1.09671

Supelco

1,4-Dioxane

for analysis EMSURE® ACS,ISO

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

storage conditions

Store at +5°C to +30°C.

Quality Level

grade

ACS reagent

Agency/Method

reag. ISO

vapor pressure

41 hPa ( 20 °C)

assay

≥99.5% (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)

impurities

≤0.0008 meq/g Acidity
≤0.005% Acetaldehyde
≤0.005% Peroxide (as H2O2)
≤0.01% Carbonyl compounds (as CO)
≤0.05% Formaldehyde

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

Related Categories

General description

EMSURE grade solvents are suitable for a broad spectrum of classical lab applications, and are frequently used in regulated and highly demanding lab applications. EMSURE provides worldwide best and most extensive product specifications. We declare our EMSURE range to be in compliance with the ACS, with the reagent part of the European Pharmacopoeia (Reag. Ph Eur) and also with the ISO standards.

Analysis Note

Purity (GC): ≥ 99.5 %
Identity (IR): conforms
Color: ≤ 10 Hazen
Acidity: ≤ 0.0008 meq/g
Density (d 20 °C/ 4 °C): 1.030 - 1.035
Melting point: ≥ 11.0 °C
Formaldehyde: ≤ 0.05 %
Acetaldehyde: ≤ 0.005 %
Peroxide (as H₂O₂): ≤ 0.005 %
Carbonyl compounds (as CO): ≤ 0.01 %
Evaporation residue: ≤ 0.001 %
Water: ≤ 0.05 %
Al (Aluminium): ≤ 0.00005 %
B (Boron): ≤ 0.000002 %
Ba (Barium): ≤ 0.00001 %
Ca (Calcium): ≤ 0.00005 %
Cd (Cadmium): ≤ 0.000005 %
Co (Cobalt): ≤ 0.000002 %
Cr (Chromium): ≤ 0.000002 %
Cu (Copper): ≤ 0.000002 %
Fe (Iron): ≤ 0.00001 %
Mg (Magnesium): ≤ 0.00001 %
Mn (Manganese): ≤ 0.000002 %
Ni (Nickel): ≤ 0.000002 %
Pb (Lead): ≤ 0.00001 %
Sn (Tin): ≤ 0.00001 %
Zn (Zinc): ≤ 0.00001 %
Stabilized with 25 ppm 2,6-Di-tert-butyl-4-methylphenol (BHT).
ACS, ISO-reagent

Legal Information

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

Signal Word

Danger

Hazard Statements

hazcat

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

Target Organs

Respiratory system

Supp Hazards

EUH019 - EUH066

storage_class_code

3 - Flammable liquids

WGK Germany

WGK 2

Flash Point(F)

51.8 °F - closed cup

Flash Point(C)

11 °C - closed cup

Certificate of Analysis

Certificate of Origin

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