اتیلن گلایکول 109621 مرک

Description
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.

Product Information
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

Applications
Application	Ethylene glycol for analysis EMSURE® Reag. Ph Eur,Reag. USP. CAS 107-21-1, EC Number 203-473-3, chemical formula HOCH₂CH₂OH.

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 Pictogram(s)
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 water endangering

Safety Information
Hazard Symbols	Harmful
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
Colour	≤ 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 %