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2-Butoxyethanol

2-Butoxyethanol is an organic compound with the chemical formula BuOC2H4OH (Bu = CH3CH2CH2CH2). This colorless liquid has a sweet, ether-like odor, as it derives from the family of glycol ethers, and is a butyl ether of ethylene glycol. As a relatively nonvolatile, inexpensive solvent of low toxicity, it is used in many domestic and industrial products because of its properties as a surfactant.

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Further Information

Names

Preferred IUPAC name: 2-Butoxyethan-1-ol

Other names

2-Butoxyethanol
Butyl cellosolve
Butyl glycol
Butyl monoether glycol
EGBE (thylene lycol monoutyl ther)
Dowanol EB
Bane-Clene
Eastman EB solvent
BH-33 industrial cleaner
Solvaset
2-BE
EGMBE
Butyl oxitol
Ektasolve
Jeffersol EB

Identifiers

CAS Number: 111-76-2

JSmol: Interactive image

ChEBI: CHEBI:63921

ChEMBL: ChEMBL284588

ChemSpider: 13836399

ECHA InfoCard: 100.003.550

EC Number: 203-905-0

PubChem: 8133

RTECS number: KJ8575000

UNII: I0P9XEZ9WV

UN number: 1993, 2810, 2369

Properties

Chemical formula: C6H14O2

Molar mass: 118.18 g·mol

Appearance: Clear, colorless liquid

Density: 0.90 g/cm, liquid

Melting point: −77 °C (−107 °F; 196 K)

Boiling point: 171 °C (340 °F; 444 K)

Solubility in water: Miscible (and in most organic solvents)

Vapor pressure: 0.8 mmHg

K: high pK for -OH group

Viscosity: P

Hazards

Safety data sheet: MSDS by Mallinckrodt Baker

GHS pictograms:

GHS signal word: Danger

GHS hazard statements: H227 H302 H311 H315 H319 H330 H336 H361 H370 H372

GHS precautionary statements: P201 P202 P210 P260 P261 P264 P270 P271 P280 P281 P284 P301+312 P302+352 P304+340 P305+351+338 P307+311 P308+313 P310 P312 P314 P320 P321 P322 P330 P332+313

NFPA 704:

Flash point: 67 °C (153 °F; 340 K)

Autoignition
temperature: 245 °C (473 °F; 518 K)

Explosive limits: 1.1-12.7%

median dose: 1230 mg/kg (mouse, oral)
470 mg/kg (rat, oral)
300 mg/kg (rabbit, oral)
1200 mg/kg (guinea pig, oral)
1480 mg/kg (rat, oral)

median concentration: 450 ppm (rat, 4 hr)
700 ppm (mouse, 7 hr)

NIOSH

PEL: TWA 50 ppm (240 mg/m) [skin]3

REL: TWA 5 ppm (24 mg/m) [skin]3

IDLH: 700 ppm

Related compounds

ethers: 2-Methoxyethanol

Related compounds: Ethylene glycol

Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).

Infobox references