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4-Methoxybenzyl cawv (CAS # 105-13-5)

Chemical Property:

Molecular Formula C8H10O2
Molar Mass 138.16 Nws
Qhov ntom 1.113 g / mL ntawm 25 ° C (lit.)
Melting Point 22-25 ° C (lit.)
Boling Point 259 ° C (lit.)
Flash Point 230 ° F
JECFA Number 871 ib
Dej Solubility insoluble
Solubility cawv: dawb soluble
Vapor Siab 0.24-0.53Pa ntawm 25 ℃
Qhov tshwm sim Ua kua tom qab melting
Specific Gravity 1.108 ib
Xim Ntshiab xim tsis muaj xim rau daj
Merck 14,665 ib
BRN 63665 4
pKa 14.43 ± 0.10 (Kev kwv yees)
PH 6.3 (10g / l, H2O, 20 ℃)
Kev cia khoom -20 ° C
Explosive txwv 0.9-7.3% (V)
Refractive Index n20/D 1.544 (lit.)
Physical thiab Chemical Properties Cov tsos mob: tsis muaj xim lossis lub teeb daj pob tshab kua
Siv Nws yog ib qho tseem ceeb nruab nrab ntawm cov organic synthesis, siv nyob rau hauv lub synthesis ntawm txuj lom, triphenylmethane dyes

Product Detail

Khoom cim npe

Risk Codes R22 - Ua phem yog tias nqos
R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij.
R63 - Muaj peev xwm tsim kev puas tsuaj rau tus menyuam hauv plab
R62 - Muaj peev xwm muaj feem cuam tshuam ntawm fertility
R41 - Riam phom loj rau qhov muag
R37/38 - Kab mob ua pa thiab tawv nqaij.
R20/21/22 - Ua phem los ntawm kev nqus pa, tiv thaiv daim tawv nqaij thiab yog tias nqos.
Kev nyab xeeb piav qhia S26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob.
S36 - Hnav khaub ncaws tiv thaiv zoo.
S45 - Thaum muaj xwm txheej lossis yog tias koj tsis xis nyob, nrhiav kev kho mob tam sim ntawd (qhia daim ntawv lo thaum twg ua tau.)
S36/37/39 - Hnav cov khaub ncaws tiv thaiv tsim nyog, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag.
UN IDs UN1230 - chav kawm 3 - PG 2 - Methanol, daws
WGK Germany 1
RTECS PAB 8925000
TSCA Yog lawm
HS Code 290949 0
Kev Ceeb Toom Irritant
Toxicity LD50 qhov ncauj hauv nas: 1.2 ml / kg (Woodart)

 

Taw qhia

Methoxybenzyl cawv. Cov hauv qab no yog kev qhia txog cov khoom, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb ntawm methoxybenzyl cawv:

 

Zoo:

Cov tsos mob: Methoxybenzyl cawv yog cov kua tsis muaj xim uas tuaj yeem tsw ntxhiab.

Solubility: Methoxybenzyl cawv yog tsawg soluble hauv dej, tab sis nws yog soluble nyob rau hauv feem ntau cov organic solvents.

Stability: Methoxybenzyl cawv yog qhov ruaj khov ntawm chav tsev kub, tab sis tej zaum yuav hnov ​​​​mob thaum ntsib cov oxidants muaj zog.

 

Siv:

Methoxybenzyl cawv tuaj yeem siv los ua cov kuab tshuaj, cov tshuaj tiv thaiv nruab nrab thiab catalyst stabilizer hauv organic synthesis.

Nws kuj tseem siv tau los ua cov khoom xyaw hauv cov tshuaj tsw qab thiab cov tsw qab, muab cov khoom muaj ntxhiab tsw tshwj xeeb.

 

Txoj kev:

Methoxybenzyl cawv tuaj yeem npaj los ntawm transesterification ntawm methanol thiab benzyl cawv. Cov tshuaj tiv thaiv no yuav tsum muaj cov catalyst thiab cov tshuaj tiv thaiv zoo.

Nws kuj tuaj yeem ua rau muaj oxidant los ntawm benzyl cawv los tsim methoxybenzyl cawv.

Benzyl cawv + oxidant → methoxybenzyl cawv

 

Cov ntaub ntawv kev nyab xeeb:

Methoxybenzyl cawv yog cov kuab tshuaj organic thiab yuav tsum tau siv raws li kev soj ntsuam kev nyab xeeb ntawm cov tshuaj.

Nws tuaj yeem ua rau qhov muag thiab tawv nqaij khaus, thiab cov tsom iav thiab hnab looj tes tiv thaiv yuav tsum hnav thaum tuav.

Yog tias nqus tau los yog nqus tau, nrhiav kev kho mob tam sim ntawd thiab muab lub pob lossis daim ntawv lo rau koj tus kws kho mob siv.

 


  • Yav dhau los:
  • Tom ntej:

  • Sau koj cov lus ntawm no thiab xa tuaj rau peb