Boric acid(H2B4O7), disodium salt (8CI) Sodium tetraborate (Na2B4O7) (7CI) Anhydrousborax
Sodium tetraborate Chemical Properties |
Melting point | 741 °C (lit.) |
Boiling point | 1575°C |
density | 2.367 g/mL at 25 °C (lit.) |
vapor pressure | 7.3 hPa (1200 °C) |
refractive index | 1.501 |
Fp | 1575°C |
storage temp. | Store at +5°C to +30°C. |
solubility | H2O: 0.1 M at 20 °C, clear, colorless |
form | Solid |
Specific Gravity | 2.367 |
color | White |
PH | 9.0-10.5 (25℃, 0.1M in H2O) |
Water Solubility | 26 g/L (20 ºC) |
Sensitive | Hygroscopic |
λmax | λ: 260 nm Amax: ≤0.020 λ: 280 nm Amax: ≤0.015 |
Merck | 14,8590 |
Exposure limits | ACGIH: TWA 2 mg/m3; STEL 6 mg/m3 NIOSH: TWA 1 mg/m3 |
Stability: | Stable. Incompatible with powdered metals. |
InChIKey | UQGFMSUEHSUPRD-UHFFFAOYSA-N |
NIST Chemistry Reference | Sodium borate(1330-43-4) |
EPA Substance Registry System | Sodium tetraborate (1330-43-4) |
Safety Information |
Hazard Codes | Xn,Xi,T |
Risk Statements | 62-63-36/38-36/37/38-61-60 |
Safety Statements | 36/37-24/25-26-36-23-45-53 |
RIDADR | UN 1760 8/PG 2 |
OEB | C |
OEL | TWA: 1 mg/m3 |
WGK Germany | 1 |
RTECS | ED4588000 |
F | 34 |
TSCA | Yes |
HS Code | 28401100 |
Hazardous Substances Data | 1330-43-4(Hazardous Substances Data) |
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