Merck
All Photos(1)

DX2091

Supelco

p-Dioxane

OmniSolv®

Synonym(s):
p-Dioxane, 1,4-Dioxane, 1
Linear Formula:
-O(CH2)2O(CH2)2-
CAS Number:
MDL number:
EC Index Number:
204-661-8

Quality Level

vapor pressure

41 hPa ( 20 °C)

product line

OmniSolv®

assay

≥99.9% (GC)

form

liquid

shelf life

12 mo. (from manufacture date)

technique(s)

HPLC: suitable
LC/MS: suitable
gas chromatography (GC): suitable

impurities

≤0.05% Water (H2O)
≤2 mg/L Peroxide (as H2O2)

evapn. residue

≤1 mg/L

color

clear colorless,





refractive index

n20/D 1.4206-1.4226

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

UV cutoff

≤215 nm

UV absorption

λ: 215 nm Amax: ≤1.00
λ: 250 nm Amax: ≤0.300
λ: 300 nm Amax: ≤0.020
λ: 350 nm Amax: ≤0.005
λ: 400 nm Amax: ≤0.005

shipped in

ambient

storage temp.

no temp limit

InChI

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

InChI key

RYHBNJHYFVUHQT-UHFFFAOYSA-N

Packaging

1, 4 l in Glas bottle pre packed

Application

OmniSolv®

Preparation Note

Product filtered through a 0.2 μm filter

Analysis Note

Expiration dateExp 12 months from mfg dateAssay (GC)99.9% minBoiling range101-102°CEvaporation residue1mg/L maxFiltered through 0.2 µm filterTo pass testPeroxide (as H2O2)2mg/L maxRefractive index (n 20/D)1.4206-1.4226UV Abs. at 215 nm1.00AU maxUV Abs. at 250 nm0.300AU maxUV Abs. at 300 nm0.020AU maxUV Abs. at 350 nm0.005AU maxUV Abs. at 400 nm0.005AU maxUV Cut-off215nm maxWater (H2O)0.05% max

Legal Information

OMNISOLV 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 2

Flash Point(F)

51.8 °F - closed cup

Flash Point(C)

11 °C - closed cup

Certificate of Analysis

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Certificate of Quality

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