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.

Uru

Anyị nwere ọtụtụ ụlọ ọrụ dị elu nke nwere nkwado miri emi, nke nwere ike inye gị ngwaahịa dị elu na ọnụ ahịa asọmpi. Anyị nwekwara ike inye ego maka nnukwu ịzụrụ ihe. Anyị na-akwado ọtụtụ ụlọ ọrụ na-ebuga ibu ndị ọkachamara, nwere ike ịnapụta ngwaahịa n'enweghị nsogbu na aka gị. Oge nnyefe bụ ihe dịka ụbọchị 3-20 mgbe nkwenye nke ịkwụ ụgwọ gasịrị.

 

Nkọwapụta

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

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