34873

Heptane

suitable for HPLC, ≥99%

• Linear Formula: CH₃(CH₂)₅CH₃
• CAS Number: 142-82-5
• Molecular Weight: 100.20
• Beilstein: 1730763
• EC Number: 205-563-8
• MDL number: MFCD00009544
• UNSPSC 코드: 41116105
• PubChem Substance ID: 329755080
• NACRES: NA.06
• bp: 98 °C (lit.)
• vapor pressure: 40 mmHg ( 20 °C); 83 mmHg ( 37.7 °C)

속성

• Grade: HPLC grade
• Quality Level: 100
• vapor density: 3.5 (vs air)
• vapor pressure: 40 mmHg ( 20 °C); 83 mmHg ( 37.7 °C)
• 분석: ≥99%
• 양식: liquid
• autoignition temp.: 433 °F
• 정제법: filtration through 0.2μm
• 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
• 불순물: ≤0.001% free acid (as CH₃COOH); ≤0.01% water (Karl Fischer); ≤1 ppb fluorescence (quinine) at 254 nm; ≤1 ppb fluorescence (quinine) at 365 nm
• 증발 잔류물: ≤0.0003%
• 색상: APHA: ≤10
• refractive index: n20/D 1.387 (lit.)
• bp: 98 °C (lit.)
• mp: −91 °C (lit.)
• density: 0.684 g/mL at 25 °C (lit.)
• UV 흡수: λ: 200 nm A_max: ≤0.70; λ: 210 nm A_max: ≤0.40; λ: 220 nm A_max: ≤0.10; λ: 230 nm A_max: ≤0.05; λ: 245 nm A_max: ≤0.01; λ: 260 nm A_max: ≤0.01; λ: 400 nm A_max: ≤0.01
• 환경친화적 대안 카테고리: Aligned,
• 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 and greener alternative to hexane for chromatographic purification and thus has been enhanced for "Safer Solvents and Auxiliaries". Click here for more information.
Tools and techniques for solvent selection: green solvent selection guides.

Heptane (n-Heptane) is a linear hydrocarbon. Its cetane number has been reported to be 56.

애플리케이션

Greener alternatives to Hexane in HPLC.

Heptane (n-heptane) may be used to compose the solvent mixtures for the purification of N-acylpyrrolidine derivatives of fatty acid methyl esters (FAMEs) by TLC (Thin Layer Chromatography).

특징 및 장점

Greener alternative for hexane

기타 정보

What is a green solvent? A comprehensive framework for the environmental assessment of solvents

Tools and techniques for solvent selection: green solvent selection guides

Important notice
The article number 34873-4X2.5L will be discontinued. Please order the single bottle 34873-2.5L which is physically identical with the same exact specifications.

추천 제품

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안전성 정보

• 픽토그램: GHS02,GHS08,GHS07,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 - closed cup
• Flash Point (°C): -4 °C - closed cup