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1.04390

n-Heptane

Name: n-Heptane
Brand: MM

for liquid chromatography LiChrosolv^®

Synonym(s):

Heptane

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About This Item

Linear Formula:

CH₃(CH₂)₅CH₃

CAS Number:

142-82-5

Molecular Weight:

100.20

UNSPSC Code:

12191502

NACRES:

NA.03

EC Index Number:

205-563-8

MDL number:

MFCD00009544

Beilstein/REAXYS Number:

1730763

Assay:

≥99.3% (GC)

Technique(s):

HPLC: suitable

Bp:

98 °C (lit.)

Vapor pressure:

40 mmHg ( 20 °C), 83 mmHg ( 37.7 °C)

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Properties

vapor density

3.5 (vs air)

Quality Level

100

vapor pressure

40 mmHg ( 20 °C), 83 mmHg ( 37.7 °C)

description

isocratic

product line

LiChrosolv^®

assay

≥99.3% (GC)

form

liquid

autoignition temp.

433 °F

potency

>5000 mg/kg LD₅₀, oral (Rat), >2000 mg/kg LD₅₀, skin (Rabbit)

expl. lim.

7 %

greener alternative product characteristics

Safer Solvents and Auxiliaries
Learn more about the Principles of Green Chemistry.

sustainability

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technique(s)

HPLC: suitable

impurities

≤0.0002 meq/g Acidity, ≤0.0002 meq/g Alkalinity, ≤0.005% Water

evapn. residue

≤2.0 mg/L

transmittance

210 nm, ≥50%, 220 nm, ≥80%, 245 nm, ≥98%

refractive index

n20/D 1.387 (lit.)

bp

98 °C (lit.)

mp

−91 °C (lit.)

transition temp

flash point -4 °C

solubility

0.05 g/L

density

0.684 g/mL at 25 °C (lit.)

greener alternative category

Aligned

storage temp.

2-30°C

SMILES string

CCCCCCC

InChI

1S/C7H16/c1-3-5-7-6-4-2/h3-7H2,1-2H3

InChI key

IMNFDUFMRHMDMM-UHFFFAOYSA-N

Description

General description

LiChrosolv^® solvents exhibit high degree of UV transmittance, low particle count, low acidity and alkalinity and low evaporation residue level. This makes them suitable for reproducible separations.

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. Heptane is an environmentally preferable solvent compared to hexane and thus align with "Safer Solvents and Auxiliaries". Click here for more information.

Application

Intended for U/HPLC and LC-MS/MS applications.
Also reported for use as a component of extraction mixture in screening drugs of abuse in urine samples by GC-MS.

Features and Benefits

suitability tested and specified for UHPLC-MS and UHPLC-UV: for analytical flexibility
specified quality in positive and negative electrospray ionization (ESI) and atmospheric-pressure chemical ionization-mass spectrometry (APCI-MS) for lowest detection limits and confidence in analyses in all important MS modes (test 1)

—ESI/APCI (+) < 2 ppb
—ESI/APCI (-) < 10 ppb

lowest impurity profile: for interference-free baselines (test 2)
microfiltered through 0.2 μm filter (test 3) to provide:

—a long lifespan to filters and mechanical parts of HPLC systems
—reduced risk of column clogging

packaged in borosilicate glass bottles for minimized contamination with metal ions
lowest levels of trace metal impurities to minimize metal ion adduct formation

—<5ppb

lowest level of polyethylene glycol (PEG) impurities in UHPLC-MS solvent lineup (PEG S/N signal-to-noise-ratio < 50)

Preparation Note

Product filtered through a 0.2 μm filter

Analysis Note

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

Other Notes

Explore various lab safety accessories and equipment for safe handling of solvents to increase your safety level from the first usage.

Legal Information

LICHROSOLV is a registered trademark of Merck KGaA, Darmstadt, Germany

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pictograms

GHS02,GHS08,GHS07,GHS09

signalword

Danger

hcodes

H225,H304,H315,H336,H410

pcodes

P210 - P233 - P273 - P301 + P310 - P303 + P361 + P353 - P331

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Asp. Tox. 1 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk

WGK 2

flash_point_f

24.8 °F - closed cup

flash_point_c

-4 °C - closed cup

Certificates of Analysis (COA)

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