Merck
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1.03132

Supelco

1,4-Dioxane

for liquid chromatography LiChrosolv®

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Synonym(s):
1,4-Dioxane, Glycolethylether, 1,4-Diethylene dioxide, 1,4-Dioxacyclohexane
Empirical Formula (Hill Notation):
C4H8O2
CAS Number:
Molecular Weight:
88.11
MDL number:
EC Index Number:
204-661-8

vapor pressure

41 hPa ( 20 °C)

Quality Level

product line

LiChrosolv®

grade

isocratic

Assay

≥99.8% (GC)

form

liquid

autoignition temp.

300 °C

potency

5200 mg/kg LD50, oral (Rat)
7600 mg/kg LD50, skin (Rabbit)

expl. lim.

1.7-25.2 % (v/v)

technique(s)

HPLC: suitable

impurities

≤0.0002 meq/g Acidity
≤0.0002 meq/g Alkalinity
≤0.02% Water

evapn. residue

≤2.0 mg/L

transmittance

245 nm, ≥50%
270 nm, ≥80%
300 nm, ≥98%

pH

6-8 (20 °C, 500 g/L in H2O)

bp

101.5 °C/1013 hPa

mp

12 °C

transition temp

flash point 11 °C

density

1.03 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C4H8O2/c1-2-6-4-3-5-1/h1-4H2

Inchi Key

RYHBNJHYFVUHQT-UHFFFAOYSA-N

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1.09671D201863296309
1,4-Dioxane for liquid chromatography LiChrosolv®

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1,4-Dioxane for analysis EMSURE® ACS,ISO

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grade

isocratic

grade

-

grade

-

grade

-

assay

≥99.8% (GC)

assay

≥99.5% (GC)

assay

≥99%

assay

99.8%

form

liquid

form

liquid

form

liquid

form

liquid

autoignition temp.

300 °C

autoignition temp.

300 °C

autoignition temp.

356 °F

autoignition temp.

356 °F

expl. lim.

1.7-25.2 % (v/v)

expl. lim.

1.7-25.2 % (v/v)

expl. lim.

22 %

expl. lim.

22 %

General description

With their high degree of UV transmittance, low particle count, low acidity and alkalinity and low evaporation residue level, LiChrosolv solvents are ideal for reproducible separations. Since separations are normally carried out under gradient conditions in analytical HPLC, we offer solvents in "gradient grade" as well as "isocratic grade". This enables to minimize the gradient effect of the solvent involved.

Preparation Note

Product filtered through a 0.2 μm filter

Analysis Note

Purity (GC): ≥ 99.8 %
Identity (IR): conforms
Evaporation residue: ≤ 2.0 mg/l
Water: ≤ 0.02 %
Acidity: ≤ 0.0002 meq/g
Alkalinity: ≤ 0.0002 meq/g
Transmission (at 245 nm): ≥ 50 %
Transmission (at 270 nm): ≥ 80 %
Transmission (from 300 nm): ≥ 98 %
Filtered by 0.2 µm filter

Legal Information

LICHROSOLV is a registered trademark of Merck KGaA, Darmstadt, Germany

Signal Word

Danger

Hazard Statements

Hazard Classifications

Carc. 1B - Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3

Target Organs

Respiratory system

Supplementary Hazards

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

51.8 °F - closed cup

Flash Point(C)

11 °C - closed cup


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Protocols

Solvent Systems for Thin-layer Chromatography of Novabiochem Products

A guide to create solvent systems used for the thin-layer chromatography assay of Novabiochem products.

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