A0871450
Potassiumtetraboratetetrahydrate , 99% , 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 | RMB71.20 | In Stock |
|
| 2.5kg | RMB279.20 | In Stock |
|
| others | Enquire |
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 |
