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Borates, tetra, sodium salts (Anhydrous) |
CAS 1330-43-4 | ||
Na2B4O7 |
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 |
DOT ID & Guide |
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Exposure
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NIOSH REL: TWA 1 mg/m3 | ||
| OSHA PEL†: none | |||
| IDLH N.D. See: IDLH INDEX | 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 |
BP: 2867°F (Decomposes) |
MLT: 1366°F |
Sol: 4% |
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VP: 0 mmHg (approx) |
IP: NA |
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Sp.Gr: 2.37 |
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Fl.P: NA |
UEL: NA |
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 |
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Personal Protection & Sanitation (See protection) Skin: No recommendation Eyes: No recommendation Wash skin: Daily Remove: No recommendation Change: Daily |
First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash Breathing: Respiratory support Swallow: Medical attention immediately |
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Important additional information about respirator selection Respirator Recommendations Not available. |
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| Exposure Routes inhalation, ingestion, skin and/or eye contact | |
| 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 |