Tetrasodium pyrophosphate
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CAS
7722-88-5
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Na4P2O7
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RTECS
UX7350000
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Synonyms & Trade Names
Pyrophosphate, Sodium pyrophosphate, Tetrasodium diphosphate, Tetrasodium pyrophosphate (anhydrous), TSPP
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DOT ID & Guide
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Exposure
Limits
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NIOSH REL: TWA 5 mg/m3
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OSHA PEL†: none
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IDLH
N.D.
See: IDLH INDEX
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Conversion
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Physical Description
Odorless, white powder or granules. [Note: The decahydrate (Na4P2O7 • 10H2O) is in the form of colorless, transparent crystals.]
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MW: 265.9
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BP: Decomposes
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MLT: 1810°F
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Sol(77°F): 7%
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VP: 0 mmHg (approx)
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IP: NA
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Sp.Gr: 2.45
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Fl.P: NA
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UEL: NA
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LEL: NA
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Noncombustible Solid
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Incompatibilities & Reactivities
Strong acids
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Measurement Methods
NIOSH 0500
See: NMAM or OSHA Methods |
Personal Protection & Sanitation (See protection)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: Daily
Provide: Eyewash (solution)
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Water wash promptly
Breathing: Respiratory support
Swallow: Medical attention immediately
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Respirator Recommendations
Not available.
Important additional information about respirator selection
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Exposure Routes
inhalation, ingestion, skin and/or eye contact
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Symptoms
Irritation eyes, skin, nose, throat; dermatitis
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Target Organs
Eyes, skin, respiratory system
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See also: INTRODUCTION
See ICSC CARD: 1140 |
