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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
Formula
Na2B4O7
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
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
Personal Protection/Sanitation
(See protection codes)
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
Respirator Recommendations

Not available.

Important additional information about respirator selection

See also: INTRODUCTION   See ICSC CARD: 1229
 

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