|
|
Sample
of a MSDS Sheet
| Section
I. Chemical Product and Company Identification |
| PRODUCT NAME/
TRADE NAME |
ANHYDROUS
AMMONIA |
| SYNONYM |
Anhydrous
ammonia |
MSDS NUMBER:
14002 |
| CHEMICAL NAME |
Ammonia |
REVISION NUMBER
2.0 |
| CHEMICAL FAMILY |
Alkali |
MSDS DATE
02/16/2001. |
| CHEMICAL FORMULA |
Nh3 |
|
| MATERIAL USES |
Industrial applications:
Manufacture of chemicals.
Manufacture of synthetic
fibers. Refrigerant. Cleaning solutions. Metals
refining. Fertilizer manufacturing.
|
| DSL |
On the DSL
list. |
| MANUFACTURER |
Manufacture's
name goes here. |
SUPPLIER |
ADDRESS GOES
HERE |
|
Section II. Hazardous
Ingredients
|
|
|
Exposure Limits
|
| NAME |
CAS
# |
Osha PEL
|
Osha
PEL
Calf
|
IDLH |
STEL
|
TWA
|
|
% by
Weight
|
|
Ammonia
|
7664-41-7 |
50 ppm
|
25
ppm |
300
ppm
|
35
ppm |
25 ppm
|
varius
|
|
TOXICOLOGICAL DATA ON INGREDIENTS
|
Anhydrous Ammonia:
ORAL (LD50): Acute: 3500
mg/kg (Rat.).
GAS (LC50): Acute: 5040
ppm (Mouse.) (1 hour(s)). 7650 ppm (Rat) (1 hour(s)).
|
|
Section III. Hazards
Identification
|
|
POTENTIAL ACUTE HEALTH EFFECTS
|
Anhydrous ammonia gas or
liquid is very corrosive to body tissues, reacting with
body moisture on contact.
The odour threshold for
ammonia is on average 17 PPM although the range of
sensitivity ranges from 0.7 PPM to 50 PPM for
acclimatized individuals. Generally, concentrations of
up to 25 PPM are tolerated although unpleasant and
pungent. Above this concentration, irritation of the
eyes, nose and throat may begin. The extent of
irritation increases with increasing ammonia
concentration.
Eye and throat irritation
is more pronounced between 100 and 400 PPM. Above 400
PPM, skin irritation is noticeable and immediate throat
irritation and coughing will result. NIOSH has
established 500 PPM as the concentration immediately
dangerous to life and health (IDLH), which is defined as
the concentration above which self-rescue may be
difficult or impossible due to physiological effects. At
concentrations between 1000 and 2500 PPM increasing
chest tightness, brochospasm and severe eye and skin
irritation will result. Delayed effects such as chemical
pneumonitis and pulmonary edema may develop several
hours after exposure. At concentrations above 2500 PPM,
laryngeal spasm may occur resulting in rapid asphyxia.
Effects may be more pronounced at lower concentrations
in children, the elderly, and persons with impaired lung
function.
Eyes:
Eye irritant. May cause severe eye irritation with
corneal injury and permanent vision impairment.
Skin:
Skin irritant. Contact may
cause severe skin irritation, chemical burns, and
blistering. Contact with vaporizing liquid may cause
frostbite due to rapid evaporative cooling. Cooling
effect may mask the extent of corrosive injury received.
Inhalation:
Irritating to entire
respiratory tract. Excessive overexposure may cause
severe irritation to the upper respiratory tract and
potential lung damage.
Ingestion:
Ingestion is not likely
route of exposure due to the physical state of the
substance (a compressed, liquefied gas).
|
| POTENTIAL
CHRONIC HEALTH EFFECTS |
CARCINOGENIC
EFFECTS: NONE by
ACGIH, EPA, IARC, OSHA. MUTAGENIC EFFECTS: NONE
by ACGIH, EPA, IARC, OSHA. TERATOGENIC EFFECTS: NONE
by ACGIH, EPA, IARC, OSHA. The substance is
harmful to the lungs and mucous membranes. Repeated or
prolonged exposure to the substance can produce target
organ damage. |
| Section
IV. First Aid Measures |
| EYE CONTACT |
IMMEDIATELY
FLUSH EYES WITH WATER for at least 15-30 minutes,
keeping eyelids open. SEND FOR MEDICAL ATTENTION
IMMEDIATELY. |
| MINOR SKIN CONTACT |
Dermal contact
may freeze tissue and cause severe skin irritation.
FLUSH IMMEDIATELY WITH RUNNING WATER FOR AT LEAST 30
MINUTES. SEEK MEDICAL ATTENTION. |
| EXTENSIVE SKIN CONTACT |
No additional
information. |
| MINOR INHALATION |
Loosen tight
clothing. Allow the victim to rest in a well ventilated
area. Give artificial respiration if breathing has
stopped. Get immediate medical attention. |
| SEVERE INHALATION |
If gases or
vapours are present, rescuers must WEAR SELF-CONTAINED
BREATHING APPARATUS and an impervious suit or full
bunker gear. Evacuate the victim to a safe area as soon
as possible. Loosen tight clothing around the victim’s
neck and waist. If the victim is not breathing, perform
artificial respiration. If breathing is difficult,
administer oxygen. Maintain an open airway. Seek
immediate medical attention. Observation may be
warranted. Pulmonary
edema may occur several hours after exposure. |
| SLIGHT INGESTION |
Product
is a liquified compressed gas. If liquid anhydrous
ammonia has entered the mouth and throat, roll victim
onto stomach and begin artificial respiration. Continue
until victim is breathing.
Seek immediate medical attention.
|
| EXTENSIVE INGESTION |
No additional
information |
| Section
V. Fire and Explosion Data |
| THE PRODUCT IS |
Combustible. |
| AUTO-IGNITION TEMPERATURE |
651.1ºC (1204ºF) |
| FLASH POINT |
Not
applicable. Material exists as a gas unless confined
under pressure. |
| FLAMMABILITY
LIMITS |
LOWER: 16%
UPPER: 25%
|
| PRODUCTS OF COMBUSTION |
Nitrogen
oxides (NO, NO2…). |
| FIRE HAZARD IN
PRESENCE OF VARIOUS SUBSTANCES |
Slightly
flammable in the presence of open flames and sparks.
Narrow lower to upper flammability limits (16-25%) makes
ignition difficult. |
| EXPLOSION
HAZARD IN PRESENCE OF VARIOUS SUBSTANCES |
Slightly
explosive in presence of reducing materials (hypochlorites
or other halogenated compounds). Non-explosive in
presence of open flames and sparks, of shocks, of heat,
of oxidizing materials, of combustible materials, of
organic materials, of metals, of acids, of alkalis, of
moisture. |
| FIRE FIGHTING
MEDIA AND INSTRUCTIONS |
Corrosive gas. Fire
fighters should wear SELF-CONTAINED BREATHING APPARATUS
and full bunker gear. Cool containing vessels with water
jet in order to prevent pressure build-up, autoignition
or explosion. Move containing vessels from fire if
without risk. If anhydrous ammonia catches fire, stop
flow of gas or liquid if it may be done safely. Use
water spray or fog to extinguish flames and suppress
vapors. Contain run-off water.
|
| SPECIAL REMARKS ON FIRE
HAZARDS |
When heated to
decomposition it emits toxic fumes. Hazardous Combustion
Products:
Nitrogen oxides. |
| SPECIAL REMARKS ON
EXPLOSION HAZARDS |
Explosive when
mixed with chlorinated materials such as hypochlorites.
Forms nitrogen trichloride which explodes spontaneously
in air. Reacts similarly with other halogenated
materials. |
| Section
VI. Accidental Release Measures |
| SMALL SPILL |
Warn personnel
to move away. Keep unprotected personnel upwind of spill
area. DO NOT APPROACH LIQUID OR VAPOR CLOUD WITHOUT
ENCAPSULATING SUIT AND SCBA. If possible to do so
without hazard, isolate leak by shutting off supply of
ammonia from containing vessel. Use water fog to
suppress airborne vapors from leak or spill. DO NOT
DIRECT WATER INTO SPILED LIQUID! ANHYDROUS AMMONIA WILL
AUTOREFRIGERATE REDUCING VAPOR RELEASE. ADDITION OF
WATER WILL WARM CRYOGENIC LIQUID RESULTING IN GREATER
GASIFICATION. Contain run-off water for later recovery
and treatment. Call emergency number on this MSDS sheet
for assistance. |
| LARGE SPILL |
Corrosive gas. Material
will autorefrigerate under accidental release presenting
a cold dense heavier than air vapour cloud or fog. Warn
personnel to move away. Keep unprotected personnel
upwind of spill area. Evacuate any unprotected personnel
who are downwind of spills. Consider an exclusion zone
of 1500 metres around incident area. Incident Commander
may adjust size of exclusion zone based on the
circumstances of the emergency and analysis of the
threat presented by the release. See Exposure Limits
Section for Evacuation Guidelines.
Community Emergency
Response Instructions:
- Stay indoors (unless
evacuation has been called)
- Close all windows and
doors
- Shut off furnace,
exhaust fans, and air conditioners
- Wait for and follow
advice from local police or authorities
- If smell is very
strong, breath through a wet cloth
Eliminate all sources of
ignition. DO NOT APPROACH LIQUID OR VAPOR CLOUD WITHOUT
ENCAPSULATING SUIT AND SCBA. If possible, and personnel
are protected by appropriate personal protective
equipment, turn leaking container so that gas escapes
rather than liquid, or isolate leak by shutting off
supply of ammonia from containing vessel. If possible,
apply patch or otherwise restrict size of leak. Use
water fog to suppress airborne vapors from leak or
spill. DO NOT DIRECT WATER INTO SPILLED LIQUID!
ANHYDROUS AMMONIA WILL AUTOREFRIGERATE REDUCING VAPOR
RELEASE. ADDITION OF WATER WILL WARM CRYOGENIC LIQUID
RESULTING IN GREATER GASIFICATION. Contain run-off water
for later recovery and treatment. Call Emergency Number
on this MSDS sheet for assistance.
|
|
Section VII. Handling and
Storage
|
|
PRECAUTIONS
|
Keep ammonia handling
facilities locked. Keep storage vessels away from direct
heat. Ground all equipment. Keep away from incompatible
materials such as oxidizing agents, reducing agents,
metals, and acids. Keep children away from ammonia
storage and handling equipment.
|
|
STORAGE
|
Keep away from
combustible materials, heat and incompatible materials,
especially dry or liquid bleach. Ensure facilities are
well maintained and emergency response and first aid
equipment is readily available. Always ensure there is s
a nearby source of water for first aid purposes and
spill response. Facilities storing or handling ammonia
should be equipped with an eyewash and safety shower.
|
|
Section VIII. Exposure
Controls/Personal Protection
|
|
ENGINEERING CONTROLS
|
Workers must be trained
in the safe handling and use of ammonia. Adequate, well
engineered systems must be provided for storage,
transfer and use. Process block valves, equipment
enclosures and other isolation facilities may be
necessary. Provide adequate general or local exhaust
systems to maintain concentrations within exposure
guidelines.
|
|
PERSONAL PROTECTION
|
The selection of personal
protective equipment varies, depending upon conditions
of use.
Respiratory Protection:
Use a NIOSH approved
chemical cartridge respirator with full facepiece for
ammonia concentrations up to 300 PPM. Use a positive
pressure (pressure demand) SCBA for concentrations above
300 PPM, for emergency response, or for entry into
unknown concentrations.
Eye Protection:
Contact lenses should not be
worn when handling anhydrous ammonia. Use chemical
goggles and a face shield or full facepiece air
purifying or air supplied respirator.
Skin Proection:
Where chemical contact is
unlikely, wear butyl rubber, nitrile, or polyvinyl
chloride boots, gloves, rain jacket and pants.
|
|
PERSONAL PROTECTION IN CASE OF LARGE
RELEASE
|
Under emergency
conditions, where contact with liquid anhydrous ammonia
or high concentration gas is probable, chemically
resistant, gastight totally encapsulating suits with 60
minute positive pressure SCBA are required.
|
|
EXPOSURE LIMITS
|
TLV-TWA 25 ppm from ACGIH.
Consult local authorities for acceptable exposure
limits.
AIHA Emergency Response
Planning Guidelines:
- ERPG-1: <25 PPM for
1 hour. Objectionable odor.
- ERPG-2: 25-200 PPM for
1 hour. Strong objectionable odor, some eye, nose
and throat irritation.
- ERPG-3: 200-1000 PPM
for 1 hour. Severe eye and respiratory irritation,
without development of life threatening health
effects.
National Academy of
Sciences 1987 Emergency Exposure Guidance Levels:
Up to 24 hour continuous exposure: 100 PPM
|
|
Section IX. Physical and
Chemical Properties
|
|
PHYSICAL STATE AND APPEARANCE
|
Colorless cryogenic
liquid or gas.
|
|
MOLECULAR WEIGHT
|
17.03
|
COLOR
|
Colorless.
|
|
pH (10%SOLN/WATER)
|
12
|
ODOR
|
Ammoniacal. (Strong.)
|
|
BOILING POINT
|
-33.35ºC (-28ºF)
|
ODOR
THRESHOLD
|
|
|
MELTING POINT
|
-77.7ºC (-107.9ºF)
|
TASTE
|
Burning. (Strong.)
|
|
CRITICAL TEMPERATURE
|
Not applicable.
|
IONICITY (in
Water)
|
Not available.
|
|
SPECIFIC GRAVITY g/cc
|
0.63 (Water = 1)
|
SOLUBILITY
|
Easily soluble in cold
water. Soluble in hot water. Partially soluble in
methanol. Very slightly soluble in diethyl ether, n-octanol,
acetone.
|
|
BULK DENSITY kg/m3
|
|
DISPERSION
PROPERTIES
|
See solubility in water,
methanol.
|
|
VAPOR PRESSURE
|
6610mm of Hg (@ 20ºC)
|
WATER/OIL DIST.
COEFF.
|
Between 50 and 5000.
|
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VAPOR DENSITY
|
0.6 (Air = 1)
|
|
VOLATILITY
|
100% (w/w).
|
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Section X. Stability and
Reactivity Data
|
|
STABILITY
|
The product is stable.
|
INSTABILITY
TEMPERATURE |
Not applicable.
|
|
CONDITION OF
INSTABILITY
|
No additional remark.
|
|
INCOMPATABILITY WITH VARIOUS
SUBSTANCES
|
Extremely reactive or
incompatible with acids. Highly reactive with oxidizing
agents and reducing agents. Do not use copper, brass,
bronze, or galvanized steel in contact with ammonia. Do
not use brazed joints in ammonia service. Forms
explosive compounds with many heavy metals such as
mercury or silver. Reacts explosively with chlorine,
hypochlorites (such as bleach or dry chlorinating
chemicals) and other halogens (bromine, iodine,
fluorine).
|
|
CORROSIVITY
|
Highly corrosive in
presence of copper and its alloys. Slightly corrosive to
corrosive in presence of aluminum and zinc. Very
slightly corrosive in presence of mild steel. Non-
corrosive in presence of glass, or stainless steel (304
or 316).
|
|
SPECIAL REMARKS ON REACTIVITY
|
Incompatible with
halogens, aluminum, copper, brass and zinc. Incompatible
with strong acids.
|
| SPECIAL
REMARKS ON CORROSIVITY |
Corrosive to brass.
Incompatible with copper alloys (stress cracking). Will
corrode a wide variety of metals.
|
|
Section XI. Toxicological
Information
|
|
ROUTES OF ENTRY
|
Inhalation. Eye contact.
Skin contact.
|
|
TOXICITY TO ANIMALS
|
Acute oral toxicity
(LD50): 350 mg/kg (Rat).
Acute toxicity of the gas (LC50): 2520 ppm (Mouse.).
|
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SPECIAL REMARKS ON
TOXICITY TO ANIMALS
|
Hazardous for humans or
animal life. Corrosive to skin and eyes on contact.
Severe over- exposure can produce lung damage, choking,
unconsciousness or death. May cause severe eye
irritation.
|
|
OTHER EFFECTS ON
HUMANS
|
Slightly dangerous to
very dangerous in case of skin contact, of eye contact,
of inhalation. Material may be irritating or corrosive.
|
|
SPECIAL REMARKS ON
CHRONIC EFECTS ON
HUMANS
|
Exposure can cause
coughing, chest pains, difficulty in breathing. Repeated
significant overexposure can cause permanent lung
function damage, edema and chemical pneumonitis. May
cause serious damage to the eyes.
|
|
SPECIAL REMARKS ON
OTHER EFFECTS ON
HUMANS
|
No additional remark.
|
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Section XII. Ecological
Information
|
|
ECOTOXICITY
|
Hazardous for humans or
animal life. Ammonia is a toxic hazard to fish. In low
concentrations in water and soil, ammonia acts as a
fertilizer to promote plant growth. Under aerobic
conditions ammonia will oxidize to nitrate and does not
accumulate in the environment. Sub-lethal concentrations
in water can have adverse physiological effects on
marine species. Free ammonia concentrations of 2.5 mg
per litre at pH 7.4 to 8.5 are considered harmful to
marine life. In water, free NH3 is considered to be the
primary toxic form while the much more prevalent NH4OH
form is much less harmful.
|
|
BOD and COD
|
Not available.
|
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PRODUCTS OF BIODEGRADATION
|
Nitrogen oxides (NO,
NO2…), nitrates.
|
|
TOXICITY OF THE PRODUCTS OF
BIODEGRADATION
|
The products of
biodegradation are less toxic than the original product.
|
|
SPECIAL REMARKS ON
THE PRODUCTS OF BIODEGRADATION
|
Product may degrade water
quality and taste. Notify downstream water users. Will
dissolve and disperse in water.
|
|
Section XIII. Disposal
Considerations
|
|
WASTE DISPOSAL OR
RECYCLING
|
Call for assistance on
treatment and disposal.
|
|
Section XIV. Transport
Information
|
|
TDG CLASSIFICATION
|
TDG CLASS 2.4: Corrosive
gas.
TDG CLASS 9.2: Environmentally hazardous material.
|
|
PIN
|
PIN: UN1005 PG: X
|
|
SPECIAL PROVISIONS FOR
TRANSPORT
|
Not acceptable for
transport as a consumer commodity, or as a limited
quantity. Not acceptable for transport in public
passenger rail vehicles or by passenger ship. Transport
by passenger aircraft must comply with ICAO Special
Provision A1.
Transportation of
anhydrous ammonia into the United States from Canada is
regulated by 49CFR Part 171.12a which states:
(b): "…a hazardous material that is classed,
marked, labelled, placarded, described on a shipping
paper, and packaged in accordance with the
Transportation of Dangerous Goods (TDG) Regulations
issued by the Government of Canada may be offered for
transportation and transported to or through the United
States by motor vehicle or rail car."
(b)(5)(iii): Except for a package containing anhydrous
ammonia, the package must be labelled and placarded with
"POISON" or "POISON GAS", as
appropriate,… For shipments of anhydrous ammonia, the
shipping paper must contain an indication that the
markings, labels, and placards have been applied in
conformance with the TDG regulations and this paragraph
(b)(5).
|
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TDG (Pictograms)

|
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Section XV. Other Regulatory
Information and Pictograms
|
|
OTHER REGULATIONS
|
OSHA: Hazardous by
definition of Hazard Communication Standard (29 CFR
1910.1200).
CANADIAN ENVIRONMENTAL PROTECTION ACT (CEPA): This
product is on the Domestic Substances List (DSL) and is
acceptable for use under the provisions of CEPA.
|
|
OTHER
CLASSIFICATIONS
|
HCS (U.S.A)
HCS CLASS: Toxic.
|
|
DSCL (EEC) 37 — Irritating to
respiratory system.
42 — May cause sensitization by
inhalation.
20/22 — Harmful by inhalation and if
swallowed.
|
|
National
Fire
Protection Association
(U.S.A.) Not rated by
NFPA.
|
|
DOT (U.S.A.)
(Pictograms)

|
|
DSCL (Europe)
(Pictograms)

|
|
ADR (Europe)
(Pictograms)
|
| Section
XVI. Other Information |
| REFERENCES |
-29 CFR Part
1910, Rev. July 1, 1993.
-40 CFR Parts 300-399 Rev, July 1, 1993.
-49 CFR Parts 1-199. Rev October 1, 1993.
-Domestic Substances List, Canadian Environmental
Protection Act, Environment Canada.
-Canada Gazette Part II, Vol. 122, No. 2 Registration
SOR/88-64 31 December, 1987
Hazardous Products Act "Ingredient Disclosure
List".
-American Conference of Governmental Industrial
Hygienists, Threshold Limit Values for
Chemical Substances, 1994-1995.
-Canadian Centre for Occupational Health and Safety
CCInfo Disk.
-Corrosion Data Survey. Sixth Edition, 1985, National
Association of Corrosion Engineers
-Fire Protection Guide to Hazardous Materials, (NFPA49,
325M, 491M, and 704), National Fire
Protection Association, 10th Ed, 1991
-The Transportation of Dangerous Goods Act (1992) and
Transportation of Dangerous Goods
Regulations, Transport Canada.
-TOMES Plus®, Vol 21, Micromedex Inc.
-AIHA Emergency Response Planning Guidelines
-Environment Canada, Environmental Protection Service,
Ammonia: Environmental and
Technical Information for Problem Spills, July 1984,
Beauregarde Press Limited, Ottawa |
OTHER SPECIAL
CONSIDERATIONS |
OSHA:
Hazardous by definition of Hazard Communication Standard
(29 CFR 1910.1200).
TSCA (Toxic Substance Control ct): This product is
listed on the TSCA Inventory.
CANADIAN ENVIRONMENTAL PROTECTION ACT (CEPA): This
product is on the Domestic Substances List (DSL) and
acceptable for use under the provisions of CEPA.
CERCLA: If the reportable quantity of this product is
accidentally spilled, the incident is subject to the
provisions of the Comprehensive Environmental Response,
Compensation, and Liability Act
(CERCLA) and must be reported to the National Response
Centre by calling (800) 424-8802.
The reportable spill quanity of this product is 100 lbs.
SARA HAZARD CATEGORY: This product ha been revised
according to the EPA "Hazard Categories"
promulgated under Sections 311 and 312 of the Superfund
Amendment and Reauthorization Act of 1986 (SARA Title
III) and is considered, under applicable definitions, to
meet the following category(ies):
Immediate Health, Delayed Health, Fire, Sudden Release
of Pressure, Reactive
This product also contains the following Section 313
reportable ingredient:
Ammonia CAS # 7664-41-7 Maximum % 100.0 |
|
Validated by Environment,
Health and Safety Department on 2/16/2001.
|
Printed 03/29/2001. Check
for updated MSDS Sheet from your supplier |
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