Borates, tetra, sodium salts (Decahydrate)
Synonyms & Trade Names
Borax, Borax decahydrate, Sodium borate decahydrate, Sodium tetraborate decahydratePhysical Description
White, odorless, crystalline solid. [herbicide] [Note: Becomes anhydrous at 608°F.]Molecular Weight
381.4Boiling Point
608°FMelting Point
167°FSolubility
6%Vapor Pressure
0 mmHg (approx)Ionization Potential
NASpecific Gravity
1.73Flash Point
NAUpper Exposive Limit
NALower Explosive Limit
NA
Noncombustible Solid (an inherent fire retardant).
Incompatibilities & Reactivities
Zirconium, strong acids, metallic saltsExposure Routes
inhalation, ingestion, skin and/or eye contactSymptoms
irritation eyes, skin, upper respiratory system; dermatitis; epistaxis (nosebleed); cough, dyspnea (breathing difficulty)Target Organs
Eyes, skin, respiratory systemPersonal 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.
- Page last reviewed:April 11, 2016
- Page last updated:April 11, 2016
- Content source:
- National Institute for Occupational Safety and Health (NIOSH) Education and Information Division