Merck 102952 Dimethyl sulfoxide for analysis EMSURE® ACS 2.5 L
Catalogue Number	102952
Synonyms	Methanesulfinylmethane, Methyl sulfoxide, Dimethyl(oxido)sulfur, DMSO
Description	Dimethyl sulfoxide
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 102952 Dimethyl sulfoxide for analysis EMSURE® ACS

Product Information
CAS number	67-68-5
EC number	200-664-3
Grade	ACS
Hill Formula	C₂H₆OS
Chemical formula	(CH₃)₂SO
Molar Mass	78.13 g/mol
HS Code	2930 90 98
Structure formula Image

Applications
Application	Dimethyl sulfoxide for analysis EMSURE® ACS. CAS 67-68-5, chemical formula (CH₃)₂SO.

Physicochemical Information
Boiling point	189 °C (1013 hPa)
Density	1.10 g/cm3 (20 °C)
Explosion limit	1.8 - 63.0 %(V)
Flash point	87 °C
Ignition temperature	300 - 302 °C
Melting Point	18.5 °C
Saturation concentration (air)	8.0 g/m3 (20 °C)
Vapor pressure	0.6 hPa (20 °C)
Viscosity kinematic	2.14 mm2/s
Solubility	1000 g/l

Toxicological Information
LD 50 oral	LD50 Rat 28300 mg/kg
LD 50 dermal	LD50 Rat 40000 mg/kg

Safety Information according to GHS
RTECS	PV6210000
Storage class	10 - 13 Other liquids and solids
WGK	WGK 1 slightly water endangering
Disposal	1 Strongly contaminated halogen-free organic solvents: container A.

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

Transport Information
Declaration (railroad and road) ADR, RID	Kein Gefahrgut
Declaration (transport by air) IATA-DGR	No Dangerous Good
Declaration (transport by sea) IMDG-Code	No Dangerous Good

Specifications
Purity (GC)	≥ 99.9 %
Identity (IR)	conforms
Appearance	clear
Colour	≤ 10 Hazen
Titrable acid	≤ 0.0002 meq/g
Density (d 20 °C/20 °C)	1.101 - 1.103
Refractive index (n 20/D)	1.478 - 1.479
Melting point	≥ 18.0 °C
Boiling point	188 - 190 °C
Absorption	conforms
Heavy metals (as Pb)	≤ 0.0001 %
Fe (Iron)	≤ 0.0001 %
Related substances (GC)	conforms
Readily carbonizable substances	conforms
Evaporation residue	≤ 0.001 %
Water	≤ 0.1 %

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MERCK 102952.2500 - Dimethyl Sulfoxide for analysis emsure® 2,5lt.

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