N-Heptane CAS 142-82-5 yog dab tsi?
N-Heptane (CAS No. 142-82-5)yog cov kua uas tsis muaj xim, muaj nplaim taws heev nrog cov roj av- zoo li tsw. Raws li tsis yog -polar hnyav, nws pom kev siv dav hauv cov ntawv thov uas xav tau hydrocarbon nrog cov ntsiab lus kub kub thiab cov yam ntxwv hnyav, xws li cov qauv kev lag luam mus rau chemistry analytical.
N-Heptane (CAS 142-82-5) - Khoom
Molecular Formula: C₇H₁₆
Molecular Luj:100.20 g / mol
Purity:Ntau dua lossis sib npaug li 99%
Qib:Siab -Purity (tsim rau kev lag luam, chav kuaj, thiab daim duab kos duab)
Qhov tsos:Ntshiab, xim tsis muaj kua
Tsis hnov tsw:Me me, roj av -zoo li tsw
Boiling Point:98.4℃(209.1℃F)
Melting Point:-90.6 ° C (-131 ° F)
Flash Point:-4℃(24.8℃F) (kaw khob)
Ceev:0.684 g / cm³ ntawm 20 degree
Solubility:
- Hauv dej: Xyaum insoluble. ~ 0.0003% (3 ppm) ntawm 25℃.
- Dej hauv Heptane: me ntsis soluble.
- Organic Solvents: Miscible nrog feem ntau cov organic solvents xws li ethanol, diethyl ether, acetone, chloroform, thiab benzene.
Chemical Properties
- Qeb: Tsis yog -polar solvent, saturated alkane.
- Reactivity: Feem ntau ruaj khov raws li kev pom zoo cia.
- Reactive pawg: Reacts vigorously nrog cov muaj zog oxidizing agents (xws li, nitric acid, chlorates) ua rau muaj hluav taws kub thiab tawg.
- Stability: Stable, tab sis heev flammable.
- Kev ntsuas octane: txhais tau tias yog 0 octane ntawm qhov ntsuas octane rau roj av.
N-Heptane (CAS 142-82-5) - Siv
Industrial Solvent:Kev siv dav hauv kev tsim cov xim, txheej, nplaum, thiab inks vim nws cov kuab tshuaj zoo heev rau cov khoom tsis yog -polar.
Pharmaceutical & Chemical Synthesis:Ua cov tshuaj tiv thaiv hnyav, cov kuab tshuaj rho tawm, lossis cov kuab tshuaj crystallization hauv kev tsim cov khoom xyaw tshuaj nquag (APIs) thiab lwm yam tshuaj zoo.
Octane Rating Standard:Heptane tau muab qhov ntsuas octane ntawm 0 thiab siv nrog Isooctane (100 octane) ua cov roj siv tseem ceeb los txiav txim siab octane naj npawb ntawm cov roj av.
Laboratory Reagent:Siv dav hauv analytical chemistry, nrog rau cov roj chromatography, spectroscopy, thiab raws li ib tug diluent los yog extraction hnyav.
Rubber & Plastics Kev Lag Luam:Ua hauj lwm raws li cov kuab tshuaj los yog diluent hauv kev ua cov roj hmab thiab cov yas.
N-Heptane (CAS 142-82-5) - Health
Flammability: Heev heev Flammable kua thiab Vapor.
N-Heptane Safety Data Sheet
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