Merck 116743 1000 Dimethyl Sulfoxide Extra Pure 1 LT.

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Description
Catalogue Number	116743
Synonyms	Methanesulfinylmethane, Methyl sulfoxide, Dimethyl(oxido)sulfur, DMSO
Description	Dimethyl sulfoxide
Overview	EMPLURA® is our low-cost alternative to high-purity qualities. With EMPLURA® we offer a range of solvents for a plurality of basic applications in non-regulated industries and for less demanding applications, preparative laboratory work and cleaning purposes. EMPLURA® solvents provide adequate specifications with the most important parameters.

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Product Information
CAS number	67-68-5
EC number	200-664-3
Hill Formula	C₂H₆OS
Chemical formula	(CH₃)₂SO
Molar Mass	78.13 g/mol
HS Code	2930 90 98
Structure formula Image
Quality Level	MQ200

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Physicochemical Information
Boiling point	189 °C (1013 hPa)
Density	1.1 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	0.55 hPa (20 °C)
Viscosity kinematic	2.14 mm2/s
Solubility	1000 g/l

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

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

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Storage and Shipping Information
Storage	Store at +2°C to +30°C.

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Specifications
Purity (GC)	≥ 99.0 %
Identity (IR)	conforms
Free acid (as CH₃COOH)	≤ 0.001 %
Density (d 20 °C/ 4 °C)	1.099 - 1.101
Melting point	≥ 18.0 °C
Related substances (GC)	conforms
Readily carbonizable substances	conforms
Water	≤ 0.2 %
	≤ 0.2 %