SIGMA-ALDRICH
Material Safety Data Sheet
Date Printed: 09/NOV/2005
Date Updated: 12/MAR/2004
Version 1.3
According to 91/155/EEC
Classified as Hazardous according to the criteria of EU Annex 1 and
NOHSC.
1 - Product and Company Information
Product Name SODIUM PYROPHOSPHATE, 98%
Product Number 322466
Company Sigma-Aldrich Pty. Ltd.
12 Anella Avenue
Castle Hill NSW 2154
Australia
Technical Phone # +61 2 9841 0555 (1800 800 097)
Fax +61 2 9841 0500 (1800 800 096)
Emergency Phone # +44 8701906777 (1800 448 465)
2 - Composition/Information on Ingredients
Product Name CAS # EC no Annex I
Index Number
PYROPHOSPHATE TETRASODIUM 7722-88-5 231-767-1 None
Formula Na4P2O7
Molecular Weight 265.9 AMU
Synonyms Anhydrous tetrasodium pyrophosphate * Natrium
pyrophosphat (German) * Phosphotex *
Pyrophosphate * Tetranatriumpyrophosphat
(German) * Tetrasodium diphosphate * Tetrasodium
pyrophosphate (ACGIH) * Tetrasodium
pyrophosphate, anhydrous * TSPP * Victor TSPP
3 - Hazards Identification
SPECIAL INDICATION OF HAZARDS TO HUMANS AND THE ENVIRONMENT
Irritating to eyes, respiratory system and skin.
4 - First Aid Measures
AFTER INHALATION
If inhaled, remove to fresh air. If not breathing give
artificial respiration. If breathing is difficult, give oxygen.
AFTER SKIN CONTACT
In case of contact, immediately wash skin with soap and copious
amounts of water.
AFTER EYE CONTACT
In case of contact, immediately flush eyes with copious amounts
of water for at least 15 minutes.
AFTER INGESTION
If swallowed, wash out mouth with water provided person is
conscious. Call a physician.
5 - Fire Fighting Measures
EXTINGUISHING MEDIA
Suitable: Carbon dioxide, dry chemical powder, or appropriate
foam. Use extinguishing media appropriate to surrounding fire
conditions.
SPECIAL RISKS
Specific Hazard(s): Emits toxic fumes under fire conditions.
SPECIAL PROTECTIVE EQUIPMENT FOR FIREFIGHTERS
Wear self-contained breathing apparatus and protective clothing
to prevent contact with skin and eyes.
6 - Accidental Release Measures
PROCEDURE(S) OF PERSONAL PRECAUTION(S)
Wear respirator, chemical safety goggles, rubber boots, and
heavy rubber gloves.
METHODS FOR CLEANING UP
Sweep up, place in a bag and hold for waste disposal. Avoid
raising dust. Ventilate area and wash spill site after material
pickup is complete.
7 - Handling and Storage
HANDLING
Directions for Safe Handling: Do not breathe dust. Avoid contact
with eyes, skin, and clothing. Avoid prolonged or repeated
exposure.
STORAGE
Conditions of Storage: Keep tightly closed.
SPECIAL REQUIREMENTS: Hygroscopic.
8 - Exposure Controls / Personal Protection
ENGINEERING CONTROLS
Safety shower and eye bath. Mechanical exhaust required.
GENERAL HYGIENE MEASURES
Wash thoroughly after handling.
EXPOSURE LIMITS - DENMARK
Source Type Value
OEL TWA 5 mg/m3
EXPOSURE LIMITS - GERMANY
Source Type Value
TRGS 900 OEL 5 mg/m3, E
Remarks: DK
EXPOSURE LIMITS - NORWAY
Source Type Value
OEL 5 mg/m3
EXPOSURE LIMITS - SWITZERLAND
Source Type Value
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OEL OEL 5 mg/m3
Remarks: E
EXPOSURE LIMITS - UNITED KINGDOM
Source Type Value
OEL OEL 5 mg/m3
PERSONAL PROTECTIVE EQUIPMENT
Respiratory Protection: Government approved respirator.
Hand Protection: Compatible chemical-resistant gloves.
Eye Protection: Chemical safety goggles.
9 - Physical and Chemical Properties
Appearance Physical State: Solid
Property Value At Temperature or Pressure
pH 10.3
BP/BP Range N/A
MP/MP Range 622.0 - 985.0 掳C
Flash Point N/A
Flammability N/A
Autoignition Temp N/A
Oxidizing Properties N/A
Explosive Properties N/A
Explosion Limits N/A
Vapor Pressure N/A
SG/Density 2.53 g/cm3
Partition Coefficient N/A
Viscosity N/A
Vapor Density N/A
Saturated Vapor Conc. N/A
Evaporation Rate N/A
Bulk Density N/A
Decomposition Temp. N/A
Solvent Content N/A
Water Content N/A
Surface Tension N/A
Conductivity N/A
Miscellaneous Data N/A
Solubility Solubility in Water:Soluble.
10 - Stability and Reactivity
STABILITY
Stable: Stable.
Conditions to Avoid: Hygroscopic.
Materials to Avoid: Strong acids, Strong oxidizing agents.
HAZARDOUS DECOMPOSITION PRODUCTS
Hazardous Decomposition Products: Sodium/sodium oxides,
Phosphorous oxides.
HAZARDOUS POLYMERIZATION
Hazardous Polymerization: Will not occur
11 - Toxicological Information
RTECS NUMBER: UX7350000
ACUTE TOXICITY
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LD50
Oral
Rat
3,770 mg/kg
LD50
Skin
Rabbit
7,940 mg/kg
LD50
Oral
Rat
4000 mg/kg
LD50
Intraperitoneal
Rat
59 MG/KG
Remarks: Nutritional and Gross Metabolic:Weight loss or
decreased weight gain. Behavioral:Excitement.
LD50
Intravenous
Rat
100 MG/KG
LD50
Oral
Mouse
2980 mg/kg
LD50
Subcutaneous
Mouse
400 MG/KG
LD50
Intravenous
Mouse
69 MG/KG
IRRITATION DATA
Eyes
Rabbit
43 ml
Skin
Rabbit
8 ml
24 HR.
SIGNS AND SYMPTOMS OF EXPOSURE
Nausea, vomiting, diarrhea. Ingestion can cause: To the best of
our knowledge, the chemical, physical, and toxicological
properties have not been thoroughly investigated.
ROUTE OF EXPOSURE
Skin Contact: Causes skin irritation.
Skin Absorption: May be harmful if absorbed through the skin.
Eye Contact: Causes eye irritation.
Inhalation: Material is irritating to mucous membranes and upper
respiratory tract. May be harmful if inhaled.
Ingestion: May be harmful if swallowed.
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12 - Ecological Information
ECOTOXICOLOGICAL EFFECTS
Test Type: EC50 Daphnia
Species: Daphnia magna
Time: 48 h
Value: 391 mg/l
Test Type: LC50 Fish
Species: other fish
Time: 96 h
Value: 1,380 mg/l
Test Type: LC50 Fish
Species: other fish
Time: 48 h
Value: 700 mg/l
13 - Disposal Considerations
SUBSTANCE DISPOSAL
Contact a licensed professional waste disposal service to dispose
of this material. Dissolve or mix the material with a combustible
solvent and burn in a chemical incinerator equipped with an
afterburner and scrubber. Observe all federal, state, and local
environmental regulations.
14 - Transport Information
RID/ADR
Non-hazardous for road transport.
IMDG
Non-hazardous for sea transport.
IATA
Non-hazardous for air transport.
15 - Regulatory Information
CLASSIFICATION AND LABELING ACCORDING TO EU DIRECTIVES
INDICATION OF DANGER: Xi
Irritant.
R-PHRASES: 36/37/38
Irritating to eyes, respiratory system and skin.
S-PHRASES: 26-36
In case of contact with eyes, rinse immediately with plenty of
water and seek medical advice. Wear suitable protective
clothing.
COUNTRY SPECIFIC INFORMATION
Germany
WGK: 2
SWITZERLAND
SWISS POISON CLASS: 4
16 - Other Information
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WARRANTY
The above information is believed to be correct but does not
purport to be all inclusive and shall be used only as a guide. The
information in this document is based on the present state of our
knowledge and is applicable to the product with regard to
appropriate safety precautions. It does not represent any
guarantee of the properties of the product. Sigma-Aldrich Inc.,
shall not be held liable for any damage resulting from handling or
from contact with the above product. See reverse side of invoice
or packing slip for additional terms and conditions of sale.
Copyright 2005 Sigma-Aldrich Co. License granted to make unlimited
paper copies for internal use only.
DISCLAIMER
For R&D use only. Not for drug, household or other uses.
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