Melting point :2300°C
Boiling point :2550°C
Density :2.34 g/mL at 25 °C (lit.)
storage temp. :no restrictions.
solubility :H₂O: soluble
form :Powder
color :Brown or dark
Specific Gravity :2.34～2.37
Resistivity :1.5E12 μΩ-cm, 20 °C
Water Solubility :insoluble H2O [MER06]
Crystal Structure :Trigonal (rhombohedral) a = 1017 pm α = 65°12' hR105, R3m, β-B type
Merck :13,1333
Exposure limits :ACGIH: TWA 2 mg/m3; STEL 6 mg/m3
Stability :Stable. Substances to be avoided include strong oxidizing agents and strong acids. May decompose on exposure to air - store under nitrogen. Highly flammable.
InChIKey :UORVGPXVDQYIDP-UHFFFAOYSA-N
CAS DataBase Reference :7440-42-8(CAS DataBase Reference)
NIST Chemistry Reference :Boron(7440-42-8)
EPA Substance Registry System :Boron (7440-42-8)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H412 Harmful to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 3 P273, P501
Precautionary statements:	P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P273 Avoid release to the environment. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P501 Dispose of contents/container to..…