12045-78-2

Name POTASSIUM TETRABORATE TETRAHYDRATE
CAS 12045-78-2
EINECS(EC#) 215-575-5
Molecular Formula B4H8K2O11
MDL Number MFCD00149924
Molecular Weight 305.5
MOL File 12045-78-2.mol

Chemical Properties

Appearance WHITE POWDER
Melting point  850 °C
density  1,74 g/cm3
solubility  H2O: 1M20°Cclear, colorless
form  Powder
color  White
Specific Gravity 1.74 (anhy)
Odor Odorless
PH pH(10g/l, 25℃) : 9.0~9.4
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+]
EPA Substance Registry System Boron potassium oxide (B4K2O7), tetrahydrate (12045-78-2)

Safety Data

Hazard Codes  Xi,Xn
Risk Statements 
Safety Statements 
WGK Germany  3
TSCA  Yes
HS Code  28299080
Storage Class 13 - Non Combustible Solids
Hazard Classifications Repr. 2

Hazard Information

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