1.03654

n-Heptane

hypergrade for LC-MS LiChrosolv^®

• 동의어(들): Heptane
• Linear Formula: CH₃(CH₂)₅CH₃
• CAS Number: 142-82-5
• Molecular Weight: 100.20
• Beilstein: 1730763
• MDL number: MFCD00009544
• UNSPSC 코드: 41116105
• EC 인덱스 번호: 205-563-8
• NACRES: NA.03
• bp: 98 °C (lit.)
• vapor pressure: 40 mmHg ( 20 °C); 83 mmHg ( 37.7 °C)

속성

• vapor density: 3.5 (vs air)
• Quality Level: 100
• vapor pressure: 40 mmHg ( 20 °C); 83 mmHg ( 37.7 °C)
• 제품 라인: LiChrosolv^®
• 분석: ≥99.3% (GC)
• 양식: liquid
• autoignition temp.: 433 °F
• expl. lim.: 7 %
• 환경친화적 대안 제품 특성: Safer Solvents and Auxiliaries; Learn more about the Principles of Green Chemistry.
• sustainability: Greener Alternative Product
• 기술: HPLC: suitable; LC/MS: suitable
• 불순물: ≤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)
• 증발 잔류물: ≤2.0 mg/L
• 투과: 210 nm, ≥50%; 220 nm, ≥80%; 245 nm, ≥98%
• refractive index: n20/D 1.387 (lit.)
• bp: 98 °C (lit.)
• mp: −91 °C (lit.)
• 전이 온도: flash point -4 °C
• solubility: 0.05 g/L
• density: 0.684 g/mL at 25 °C (lit.)
• 환경친화적 대안 카테고리: Aligned
• 저장 온도: 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

설명

일반 설명

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.

애플리케이션

• 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).

제조 메모

Product filtered through a 0.2 μm filter

분석 메모

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.

기타 정보

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

법적 정보

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

안전성 정보

• 픽토그램: GHS02,GHS07,GHS08,GHS09
• 신호어: Danger
• 유해 및 위험 성명서: H225 - H304 - H315 - H336 - H410
• 예방조치 성명서: 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
• 표적 기관: Central nervous system
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 2
• Flash Point (°F): 24.8 °F
• Flash Point (°C): -4 °C