1.03654
n-Heptane
hypergrade for LC-MS LiChrosolv®
Synonym(s):
Heptane
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About This Item
InChI
1S/C7H16/c1-3-5-7-6-4-2/h3-7H2,1-2H3
SMILES string
CCCCCCC
InChI key
IMNFDUFMRHMDMM-UHFFFAOYSA-N
vapor density
3.5 (vs air)
vapor pressure
40 mmHg ( 20 °C), 83 mmHg ( 37.7 °C)
product line
LiChrosolv®
assay
≥99.3% (GC)
form
liquid
autoignition temp.
433 °F
expl. lim.
7 %
greener alternative product characteristics
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technique(s)
HPLC: suitable, LC/MS: suitable
impurities
≤0.0002 meq/g Acidity, ≤0.0002 meq/g Alkalinity, ≤0.005% Water, ≤10 ppb Al (Aluminium), ≤10 ppb Ca (Calcium), ≤10 ppb Fe (Iron), ≤10 ppb Mg (Magnesium), ≤10 ppb Na (Sodium), ≤5 ppb K (Potassium)
evapn. residue
≤2.0 mg/L
transmittance
210 nm, ≥50%, 220 nm, ≥80%, 245 nm, ≥98%
refractive index
n20/D 1.387 (lit.)
Quality Level
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
storage temp.
2-30°C
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General description
Application
- Pt(PPh(3))(4) and Pt(PPh(3))(4)@IL catalyzed hydroboration of ketones.: This study explores the use of n-Heptane as a solvent in the hydroboration of ketones catalyzed by Pt(PPh(3))(4) and Pt(PPh(3))(4)@IL, demonstrating its application in organometallic chemistry and catalytic processes (Krupa et al., 2023).
- Imidazolium-based ionic liquids as dispersants to improve the stability of asphaltene in Egyptian heavy crude oil.: This research uses n-Heptane in the analysis of asphaltene stability, highlighting its role in petroleum chemistry and the development of more efficient dispersants (Ghanem et al., 2023).
- A countercurrent chromatography solvent system based on deep eutectic solvents for separation of cis- and trans-crocetin from Gardenia jasminoides Ellis.: This study employs n-Heptane in a novel solvent system for countercurrent chromatography, showcasing its utility in natural product isolation and analytical chemistry (Wen et al., 2023).
- Volatile Organic Compounds in Disposable Diapers and Baby Wipes in the US: A Survey of Products and Health Risks.: The study includes n-Heptane in the analytical methods to detect volatile organic compounds, emphasizing its importance in environmental health and safety assessments (Lin et al., 2023).
- Countercurrent chromatography separation of vitamin E isomers in a co-current mode.: This research uses n-Heptane in countercurrent chromatography to separate vitamin E isomers, demonstrating its application in nutritional chemistry and quality control (Hu et al., 2023).
Preparation Note
Analysis Note
Identity (IR): conforms
Evaporation residue: ≤ 2.0 mg/l
Water: ≤ 0.005 %
Acidity: ≤ 0.0002 meq/g
Alkalinity: ≤ 0.0002 meq/g
Al (Aluminium): ≤ 10 ppb
Ca (Calcium): ≤ 10 ppb
Fe (Iron): ≤ 10 ppb
K (Potassium): ≤ 5 ppb
Mg (Magnesium): ≤ 10 ppb
Na (Sodium): ≤ 10 ppb
Transmission (at 210 nm): ≥ 50 %
Transmission (at 220 nm): ≥ 80 %
Transmission (from 245 nm): ≥ 98 %
Suitable for LC-MS; Intensity of background mass peak based on reserpine(APCI/ESI positive): ≤ 2 ppb
Suitable for LC-MS; Intensity of background mass peak based on reserpine(APCI/ESI negative): ≤ 20 ppb
Filtered by 0.2 μm filter.
Other Notes
Legal Information
signalword
Danger
Hazard Classifications
Aquatic Acute 1 - Aquatic Chronic 1 - Asp. Tox. 1 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Central nervous system
Storage Class
3 - Flammable liquids
wgk
WGK 2
flash_point_f
24.8 °F
flash_point_c
-4 °C
Certificates of Analysis (COA)
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Global Trade Item Number
| SKU | GTIN |
|---|---|
| 1.03654.1000 | 04054839189913 |
| 1.03654.2500 | 04054839190087 |
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