Borates, tetra, sodium salts (Anhydrous) |
Synonyms & Trade Names Anhydrous borax, Borax dehydrated, Disodium salt of boric acid, Disodium tetraborate, Fused borax, Sodium borate (anhydrous), Sodium tetraborate |
CAS No. 1330-43-4 |
RTECS No. ED4588000 |
DOT ID & Guide |
FormulaNa2B4O7 |
Conversion |
IDLH N.D.
See: IDLH INDEX |
Exposure Limits NIOSH REL: TWA 1 mg/m3
OSHA PEL†: none |
Measurement Methods
NIOSH 0500;
OSHA ID125G
See: NMAM or OSHA Methods |
Physical Description White to gray, odorless powder. [herbicide] [Note: Becomes opaque on exposure to air.] |
MW: 201.2 |
BP: 2867°F (Decomposes) |
MLT: 1366°F |
Sol: 4% |
VP: 0 mmHg (approx) |
IP: NA |
Sp.Gr: 2.37 |
Fl.P: NA |
UEL: NA |
LEL: NA |
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| Noncombustible Solid |
Incompatibilities & Reactivities Moisture [Note: Forms partial hydrate in moist air.] |
Exposure Routes inhalation, ingestion, skin and/or eye contact |
Symptoms irritation eyes, skin, upper respiratory system; dermatitis; epistaxis (nosebleed); cough, dyspnea (breathing difficulty) |
Target Organs Eyes, skin, respiratory system |
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Personal Protection/Sanitation (See protection codes)
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 |
Respirator Recommendations Not available.
Important additional information about respirator selection |
| See also: INTRODUCTION See ICSC CARD: 1229
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