2-(2-HEXYLOXYETHOXY)ETHANOL Chemical Properties

Melting point:

-40 °C (lit.)

Boiling point:

260 °C (lit.)

Density 

0.935 g/mL at 25 °C (lit.)

vapor pressure 

<0.01 hPa (20 °C)

refractive index 

n20/D 1.4381(lit.)

Flash point:

>230 °F

storage temp. 

Store below +30°C.

solubility 

17g/l

pka

14.37±0.10(Predicted)

form 

clear liquid

color 

Colorless to Light yellow

PH

5-7 (200g/l, H2O, 20℃)

explosive limit

1.1-6.3%(V)

Water Solubility 

Soluble in water.

Sensitive 

Hygroscopic

BRN 

1743959

InChI

1S/C10H22O3/c1-2-3-4-5-7-12-9-10-13-8-6-11/h11H,2-10H2,1H3

InChIKey

GZMAAYIALGURDQ-UHFFFAOYSA-N

SMILES

CCCCCCOCCOCCO

LogP

1.7

CAS DataBase Reference

112-59-4(CAS DataBase Reference)

EPA Substance Registry System

Diethylene glycol monohexyl ether (112-59-4)

Safety Information

Hazard Codes 

Xn

Risk Statements 

21-41-38

Safety Statements 

26-36/37-46-36/37/39

WGK Germany 

1

RTECS 

KL2625000

Autoignition Temperature

210 °C

TSCA 

TSCA listed

HS Code 

29094400

Storage Class

10 - Combustible liquids

Hazard Classifications

Acute Tox. 4 Dermal
Eye Dam. 1

Hazardous Substances Data

112-59-4(Hazardous Substances Data)

Toxicity

LD50 orally in Rabbit: 2400 mg/kg LD50 dermal Rabbit 1395 mg/kg

MSDS

• Language:English Provider:SigmaAldrich
• Language:English Provider:ALFA

2-(2-HEXYLOXYETHOXY)ETHANOL Usage And Synthesis

Chemical Properties

Clear colorless liquid

Uses

Used as a solvent for coatings and degreasing.

General Description

Water-white liquid.

Air & Water Reactions

Ethers tend to form unstable peroxides when exposed to oxygen. Ethyl, isobutyl, ethyl tert-butyl, and ethyl tert-pentyl ether are particularly hazardous in this respect. Ether peroxides can sometimes be observed as clear crystals deposited on containers or along the surface of the liquid.

Reactivity Profile

Ethers, such as 2-(2-HEXYLOXYETHOXY)ETHANOL can act as bases. They form salts with strong acids and addition complexes with Lewis acids. The complex between diethyl ether and boron trifluoride is an example. Ethers may react violently with strong oxidizing agents. In other reactions, which typically involve the breaking of the carbon-oxygen bond, ethers are relatively inert.

Health Hazard

Exposure can cause irritation of eyes, nose and throat.

Fire Hazard

Special Hazards of Combustion Products: Irritating vapors and toxic gases, such as carbon dioxide and carbon monoxide, may be formed when involved in fire.

Flammability and Explosibility

Non flammable

Synthesis

First, diethylene glycol monohexyl ether was reacted with sodium hydroxide to make sodium alcohol, and the made sodium alcohol used tetrabutylammonium bromide as a phase transfer catalyst, and then the synthesis reaction was carried out under the action of chloromethane to produce diethylene glycol methylhexyl ether, which was operated as follows.

Add 70g of diethylene glycol monohexyl ether (C10H22O3) to a four-necked flask equipped with a thermometer, a reflux condenser, and a stirrer, then add a certain molar ratio of alkali, and add a certain proportion of the catalyst, tetrabutylammonium bromide (C16H36BrN), under stirring. Open the valves of the Y-connecting pipe and the storage tank, ventilate the chloromethane and raise the temperature to the reaction temperature to carry out the ether condensation reaction, and the reaction time was 3.5 h. During the experimental process, record the temperature and the size of the valve opening when ventilating, and at the same time record the experimental phenomena in each time period. At the end of the reaction, add 40mL of water for washing, stirring at the same time and through the external water bath to reduce the temperature, the temperature fell to room temperature, stop stirring, let stand for a while, take the upper layer of the clarified liquid with a rubber-tipped burette in a sample bottle, and then play the gas chromatography through the Shimadzu CC-14B gas chromatograph, and based on the gas chromatograms, the conversion rate of Diethylene Glycol monohexyl ether was calculated by the area-normalization method.

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