Borates, tetra, sodium salts (Anhydrous)
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CAS
1330-43-4
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Na2B4O7
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RTECS
ED4588000
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Synonyms & Trade Names
Anhydrous borax, Borax dehydrated, Disodium salt of boric acid, Disodium tetrabromate, Fused borax, Sodium borate (anhydrous), Sodium tetraborate
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DOT ID & Guide
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Exposure
Limits
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NIOSH REL: TWA 1 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
White to gray, odorless powder. [herbicide] [Note: Becomes opaque on exposure to air.]
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MW: 201.2
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BP: 2867°F (Decomposes)
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MLT: 1366°F
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Sol: 4%
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VP: 0 mmHg (approx)
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IP: NA
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Sp.Gr: 2.37
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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
Moisture [Note: Forms partial hydrate in moist air.]
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Measurement Methods
NIOSH 0500; OSHA ID125G
See: NMAM or OSHA Methods |
Personal Protection & Sanitation (See protection)
Skin: No recommendation
Eyes: No recommendation
Wash skin: Daily
Remove: No recommendation
Change: Daily
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash
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, upper respiratory system; dermatitis; epistaxis (nosebleed); cough, dyspnea (breathing difficulty)
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Target Organs
Eyes, skin, respiratory system
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See also: INTRODUCTION See ICSC CARD: 1229
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