270512

Heptane

HPLC grade, ≥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 Code: 12190000
• PubChem Substance ID: 329752946

Properties

• grade: HPLC grade
• vapor density: 3.5 (vs air)
• vapor pressure: 40 mmHg ( 20 °C); 83 mmHg ( 37.7 °C)
• Assay: ≥99%
• form: liquid
• autoignition temp.: 433 °F
• purified by: glass distillation
• expl. lim.: 7 %
• technique(s): HPLC: suitable
• impurities: <0.010% water
• evapn. residue: <0.0003%
• refractive index: n20/D 1.387 (lit.)
• bp: 98 °C (lit.); 98 °C
• mp: −91 °C (lit.)
• solubility: water: insoluble
• density: 0.684 g/mL at 25 °C (lit.)
• λ: H₂O reference
• UV absorption: λ: 197 nm A_max: 1.00; λ: 210 nm A_max: 0.40; λ: 220 nm A_max: 0.15; λ: 230 nm A_max: 0.05; λ: 260-400 nm A_max: 0.01
• SMILES string: CCCCCCC
• InChI: 1S/C7H16/c1-3-5-7-6-4-2/h3-7H2,1-2H3
• InChI key: IMNFDUFMRHMDMM-UHFFFAOYSA-N

Safety Information

• Pictograms: GHS02,GHS08,GHS07,GHS09
• Signal Word: Danger
• Hazard Statements: H225,H304,H315,H336,H410
• Precautionary Statements: 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: 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
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves