دی متیل سولفوکساید 102952 مرک

Description
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.

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 %