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Merck
CN

8.08619

Tetraethylene glycol

for synthesis

Synonym(s):

Tetraethylene glycol, Tetraglycol

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About This Item

Linear Formula:
HO(CH2CH2O)4H
CAS Number:
Molecular Weight:
194.23
UNSPSC Code:
12352104
EC Index Number:
203-989-9
NACRES:
NA.22
MDL number:
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vapor pressure

0.01 hPa ( 20 °C)

Quality Level

assay

≥98.0% (GC)

form

liquid

autoignition temp.

340 °C (DIN 51794)

potency

>18056 mg/kg LD50, oral (Rat), >18056 mg/kg LD50, skin (Rabbit)

expl. lim.

0.5-3.4 % (v/v)

pH

8.5-9.0 (20 °C, 500 g/L in H2O)

kinematic viscosity

50.13 cSt(20.65 °C)

bp

327-328 °C/1013 hPa

mp

-9.4 °C

transition temp

flash point 204 °C

density

1.12 g/cm3 at 20 °C

storage temp.

2-30°C

SMILES string

O(CCOCCO)CCOCCO

InChI

1S/C8H18O5/c9-1-3-11-5-7-13-8-6-12-4-2-10/h9-10H,1-8H2

InChI key

UWHCKJMYHZGTIT-UHFFFAOYSA-N

Analysis Note

Colour (visual): colorless
Appearance of substance (visual): clear
Assay (GC, area%): ≥ 98.0 % (a/a)
Density (d 20 °C/ 4 °C): 1.121 - 1.124
Identity (IR): passes test
Water (K. F.): ≤ 0.3 %


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Storage Class

10 - Combustible liquids

wgk

WGK 2

flash_point_f

359.6 °F - Pensky-Martens closed cup

flash_point_c

182 °C - Pensky-Martens closed cup



Certificates of Analysis (COA)

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Global Trade Item Number

SKUGTIN
808619100004022536401164