Material Safety Data Sheet
1. CHEMICAL PRODUCT AND COMPANY IDENTIFICATION
Identification
Product Name: SODIUM ACID PYROPHOSPHATE
Reference Number: AST10051
Date: March 12, 2007
Synonyms: SAPP; Pyrophosphate Acid, Disodium Salt; Disodium Dihydrogen
Pyrophosphate
Use of substance or preparation
Food ingredient, buffer, sequestrate, deflocculate, peptizing agent in cheese and meat products,
dairy cleaners, drilling mud, metal cleaning and phosphatizing.
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. EINECS No %w/w Risk Phrase
Sodium Acid Pyrophosphate 7758-16-9 231-835-0 95+ None
3. HAZARDS IDENTIFICATION
Classification of the substance/preparation
EC Classification None
Safety phrase None
Human Health Effects
The product may cause eye and respiratory tract irritation. May cause skin irritation.
Environmental Effects
ICL Performance Products LP Material Safety Data Sheet
Material: Sodium Acid Pyrophosphate Page 2 of 7
Reference No.: AST10051 March 12, 2007
This material is not expected to produce any significant environmental effects when
recommended use instructions are followed. May cause temporary algal bloom.
4. FIRST-AID MEASURES
WARNING!
CAUSES EYE AND RESPIRATORY TRACT IRRITATION, MAY CAUSE SKIN IRRITATION
General
Treatment is symptomatic and supportive. This product may cause eye, skin, and respiratory
tract irritation. May cause gastrointestinal irritation with nausea, vomiting and diarrhea. May
cause mild skin irritation with symptoms including redness and burning. Can cause eye irritation
with symptoms including stinging, tearing, redness and swelling. Inhalation of this dust may
cause coughing, chest pain, runny nose and burning throat.
Eye contact
Rinse immediately with plenty of water. If easy to do, remove any contact lenses. Get medical
attention if irritation occurs and persists. Remove contaminated clothing. Remove material from
eyes, skin and clothing. Wash clothing before reuse.
Skin contact
Remove this material with plenty of soap and water. Contact with the dry material may cause
drying, or chapping, redness or burning of the skin.
Inhalation
Remove to fresh air immediately. If not breathing, give artificial respiration. If breathing is
difficult, give oxygen. Inhalation of the dust may cause coughing and sneezing.
Ingestion
If swallowed, do NOT induce vomiting. Rinse mouth with plenty of water and get medical
attention. Contact a Poison Control Center. Never give anything by mouth to an unconscious
person.
5. FIRE FIGHTING MEASURES
Extinguishing media
Non-combustible. No special requirement.
Unsuitable extinguishing media
Non-combustible. No special requirement.
Exposure hazards
No special considerations.
Protective equipment
As a general precaution, firefighters, and others exposed, wear self-contained breathing
apparatus.
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Material: Sodium Acid Pyrophosphate Page 3 of 7
Reference No.: AST10051 March 12, 2007
6. ACCIDENTAL RELEASE MEASURES
Personal precautions
No special requirement.
Environmental precautions
Small quantities: Presents no environmental problems.
Large quantities: As general precaution, avoid discharge into the environment.
Methods for cleaning up
Sweep, scoop or vacuum and place into containers for disposal. Flush area with water.
Refer to Section 13 for disposal information and Sections 14 and 15 for reportable quantity
information.
7. HANDLING AND STORAGE
Handling
Avoid breathing dust. Avoid contact with eyes and skin.
Keep container closed. Wash thoroughly after handling.
Use only with adequate ventilation. Do not taste or swallow.
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.
Storage
Store in a cool, dry place to maintain product performance. Emptied container retains product
residue. Observe all labeled safeguards until container is cleaned, reconditioned, or destroyed.
The reuse of this material鈥檚 container for non-industrial purposes is prohibited and any reuse
must be in consideration of the data provided in this MSDS.
8. EXPOSURE CONTROLS/PERSONAL PROTECTION
Occupational exposure limit
OSHA and ACGIH have not established specific exposure limits for this material. However,
OSHA and ACGIH have established limits for particulates not otherwise regulated (PNOR) and
particulates not otherwise classified (PNOC) which are the least stringent exposure limits
applicable to dusts.
10 mg/m3 (inhalable) 8-hr TWA, 3 mg/m3 (respirable) 8-hr TWA
ACGIH TLV
15 mg/m3 (total dust) 8-hr TWA, 5 mg/m3 (respirable) 8-hr TWA
OSHA PEL
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.
Respiratory protection
ICL Performance Products LP Material Safety Data Sheet
Material: Sodium Acid Pyrophosphate Page 4 of 7
Reference No.: AST10051 March 12, 2007
Avoid breathing dust. In case of insufficient ventilation, wear suitable respiratory equipment. Use
NIOSH/MSHA approved respiratory protection equipment when airborne exposure limits are
exceeded. Consult the respirator manufacturer to determine appropriate type equipment for a
given application. Observe respirator use limitations specified by NIOSH/MSHA or the
manufacturer. Use approved respiratory protective equipment as described in the U.S. OSHA 29
CFR 1910.134 or European Standard EN149.
Hand/skin protection
Wearing protective clothes is recommended; wash hand and contaminated skin thoroughly after
handling.
Eye protection
Wear appropriate protective eyeglasses or chemical safety goggles as described in the U.S.
OSHA 29 CFR 1910.133 or European Standard EN 166.
9. PHYSICAL AND CHEMICAL PROPERTIES
General Information
Chemical Formula: Na2 H2P2O7
Form Powder, free flowing
Color White
Odor Odorless
Important health, safety and environmental information
pH (1% solution) 4.0 鈥? 5.0
Decomposes between 250 鈥? 275 oC (482-527 oF) to
Melting point:
polyphosphates, which melt between 600 - 650 oC (1112-1202 oF)
Bulk density: 0.8 鈥? 1.33 g/cc
Water solubility (g/100g H2O): 5 @ 0 掳C
12.5 @ 25 掳C
20 @ 50 掳C
65 @ 75 掳C
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
Product is stable under normal conditions of storage and handling.
Conditions to avoid
None known.
Materials to avoid
Strong mineral acids
Hazardous decomposition products
None known.
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Material: Sodium Acid Pyrophosphate Page 5 of 7
Reference No.: AST10051 March 12, 2007
11. TOXICOLOGICAL INFORMATION
The dry powder may cause foreign body irritation in some individuals. Prolonged contact with the
dry powder may cause drying or chapping of the skin. Workers exposed to dust of this product
reported moderate irritation of the nose and throat, with five of the eighteen workers reporting
nasal stuffiness and nosebleeds. High dust concentrations were reported to cause mild eye and
skin irritation.
Laboratory data
Data from ICL Performance Products LP single-dose (acute) animal studies with this material are
given below:
Oral - rat LD50 - 3,600 mg/kg; slightly toxic
Dermal - rabbit LD50: > 7,940 mg/kg; practically non-toxic
Eye Irritation - rabbit: 66.5/110; severely irritating
Skin Irritation - rabbit: 0.7/8.0; slightly irritating
Inhalation - LC50 >0.58 mg/l, 4 hr (rat) - maximum attainable concentration
No birth defects were reported in mice, hamsters, or rabbits given sodium acid pyrophosphate
during pregnancy. No adverse genetic effects were reported in standard tests using animals or
bacterial and yeast cells.
12. ECOLOGICAL INFORMATION
Environmental Toxicity
ICL Performance Products LP has not conducted environmental toxicity studies with this product.
Environmental Fate
Inorganic compounds in contact with the soil, sub-surface or surface waters may be taken up by
plants and utilized as essential nutrients. Phosphates may also form precipitates, usually with
calcium or magnesium. The resultant compounds are insoluble in water and become a part of the
soil or sediment. The term biodegradability, as such, is not applicable to inorganic compounds.
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 03 07 Waste from inorganic chemical processes, waste salts and their solutions, phosphates
and related solid salts
Disposal Considerations
This material when discarded is not a hazardous waste as that term is defined by the U.S.
Resource, Conservation and Recovery Act (RCRA), 40 CFR 261. Dry material may be land filled
or recycled 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.
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Material: Sodium Acid Pyrophosphate Page 6 of 7
Reference No.: AST10051 March 12, 2007
Road/Rail, Sea and Air
IMDG/UN Not regulated for transport
ICAO/IATA Not regulated for transport
RID/ADR Not regulated for transport
Canadian TDG Not regulated for transport
U.S. DOT Not regulated for transport
15. REGULATORY INFORMATION
EC label
None
Chemical Inventory
USA TSCA: Listed
Canada DSL: Listed
EC: Listed
Additional information
WHMIS Classification: D2 (B) 鈥? Materials Causing Other Toxic Effects
SARA Hazard Notification
Hazard Categories Under Title III Rules (40 CFR 370): Immediate
Section 302 Extremely Hazardous Substances: None
Section 313 Toxic Chemical(s): None
CERCLA Reportable Quantity: Not applicable
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 Reactivit Additional Information
y
Suggested NFPA Rating 2 0 0
Suggested HMIS Rating 2 0 0 J
J = Splash goggles, gloves,
synthetic apron, dust & vapor
respirator
Reason for revision: Revised section 9. Supersedes MSDS dated: March 6, 2007
Drafted in accordance with ECC Dir 2001/58/EC
ICL Performance Products LP Material Safety Data Sheet
Material: Sodium Acid Pyrophosphate Page 7 of 7
Reference No.: AST10051 March 12, 2007
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
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