Noadecane CAS 629 92 5 Phase Transition

Noadecane CAS 629 92 5 Phase Transition

n-Nonadecane(CAS:629-92-5,UN No.1325, molecular formula C₁₉H₄₀) yog cov khoom siv dawb dawb lossis pob tshab kua nplaum nrog cov roj av tsw qab.Factory- cov ntaub ntawv ncaj qha nrog cov ntaub ntawv zoo tshaj plaws, tsim nyog rau cov ntaub ntawv zoo tshaj plaws thiab cov khoom zoo N-N. cov neeg yuav khoom nrhiav kev koom tes ntev.
Xa kev nug
Hauj lwm lawm
Kev tsis

n-Nonadecane

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Cov ntaub ntawv yooj yim

CAS Nr .: 629-92-5

Molecular Formula: \\(\\boldsymbol{C_{19}H_{40}}\\)

Molecular Luj: 268.53

Qeb: Ncaj- saw saturated n-alkane nrog 19 carbon atoms

I. Physical and Chemical Properties

Cov tsos mob tsis muaj xim oily kua thaum kub tshaj 32.1 degree; dawb waxy khoom thaum kub qis dua 32.1 degree.

Qhov kub thiab txias

Melting Point: 32.1 degree

Boiling Point: 328.1℃(ntawm atmospheric siab)

Flash Point: 171 degree

Qhov ceev thiab Refractive Index Cov kua ntom ntom ntawm 25℃: 0.780 g/mL Refractive Index \\(n_D^{20}\\): 1.4410

Solubility Xyaum insoluble hauv dej; Soluble hauv cov kuab tshuaj organic xws li diethyl ether, toluene, roj av ether thiab kub ethanol.

Chemical Characteristics Chemically ruaj khov ntawm ambient kub, inert rau acids thiab alkalis. Ua tiav combustion ntawm qhov kub siab ua rau carbon dioxide thiab dej. Khaws kom deb ntawm cov oxidants muaj zog.

II. Cov ntawv thov tseem ceeb

Phase Change Energy Storage Materials Nrog rau theem kev hloov pauv kub ntawm 32℃thiab siab latent cua sov, nws yog siv rau hauv cov ntaub ntawv thermostatic, lub tsev cia lub zog, roj teeb kub tswj thiab txias - chains thauj mus los ntawm cov tshuaj lom neeg.

Reference Standard for Gas Chromatography Calibration reference for hydrocarbon retention index (retention index=1900), siv rau kev soj ntsuam zoo thiab ntau yam ntawm cov khoom roj thiab hydrocarbon sib tov; kuj tseem siv tau raws li qis- ntshav chromatographic nyob ruaj khov theem.

Muaj Additives Inert roj- theem nruab nrab cov tshuaj tiv thaiv, eco- cov roj nplua nyeem zoo thiab tso tawm tus neeg sawv cev hloov cov roj ntxhia; txheem siv cov khoom siv rau kev tshawb nrhiav roj & roj.

III. Kev nyab xeeb thiab khaws cia

Cov Khoom Muaj Teeb Meem

Combustible tshuaj uas generates flammable vapor nyob rau hauv high kub. Kev sib cuag ntev ua rau tawv nqaij me ntsis; hnyav nqus pa ntawm vapor yuav ua rau kiv taub hau. Ntev - lub sij hawm los yog rov tshwm sim tuaj yeem ua rau lub cev puas tsuaj.

Kev Cia & Kev Thauj Mus Los

Khaws thiab khaws cia rau hauv qhov chaw txias thiab qhuav nrog qhov kub thiab txias hauv qab 30 degree. Khaws kom deb ntawm cov nplaim taws, qhov chaw tshav kub thiab muaj zog oxidants nrog rau cov poov tshuaj permanganate thiab hydrogen peroxide. Ntim hauv cov nruas yas los yog galvanized hlau nruas thiab thauj raws li kev lag luam tshuaj.

IV. Khoom Specifications

Qib muaj: purity Ntau dua lossis sib npaug li 98.5%; chromatographic qib tshawb fawb: purity Ntau dua lossis sib npaug li 99.0%. Cov impurities muaj xws li kab isoalkanes, muaj ntxhiab hydrocarbons, ya raws thiab hnyav hlau.

 


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