Merck 109621 Ethylene glycol for analysis EMSURE® Reag. Ph Eur, Reag. USP
Catalogue Number	109621
Synonyms	Glycol, 1,2-Ethanediol
Description	Ethylene glycol
Overview	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.

MERCK 109621 Ethylene glycol for analysis EMSURE® Reag. Ph Eur, Reag. USP

Product Informat on
CAS number	107-21-1
EC index number	603-027-00-1
EC number	203-473-3
Grade	Reag. Ph Eur,Reag. USP
Hill Formula	C₂H₆O₂
Chemical formula	HOCH₂CH₂OH
Molar Mass	62.07 g/mol
HS Code	2905 31 00
Structure formula Image

Physicochemical Information
Boiling point	197.6 °C (1013 hPa)
Density	1.11 g/cm3 (20 °C)
Explosion limit	3.2 - 15.3 %(V)
Flash point	111 °C
Ignition temperature	410 °C
Melting Point	-14 - -10 °C
pH value	6 - 7.5 (100 g/l, H₂O, 20 °C)
Vapor pressure	0.053 hPa (20 °C)
Solubility	1000 g/l

Safety Information according to GHS
Hazard Statement(s)	H302: Harmful if swallowed. H373: May cause damage to organs through prolonged or repeated exposure if swallowed.
Precautionary Statement(s)	P314: Get medical advice/ attention if you feel unwell.
Signal Word	Warning
Storage class	10 - 13 Other liquids and solids
WGK	WGK 1 slightly hazardous to water

Safety Information
Categories of danger	harmful
R Phrase	R 22-48/22 Harmful if swallowed.Harmful: danger of serious damage to health by prolonged exposure if swallowed.
S Phrase	S 22-36 Do not breathe dust.Wear suitable protective clothing.

Storage and Shipping Information
Storage	Store at +5 °C to +30 °C.

Specifications
Purity (GC)	≥ 99.5 %
Identity (IR)	conforms
Color	≤ 10 Hazen
Acidity (as CH₃COOH)	≤ 0.001 %
Density (d 20 °C/20 °C)	1.113 - 1.115
Density (d 25 °C/25 °C)	1.10 - 1.12
Refractive index (n 20/D)	1.431 - 1.433
Melting point	-14 - -10 °C
Boiling point	196.5 - 198.5 °C
Chloride (Cl)	≤ 0.00002 %
Fe (Iron)	≤ 0.00005 %
Formaldehyde	≤ 0.005 %
Substances reducing potassium permanganate (as O)	≤ 0.0003 %
Readily carbonizable substances	conforms
Sulfated ash	≤ 0.005 %
Water	≤ 0.1 %

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