2-Butoxyethanol CAS#111-76-2

Products Description of 2-Butoxyethanol CAS#111-76-2

2-Butoxyethanol (2-BE), a clear, colorless liquid with an ether-like odor, is primarily synthesized by reacting ethylene oxide with butyl alcohol or alternatively through ethylene glycol and dibutyl sulfate. It serves extensively as a solvent in protective coatings like lacquers, enamels, varnishes, and latex paints, and is a key component in paint thinners, strippers, agricultural chemicals, herbicides, industrial/household cleaners (degreasers), metal cleaners, inks, dry-cleaning compounds, liquid soaps, and cosmetics. Its acetate form, 2-butoxyethanol acetate (ethylene glycol monobutyl ether acetate), contaminates air, water, and soil during manufacture, industrial use, and product formulation

Parameters

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.)
Fp	140 °F
storage temp.	Store below +30°C.
solubility	900g/l completely miscible
pka	14.42±0.10(Predicted)
form	Liquid
color	Clear
Odor	Mild, characteristic; slightly rancid; mild ethereal.
PH	7 (H2O, 20℃)(as aqueous solution)
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)
Dielectric  constant	5.2999999999999998
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). .
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
OEB	A
OEL	TWA: 5 ppm (24 mg/m3) [skin]
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

Product Application of  2-Butoxyethanol CAS#111-76-2

2-Butoxyethanol is a reagent in synthesising 4-butoxyethoxy-N-octadecyl-1,8-naphthalimide as a new fluorescent probe for determining proteins. It is also used as a reagent in synthesising 4-hydroxybenzaldehyde derivatives as tyrosinase inhibitors. It is used widely as a coupling solvent because of its superior coupling efficiency and excellent solvency for resins. Ethylene glycol monobutyl ether (2-Butoxyethanol) is used as a solvent for nitrocellulose, resins, oil, and grease and in dry cleaning.

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