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2-Butoxyethanol Structure

2-Butoxyethanol

Chemical Properties

Melting point -70 °C
Boiling point 171 °C
Density  0.902 g/mL at 25 °C(lit.)
vapor density  4.1 (vs air)
vapor pressure  <1 mm Hg ( 20 °C)
refractive index  n20/D 1.419(lit.)
Flash point 140 °F
storage temp.  Store below +30°C.
solubility  900g/l completely miscible
form  Liquid
pka 14.42±0.10(Predicted)
color  Clear
PH 7 (H2O, 20℃)(as aqueous solution)
Odor Mild, characteristic; slightly rancid; mild ethereal.
Odor Threshold 0.043ppm
explosive limit 1.1-10.6%(V)
Water Solubility  miscible
λmax λ: 230 nm Amax: 1.0
λ: 250 nm Amax: 0.10
λ: 275 nm Amax: 0.05
λ: 300-400 nm Amax: 0.01
Merck  14,1559
BRN  1732511
Henry's Law Constant (x 10-6 atm?m3/mol): 2.36 (approximate - calculated from water solubility and vapor pressure)
Exposure limits TLV-TWA skin 25 ppm (121 mg/m3) (ACGIH), 50 ppm (242 mg/m3) (OSHA); STEL 75 ppm (363 mg/m3) (ACGIH);IDLH 700 ppm (NIOSH). .
Dielectric constant 5.2999999999999998
LogP 0.81 at 20℃
CAS DataBase Reference 111-76-2(CAS DataBase Reference)
IARC 3 (Vol. 88) 2006
NIST Chemistry Reference 2-n-Butoxy-1-ethanol(111-76-2)
EPA Substance Registry System Ethylene glycol monobutyl ether (111-76-2)

Safety Information

Hazard Codes  Xn
Risk Statements  20/21/22-36/38
Safety Statements  36/37-46
RIDADR  1986
WGK Germany  1
RTECS  KJ8575000
Autoignition Temperature 473 °F
TSCA  Yes
HS Code  2909 43 00
HazardClass  6.1
PackingGroup  III
Hazardous Substances Data 111-76-2(Hazardous Substances Data)
Toxicity LD50 orally in rats: 1.48 g/kg (Smyth)
IDLA 700 ppm

MSDS

Usage And Synthesis

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