Merck 109666 Cyclohexane for analysis EMSURE® ACS, ISO, Reag. Ph Eur
Catalogue Number	109666
Synonyms	Hexahydrobenzene, Hexamethylene, Naphthene
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	110-82-7
EC index number	601-017-00-1
EC number	203-806-2
Grade	ACS,ISO,Reag. Ph Eur
Hill Formula	C₆H₁₂
Molar Mass	84.16 g/mol
HS Code	2902 11 00
Structure formula Image
Quality Level	MQ300

Physicochemical Information
Boiling point	81 °C (1013 hPa)
Density	0.774 g/cm3 (25 °C)
Explosion limit	1.2 - 8.3 %(V)
Flash point	-20 °C
Ignition temperature	260 °C
Melting Point	6.47 °C
Vapor pressure	124 hPa (24 °C)
Viscosity kinematic	1.26 mm2/s (20 °C)
Solubility	0.05 g/l

Toxicological Information
LD 50 oral	LD50 Rat > 5000 mg/kg
LD 50 dermal	LD50 Rabbit > 2000 mg/kg

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H225: Highly flammable liquid and vapour. H304: May be fatal if swallowed and enters airways. H315: Causes skin irritation. H336: May cause drowsiness or dizziness. H410: Very toxic to aquatic life with long lasting effects.
Precautionary Statement(s)	P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P233: Keep container tightly closed. P273: Avoid release to the environment. P301 + P310: IF SWALLOWED: Immediately call a POISON CENTER/doctor. P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water. P331: Do NOT induce vomiting. P403 + P233: Store in a well-ventilated place. Keep container tightly closed.
Signal Word	Danger
RTECS	GU6300000
Storage class	3 Flammable liquids
WGK	WGK 2 obviously hazardous to water
Disposal	1 Strongly contaminated halogen-free organic solvents: container A.

Safety Information
Categories of danger	highly flammable, irritant, harmful, dangerous for the environment

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

Transport Information
Declaration (railroad and road) ADR, RID	UN 1145 , 3, II
Declaration (transport by air) IATA-DGR	UN 1145 , 3, II
Declaration (transport by sea) IMDG-Code	UN 1145 , 3, II

Specifications
Purity (GC)	≥ 99.5 %
Identity (IR)	conforms
Appearance	clear
Color	≤ 10 Hazen
Melting point	≥ 6.0 °C
Density (d 20 °C/20 °C)	0.779 - 0.781
Boiling point	80 - 81 °C
Acidity	≤ 0.0003 meq/g
Aromatics (as benzene)	≤ 0.05 %
Cyclohexene (GC)	≤ 0.05 %
Ethanol (GC)	≤ 0.01 %
Readily carbonizable substances	conforms
Al (Aluminium)	≤ 0.00005 %
B (Boron)	≤ 0.000002 %
Ba (Barium)	≤ 0.00001 %
Ca (Calcium)	≤ 0.00005 %
Cd (Cadmium)	≤ 0.000005 %
Co (Cobalt)	≤ 0.000002 %
Cr (Chromium)	≤ 0.000002 %
Cu (Copper)	≤ 0.000002 %
Fe (Iron)	≤ 0.00001 %
Mg (Magnesium)	≤ 0.00001 %
Mn (Manganese)	≤ 0.000002 %
Ni (Nickel)	≤ 0.000002 %
Pb (Lead)	≤ 0.00001 %
Sn (Tin)	≤ 0.00001 %
Zn (Zinc)	≤ 0.00001 %
Evaporation residue	≤ 0.001 %
Water	≤ 0.01 %

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Merck 109666 Cyclohexane for analysis EMSURE® ACS, ISO, Reag. Ph Eur

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