Merck 104390 n-Heptane for liquid chromatography LiChrosolv® 2.5 L
Catalogue Number	104390
Description	n-Heptane
Overview	With their high degree of UV transmittance, low particle count, low acidity and alkalinity and low evaporation residue level, LiChrosolv® solvents are ideal for reproducible separations. Since separations are normally carried out under gradient conditions in analytical HPLC, we offer solvents in "gradient grade" as well as "isocratic grade". This enables to minimize the gradient effect of the solvent involved.

Merck 104390 n-Heptane for liquid chromatography LiChrosolv

Product Information
CAS number	142-82-5
EC index number	601-008-00-2
EC number	205-563-8
Hill Formula	C₇H₁₆
Chemical formula	CH₃(CH₂)₅CH₃
Molar Mass	100.21 g/mol
HS Code	2901 10 00
Structure formula Image
Quality Level	MQ100

Applications
Application	n-Heptane for liquid chromatography LiChrosolv®. CAS 142-82-5, EC Number 205-563-8, chemical formula CH₃(CH₂)₅CH₃.

Physicochemical Information
Boiling point	97 - 98 °C (1013 hPa)
Density	0.68 g/cm3 (15 °C)
Explosion limit	1 - 7 %(V)
Flash point	-4 °C
Ignition temperature	215 °C
Melting Point	-91.0 °C
Vapor pressure	48 hPa (20.0 °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	MI7700000
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 1206 , 3, II
Declaration (transport by air) IATA-DGR	UN 1206 , 3, II
Declaration (transport by sea) IMDG-Code	UN 1206 , 3, II, Marine Pollutant: P

Specifications
Purity (GC)	≥ 99.3 %
Identity (IR)	conforms
Evaporation residue	≤ 2.0 mg/l
Water	≤ 0.005 %
Acidity	≤ 0.0002 meq/g
Alkalinity	≤ 0.0002 meq/g
Transmission (at 210 nm)	≥ 50 %
Transmission (at 220 nm)	≥ 80 %
Transmission (from 245 nm)	≥ 98 %
Filtered by 0.2 µm filter

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