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MSDS Material Safety Data Sheet
CAS

7664-38-2
7732-18-5

File Name: astaris_com---phosphoric_acid_35-95_en.asp
                                    Material Safety Data Sheet

1. CHEMICAL PRODUCT AND COMPANY IDENTIFICATION

Identification

Product Name: PHOSPHORIC ACID (35% - 85%)
Reference Number: AST10046
Date: April 28, 2006

Use of the substance or preparation

Phosphates and fertilizers, acid cleaners, aluminum brighteners and metal phosphatizing, leather
tanning, varnish, synthetic rubber, and water treatment. Food grade is used as an acidulate for
cola drinks, yeast nutrient, etc. NSF International certifies phosphoric acid under Standard 60 as
an acceptable drinking water treatment chemical.

Company/Undertaking Identification

ICL PERFORMANCE PRODUCTS LP
622 Emerson Road - Suite 500
St. Louis, Missouri 63141
Emergency telephone: In USA call CHEMTREC: 1 800 424 9300
In Canada call CANUTEC: 1 613 996 6666
General Information: +1 800 244 6169 (Worldwide)

2. COMPOSITION/INFORMATION ON INGREDIENTS

Composition

Substance CAS No. %w/w EINECS No. Risk Phrase

Phosphoric Acid 7664-38-2 35 - 85 231-633-2 R34
Water 7732-18-5 15 - 65 231-791-2 None

3. HAZARDS IDENTIFICATION

Classification of the substance/preparation

EC Classification Corrosive
Safety Phrase S26, S36, S37, S39

Human health effects

WARNING STATEMENTS: DANGER! CAUSES EYE AND SKIN BURNS
MAY BE HARMFUL IF SWALLOWED, CORROSIVE TO MILD STEEL
This product causes eye burns. Injury may be permanent. This product causes skin burns based
on physical properties. It may not produce an immediate burning sensation upon skin contact,
delaying the awareness of the worker that contact has occurred.
ICL Performance Products LP Material Safety Data Sheet
Material: Phosphoric Acid (35%-85%) Page 2 of 8
Reference No.: AST10046 April 28, 2006
Breathing of vapor or mist may be irritating to the respiratory tract. This product may be harmful if
swallowed. May cause nausea, vomiting, abdominal discomfort, burns, and a burning sensation
(burning behind the breast bone) based on physical properties.

Environmental effects

When released into the soil, this material may leach into groundwater. When released to water,
natural waters hardness minerals may readily reduce acidity. Phosphate may persist indefinitely.

4. FIRST AID MEASURES

General

This material is an acid; treatment is symptomatic and supportive. Phosphoric acid has irritating
effects to mucous membranes.

Eye contact

Immediately flush with plenty of water for at least 15 minutes. If easy to do, remove any contact
lenses. Get medical attention. If irritation persists, contact an ophthalmologist.

Skin contact

May cause skin irritation. Wash effected area with plenty of soap and water. Get medical
attention.

Inhalation

Remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give
oxygen.

Ingestion

IF SWALLOWED, do NOT induce vomiting. Give victim 2-4 glasses of water to drink. Get
medical attention. Contact a Poison Control Center. NEVER GIVE ANYTHING BY MOUTH TO
AN UNCONSCIOUS PERSON.

5. FIRE FIGHTING MEASURES

Extinguishing media

Not combustible. No special requirements.

Unsuitable extinguishing media

Non-combustible. No special requirements.

Exposure hazard

Not combustible.
May give off toxic fumes (oxides of phosphorus) in a fire.
May react with metals to liberate hydrogen, a flammable gas.

Protective equipment

Firefighters should wear self-contained breathing apparatus & personal protective clothing (PPE).

6. ACCIDENTAL RELEASE MEASURES

Personal precautions

Avoid unnecessary exposure and remove all material from eyes, skin and clothing. Do not ingest
ICL Performance Products LP Material Safety Data Sheet
Material: Phosphoric Acid (35%-85%) Page 3 of 8
Reference No.: AST10046 April 28, 2006
or inhale mists of phosphoric acid.

Environmental precautions

Small quantities: Avoid discharge into the environment
Large quantities: May cause pollution. Avoid discharge into the environment. Note methods for
cleaning up in the next section.

Methods for cleaning up

Contain large spills with dikes and transfer the material to appropriate containers for reclamation
or disposal. Absorb remaining material or small spills with an inert material and then place in a
chemical waste container. Neutralize washings with a base such as soda ash or lime. Flush
residual spill area with large amounts of water.

Refer to Section 13 for disposal information and Sections 14 and 15 for reportable quantity
information.

7. HANDLING AND STORAGE

Handling

Do not get in eyes, on skin, or on clothing. Keep container closed.
Avoid breathing mist or vapor. Use only with adequate ventilation.
Do not taste or swallow. Wash thoroughly after handling.

Engineering measures

Provide natural or mechanical ventilation to minimize exposure. The use of local mechanical
exhaust ventilation is preferred at sources of air contamination such as open process equipment.
Consult National Fire Protection Association (NFPA) Standard 91 for design of exhaust systems.

Transfer product from drums to process in closed system (hermetically) and if not possible use
effective local exhaust ventilation. Empty drums as thoroughly as possible to facilitate disposal.

For bulk transfer, purge lines with nitrogen to remove residual liquid before disconnect. When
unloading bulk vehicles, personnel should wear chemical goggles and rubber or neoprene
gloves. All fittings should be properly secured prior to energizing unloading system. Care should
be taken to avoid acid contact when disconnecting lines/hoses after unloading.

For bulk storage type 316L stainless is recommended. Glass, polyethylene and FRP (depending
on resin used) are satisfactory, Steel, aluminum and type 304 stainless are not recommended
because of rapid or potential corrosion. Vessels should be vented and operated at ambient
conditions. Maintenance heat (hot water preferred) may be used to prevent freezing. Dike area
around storage tank with sufficient volume to hold entire tank contents.

Storage

Store in plastic, rubber-lined, or 316L stainless steel tanks designed for Phosphoric Acid. Store
drums away from heat and out of direct sunlight. Store in a well-ventilated dry area away from
alkalis and most metals. Store above freezing point. Contact with reactive metals, i.e. mild steel
and aluminum may generate hydrogen that may form and explosive mixture in storage vessels.

For tank inspection, follow manufacturer's recommended safety guidelines (ex. temperature,
etc.). In addition, corrosion data for phosphoric acid (ex. Handbook of Corrosion Engineering,
McGraw-Hill, 2000) must be followed to match the storage container of choice (ex. stainless,
rubber lined, etc.).

8. EXPOSURE CONTROLS/PERSONAL PROTECTION

Occupational Exposure Limits
ICL Performance Products LP Material Safety Data Sheet
Material: Phosphoric Acid (35%-85%) Page 4 of 8
Reference No.: AST10046 April 28, 2006
State Standard Limit

1 mg/m3 8-hr. TWA, 3 mg/m3 STEL
Australia Occupation Exposure Limit
MAK 1 mg/m3 8-hr
Austria Occupation Exposure Limit
1 mg/m3 8-hr. TWA, 3 mg/m3 STEL
Belgium Occupation Exposure Limit
1 mg/m3 8-hr. TWA
Denmark Occupation Exposure Limit
1 mg/m3 8-hr. TWA, 3 mg/m3 STEL
Finland Occupation Exposure Limit
VME 1 mg/m3 VLE 3 mg/m3
France Occupation Exposure Limit
1 mg/m3 8-hr.
Japan Occupation Exposure Limit
2 mg/m3 STEL
United Kingdom Occupation Exposure Limit
1 mg/m3 8-hr. TWA, 3 mg/m3 STEL
United States Occupation Exposure Limit

Respiratory protection

Avoid breathing vapor or mist. Use NIOSH/MSHA approved respiratory protection equipment
(full face piece recommended) when airborne exposure limits are exceeded (see below). If used,
full-face piece replaces the need for face shield and/or chemical goggles. Refer to U.S. OSHA
regulations 29 CFR 1910.134 or European Standard EN 149.

Hand/Skin protection

Wear impervious protective gloves and clothing to prevent contact to skin. Wash immediately if
skin is contaminated. Remove contaminated clothing promptly and launder before reuse. Clean
personal protective equipment before reuse. Provide a safety shower at any location where skin
contact can occur. Wash thoroughly after handling.

Eye protection

Wear chemical goggles, a face shield, and if necessary, a full face respirator when conditions
warrant or exceed the Occupation Exposure Limit. Refer to U.S. OSHA regulations 29 CFR
1910.133 or European Standard EN 166.

Components referred to herein may be regulated by specific Canadian provincial legislation.
Please refer to exposure limits legislated for the province in which the substance will be used.

9. PHYSICAL AND CHEMICAL PROPERTIES

General information

Chemical Formula: H3PO4
Appearance: Clear, colorless, syrupy liquid
Odor: None
0.0285 mm Hg @ 20 oC
Vapor Pressure (100% acid):
Solubility in Water: Complete

Important health, safety and environmental information

75% 80% 85%
pH (as a 1% solution @ 25 oC <1 <1 <1
% Equivalent H3PO4: 75.1 80.35 85.5
Boiling Point oC : 135 144 154
Freezing point oC -17.5 4.6 21.1
Viscosity @ 25 oC 12 17 23
Specific Gravity @ 25 oC /15.5 oC: 1.575 1.633 1.692
Kg/l @ 25 oC 1.57 1.64 1.69
lb/gallon @ 25 oC 13.17 13.66 14.15

NOTE: These physical data are typical values based on material tested but may vary from
sample to sample. Typical values should not be construed as a guaranteed analysis of any
specific lot or as specifications for the product.

10. STABILITY AND REACTIVITY
ICL Performance Products LP Material Safety Data Sheet
Material: Phosphoric Acid (35%-85%) Page 5 of 8
Reference No.: AST10046 April 28, 2006

Product is stable under normal conditions of storage and handling.

Conditions to avoid

Incompatible materials

Materials to avoid

Avoid contact with metals (such as mild steel and aluminum), which may liberate flammable
hydrogen gas that can produce an explosion in confined vessels. Avoid contact with materials
such as sulfides and sulfites, which could release toxic gases. Be cautious in mixing with strong
bases because high heat of reaction can generate steam.

Hazardous decomposition

Phosphorus oxides may form when heated to decomposition.

11. TOXICOLOGICAL INFORMATION

Laboratory data

Data from ICL Performance Products LP single-dose (acute) animal studies with this material are
given below:

Phosphoric Acid 75%

Oral - rat LD50: 4,400 mg/kg; slightly toxic
Dermal - rabbit LD50: > 3,160 mg/kg; slightly toxic
Eye Irritation - rabbit (24-hr. exp): corrosive
Skin Irritation - rabbit (24-hr. exp): corrosive
DOT Skin Corrosion - rabbit (4-hr. exp): non-corrosive

Phosphoric Acid 80%

Oral - rat LD50: 4,200 mg/kg; slightly toxic
Dermal - rabbit LD50: > 3,160 mg/kg; slightly toxic
Eye Irritation - rabbit (24-hr. exp): corrosive
Skin Irritation - rabbit (24-hr. exp): corrosive
DOT Skin Corrosion - rabbit (4-hr. exp): non-corrosive

Phosphoric Acid 85%
Oral - rat LD50: 3,500 mg/kg; slightly toxic
Dermal - rabbit LD50: > 1,260 mg/kg; slightly toxic
Eye Irritation - rabbit (24-hr. exp): corrosive
Skin Irritation - rabbit (24-hr. exp): corrosive
DOT Skin Corrosion - rabbit (4-hr. exp): corrosive
The results of single exposure tests indicate that these concentrations of Phosphoric Acid are
slightly toxic orally and no more than slightly toxic after skin application. Following a 24-hour
exposure, irreversible eye and skin damage occurred at all tested concentrations of Phosphoric
Acid.
Phosphoric Acid has produced no genetic changes in standard tests using bacterial cells.
Additional Information

This material is severely corrosive to steel based on DOT, 49 CFR criteria.

Phosphoric Acid has a low vapor pressure at room temperature and is not expected to present a
significant inhalation hazard under ambient conditions. Phosphoric Acid can, however, be irritating
to the respiratory tract if inhaled as a mist or if the material is vaporized. The American Conference
ICL Performance Products LP Material Safety Data Sheet
Material: Phosphoric Acid (35%-85%) Page 6 of 8
Reference No.: AST10046 April 28, 2006
of Governmental Industrial Hygienists (ACGIH) has established a Threshold Limit Value (TLV) for
Phosphoric Acid. For further information on this material, please refer to the current edition of the
Documentation of The Threshold Limit Values and Biological Exposure Indices.

12. ECOLOGICAL INFORMATION

Environmental toxicity

Phosphoric acid is practically nontoxic to one species of freshwater fish. No toxicity data was
located for other freshwater species, algae, or Daphnia magna in a search of the available
scientific literature.

The following data have been classified using the criteria adopted by the European Economic
Community (EEC) for aquatic organism toxicity.

96-hr. LC50 Mosquitofish: 138 mg/L, practically nontoxic

Environmental Fate

No specific biodegradation test data was located in a search of the available scientific literature.
It was reported in the literature that while acidity of this material may be reduced readily in natural
waters, the phosphate may persist indefinitely.

13. DISPOSAL CONSIDERATIONS

European waste catalog number

The data provided in this section is for information only. Please apply the appropriate
classification for your waste.

06 01 04 Waste from inorganic chemical processes, phosphoric and phosphorous acid

Disposal considerations

This material when discarded is a hazardous waste as defined by the U.S. Resource Conservation
and Recovery Act (RCRA), 40 CFR 261.22, due to its characteristic of corrosivity, EPA hazardous
waste number D002. Best Demonstrated Available Treatment (BDAT) as defined by RCRA for
D002 characteristic wastes is DEACTIVATION plus meet 40 CFR 268.48 (Universal Treatment
Standards) for non-CWA/non-CWA equivalent/non-Class I SDWA systems. Dispose of in
accordance with local, state and federal regulations. Consult your attorney or appropriate regulatory
officials for information on such disposal.

14. TRANSPORT INFORMATION

The data provided in this section is for information only. Please apply the appropriate regulations
to properly classify your shipment for transportation.

Road/Rail, Sea and Air

IMDG/UN Phosphoric acid, solution, 8, UN 1805, III
ICOA/IATA UN 1805, Phosphoric acid, solution, 8, III
RID/ADR UN 1805, Phosphoric acid, solution, 8, III
Canadian TDG Phosphoric acid, solution, 8, UN 1805, III*
US DOT Phosphoric acid, solution, 8, UN 1805, III*

*Reportable Quantity/ Reportable Limit (RQ/RL):
Canadian: Regulated limit (RL) for packages greater than or equal to 230 kg
U.S. DOT: Reportable quantity (RQ) for packages greater than or equal to 5,000 lb

15. REGULATORY INFORMATION
ICL Performance Products LP Material Safety Data Sheet
Material: Phosphoric Acid (35%-85%) Page 7 of 8
Reference No.: AST10046 April 28, 2006
EC label

Hazard symbol: corrosive
R34 Causes burns
S26 In case of contact with eyes, rinse immediately with plenty of water &
seek medical advice.
S36 Wear suitable protective clothing
S37 Wear suitable protective gloves
S39 Wear eye/face protection

Chemical Inventory

USA TSCA Listed Australia Listed
Canada DSL Listed Korea Listed
EC Listed Philippines Listed
Japan Listed China Listed

Additional information

WHMIS Classification: D2 (B) - Materials Causing Other Toxic Effects
E - Corrosive Material

SARA Hazard Notification
Hazard Categories Under Title III Rules (40 CFR 370): Immediate
Section 302 Extremely Hazardous Substances: Not Applicable
Section 313 Toxic Chemical(s): Not Applicable

CERCLA Reportable Quantity: 5,000 lbs. of phosphoric acid

Release of 5,000 lbs. or more of this product into the environment in a 24-hour period requires
notification to the U.S. National Response Center (800-424-8802 or 202-426-2675). Since local,
state, and federal laws vary; consult your attorney or appropriate regulatory officials for
information relating to spill reporting.

FDA: Food grades of phosphoric acid are sanctioned as Generally Recognized as Safe
(GRAS) by the U.S. Food and Drug Administration and is codified in 21 CFR 182.1073.

This product has been classified in accordance with the hazard criteria of the Canadian
Controlled Products Regulation and the MSDS contains all the information required by the
Canadian Controlled Products Regulation.

Refer to Section 11 for OSHA/HPA Hazardous Chemical(s) and Section 13 for RCRA
classification.

16. OTHER INFORMATION

Health Fire Reactivity Additional Information
Suggested NFPA 3 0 0
Rating
Suggested HMIS Rating 3 0 0 H
H = Splash goggles, gloves (nitrile
rubber recommended), synthetic apron,
dust and vapor respirator

Reason for revision: Revised section 7. Supersedes MSDS dated: April 21, 2006
Drafted in accordance with ECC Dir 2001/58/EC
ICL Performance Products LP Material Safety Data Sheet
Material: Phosphoric Acid (35%-85%) Page 8 of 8
Reference No.: AST10046 April 28, 2006
Although the information and recommendations set forth herein (hereinafter 鈥淚nformation鈥?) are
presented in good faith and believed to be correct as of the date hereof, ICL Performance
Products LP makes no representations as to the completeness or accuracy thereof. Information
is supplied upon the condition that the persons receiving same will make their own determination
as to its suitability for their purposes prior to use. In no event will ICL Performance Products LP
be responsible for damages of any nature whatsoever resulting from the use of or reliance upon
information. NO REPRESENTATIONS OR WARRANTIES, EITHER EXPRESS OR IMPLIED,
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR OF ANY OTHER
NATURE ARE MADE HEREUNDER WITH RESPECT TO INFORMATION OR THE PRODUCT
TO WHICH INFORMATION REFERS

AST10046.4020.doc

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