Disodium tetraborate, anhydrous
CAS 1330-43-4 · B4Na2O7
Hazard classDanger — Irritant / harmful, Health hazard
PictogramsIrritant / harmfulHealth hazard
H-statements- H360FD May damage fertility. May damage the unborn child
- H319 Causes serious eye irritation
- H360 May damage fertility or the unborn child
- H315 Causes skin irritation
- H335 May cause respiratory irritation
- H370 Causes damage to organs
- H372 Causes damage to organs through prolonged or repeated exposure
- H320 Causes eye irritation
- H373 May cause damage to organs through prolonged or repeated exposure
- H402 Harmful to aquatic life
- H412 Harmful to aquatic life with long lasting effects
- H302 Harmful if swallowed
Workplace exposure limitsNIOSH REL TWA 1 mg/m3
OSHA PEL none
IDLH N.D.Occupational exposure limits — NIOSH Pocket Guide.
Synonyms215-540-4 · Sodium Tetraborate, Anhydrous · Boron sodium oxide (B4Na2O7) · Borax glass · Anhydrous borax · Sodium biborate · Borax Anhydrous · Fused borax
Molecular weight201.2 g/mol
Data sourceAggregated classification PubChem · REACH-registeredGHS aggregated by PubChem from registrant and agency submissions; not individually harmonised. Always verify against the official SDS before compliance use.
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Guide only. This information is compiled from published safety data sheets and public regulatory registries and is believed correct at the date of publication shown. It is not all-inclusive and shall be used only as a guide. It does not replace the manufacturer’s current Safety Data Sheet, which governs in all cases. SNRL shall not be held liable for any injury, loss or damage resulting from handling of, or contact with, any product listed.