POTASSIUM TETRABORATE TETRAHYDRATE Structure

POTASSIUM TETRABORATE TETRAHYDRATE

Chemical Properties

Melting point 850 °C
Density  1,74 g/cm3
solubility  H2O: 1M20°Cclear, colorless
form  Powder
Specific Gravity 1.74 (anhy)
color  White
PH pH(10g/l, 25℃) : 9.0～9.4
Odor Odorless
Water Solubility  Soluble in water
Merck  14,7680
Exposure limits ACGIH: TWA 2 mg/m3; STEL 6 mg/m3
InChI InChI=1S/B4O7.2K.4H2O/c5-1-8-3-10-4(11-3)9-2(6)7;;;;;;/h;;;4*1H2/q-2;2*+1;;;;
InChIKey FZICZLCGJZRAHS-UHFFFAOYSA-N
SMILES B1(OB([O-])[O-])OB(OB=O)O1.O.O.O.O.[K+].[K+]
FDA UNII 48O7QO061S
EPA Substance Registry System Boron potassium oxide (B4K2O7), tetrahydrate (12045-78-2)
UNSPSC Code 12352302
NACRES NA.23
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Safety

Symbol(GHS) GHS hazard pictograms
Signal wordWarning
Hazard statements H361-H361d
Precautionary statements P281-P201-P202-P280-P308+P313-P405-P501a
Hazard Codes  Xi,Xn
Risk Statements  36/37/38-63
Safety Statements  26-36-36/37
WGK Germany  3
TSCA  Yes
HS Code  28299080
Storage Class 13 - Non Combustible Solids
Hazard Classifications Repr. 2
NFPA 704:
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