Tpnb/ Tripropylene Glycol Normal Butyl Ether CAS: 55934-93-5

TPNB glycol ether is a very slow-evaporating, hydrophobic glycol ether with outstanding surface tension-lowering ability; ideal where high polymer solvency and residence time are required. 

TPNB is the slowest-evaporating member of the family of  glycol ethers. 

TPNB is a high boiling, colorless solvent with low viscosity and practically no odor.

Due to its length and hydrophobic structure,  TPNB has a high organic solubility, low water solubility, and a high boiling point.

Nga painga

He maha nga wheketere kounga teitei me te mahi tahi, ka taea e koe te whakarato i nga hua o te kounga teitei me nga utu whakataetae. Ka taea hoki e matou te tuku utu mo nga hokonga nui.A ka mahi tahi matou me te maha o nga kamupene kawe utanga ngaio, ka taea te tuku hua ma te humarie me te pai ki o ringaringa. Ko te wa tuku mo nga ra 3-20 i muri i te whakapumautanga o te utu.

 

Whakatakotoranga

Property	Value
Molecular weight (g/mol)	248.4
Flash point (Setaflash Closed Cup)	126 °C (259 °F)
Boiling point @760 mmHg, 1.01 ar	275 °C (527 °F)
Liquid Density @ 20° C	0.930 g/cm³
Freezing Point	-75 °C (-103°F)
Viscosity (cP or mPa•s @ 25°C)	7.0
Vapor Pressure @ 20° C	0.01 mmHg
Surface tension	29.7 @ 1000 mg/L
Relative Density (water = 1)	0.930 at 25 °C
pH value	Not applicable
Autoignition temperature	202 °C Estimated.
Evaporation rate	<0.01

1. He wheketere koe, he kamupene hokohoko ranei?
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