1.03654

Heptane

hypergrade for LC-MS LiChrosolv^®

• Synonyme(s) : Heptane
• Formule linéaire : CH₃(CH₂)₅CH₃
• Numéro CAS: 142-82-5
• Poids moléculaire : 100.20
• Numéro Beilstein : 1730763
• Numéro MDL: MFCD00009544
• Code UNSPSC : 41116105
• Numéro de classement CE : 205-563-8
• Nomenclature NACRES : NA.03

Propriétés

• Densité de vapeur: 3.5 (vs air)
• Niveau de qualité: 100
• Pression de vapeur: 40 mmHg ( 20 °C); 83 mmHg ( 37.7 °C)
• Gamme de produits: LiChrosolv^®
• Pureté: ≥99.3% (GC)
• Forme: liquid
• Température d'inflammation spontanée: 433 °F
• Limite d'explosivité: 7 %
• Caractéristiques du produit alternatif plus écologique: Safer Solvents and Auxiliaries; Learn more about the Principles of Green Chemistry.
• sustainability: Greener Alternative Product
• Technique(s): LC/MS: suitable
• Impuretés: ≤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)
• Résidus d'évap.: ≤2.0 mg/L
• Transmittance: 210 nm, ≥50%; 220 nm, ≥80%; 245 nm, ≥98%
• Indice de réfraction: n20/D 1.387 (lit.)
• Point d'ébullition: 98 °C (lit.)
• Pf: −91 °C (lit.)
• Température de transition: flash point -4 °C
• Solubilité: 0.05 g/L
• Densité: 0.684 g/mL at 25 °C (lit.)
• Autre catégorie plus écologique: Aligned
• Température de stockage: 2-30°C
• Chaîne SMILES: CCCCCCC
• InChI: 1S/C7H16/c1-3-5-7-6-4-2/h3-7H2,1-2H3
• Clé InChI: IMNFDUFMRHMDMM-UHFFFAOYSA-N

Description

Description générale

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

• 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).

Notes préparatoires

Product filtered through a 0.2 μm filter

Remarque sur l'analyse

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
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.

Autres remarques

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

Informations légales

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

Informations sur la sécurité

• Pictogrammes: GHS02,GHS07,GHS08,GHS09
• Mention d'avertissement: Danger
• Mentions de danger: H225 - H304 - H315 - H336 - H410
• Conseils de prudence: P210 - P233 - P273 - P301 + P310 - P303 + P361 + P353 - P331
• Classification des risques: Aquatic Acute 1 - Aquatic Chronic 1 - Asp. Tox. 1 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3
• Organes cibles: Central nervous system
• Code de la classe de stockage: 3 - Flammable liquids
• Classe de danger pour l'eau (WGK): WGK 2
• Point d'éclair (°F): 24.8 °F
• Point d'éclair (°C): -4 °C