Exposure Indices鈥?, American Conference of Government
Industrial Hygienists, 2006.

Merck, 12th Edition, 1999.
9.

10. Supplier's Material Safety Data Sheets.




CHEMTRADE LOGISTICS MSDS
Effective Date: May 2007
Supersedes: June 2004 Page 10 of 11
MATERIAL SAFETY DATA SHEET

Sulfuric Acid




16. OTHER INFORMATION (continued)


Legend:

AFFF - Aqueous Film Forming Foam
CAS # - Chemical Abstracts Service Registry Number
CERCLA - Comprehensive Environmental Response, Compensation, and Liability Act
CFR - Code of Federal Regulations
DOT - Department of Transportation
EPA - Environmental Protection Agency
LC50 - The concentration of material in air expected to kill 50% of a group of test animals
LD50 - Lethal Dose expected to kill 50% of a group of test animals
LEL - Lower Explosive Limit
MSHA - Mine Safety and Health Administration
NIOSH - National Institute for Occupational Safety and Health
PEL - Permissible Exposure Limit
PVC - Polyvinyl chloride
RCRA - Resource Conservation and Recovery Act
SARA - Superfund Amendments and Reauthorization Act of the U.S. EPA
STEL - Short Term Exposure Limit
TC - Transport Canada
TDG - Transportation of Dangerous Goods Act/Regulations
TLV - Threshold Limit Value
TSCA - Toxic Substances Control Act
TWA - Time-Weighted Average
UEL - Upper Explosive Limit




The information contained herein has been prepared by CHEMTRADE LOGISTICS Inc. and is offered only as a guide to the
handling of this specific material and has been prepared in good faith by technically knowledgeable personnel. It is not
intended to be all-inclusive and the manner and conditions of use and handling may involve other and additional
considerations. No warranty of any kind is given or implied and CHEMTRADE LOGISTICS Inc. will not be liable for any
damages, losses, injuries or consequential damages that may result from the use or reliance of any information contained
herein. Chemtrade is a member of the CCPA and adheres to the codes of Responsible Care.




Prepared by Chemtrade Logistics Inc.




CHEMTRADE LOGISTICS MSDS
Effective Date: May 2007
Supersedes: June 2004 Page 11 of 11

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