Home Categories Analytical Chemistry Potassium biborate
A6719512

Potassium biborate , AR,≥99.5% , 12045-78-2

Synonym(s):
Potassium biborate

CAS NO.:12045-78-2

Empirical Formula: B4H8K2O11

Molecular Weight: 305.5

MDL number: MFCD00149924

EINECS: 601-707-2

Pack Size Price Stock Quantity
500G RMB127.20 In Stock
2.5KG RMB479.20 In Stock
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Update time: 2022-07-08

PRODUCT 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
Water Solubility  Soluble in water
Merck  14,7680
Exposure limits ACGIH: TWA 2 mg/m3; STEL 6 mg/m3

Description and Uses

Potassium tetraborate tetrahydrate (K2B4O7.4H2O) may be employed in the preparation of puffed and dense forms of anhydrous potassium tetraborate (purity = 99.5%, bulk density = 0.4 and 0.7gcm-3). It may be used for the preparation of saturated K2B4O7 solution required for the quantification of polyamines in various biological samples by HPLC.

Safety

Symbol(GHS) 
GHS08
Signal word  Warning
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

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