tsamba_banner

mankhwala

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

Chemical Property:

Molecular Formula C8H10O2
Misa ya Molar 138.16
Kuchulukana 1.113 g/mL pa 25 °C (kuyatsa)
Melting Point 22-25 ° C (kuyatsa)
Boling Point 259 °C (kuyatsa)
Pophulikira 230 ° F
Nambala ya JECFA 871
Kusungunuka kwamadzi osasungunuka
Kusungunuka mowa: kusungunuka momasuka
Kuthamanga kwa Vapor 0.24-0.53Pa pa 25 ℃
Maonekedwe Madzi Pambuyo Kusungunuka
Specific Gravity 1.108
Mtundu Zoyera zopanda mtundu mpaka zachikasu
Merck 14,665
Mtengo wa BRN 636654
pKa 14.43±0.10 (Zonenedweratu)
PH 6.3 (10g/l, H2O, 20℃)
Mkhalidwe Wosungira -20 ° C
Zophulika Malire 0.9-7.3% (V)
Refractive Index n20/D 1.544(lit.)
Zakuthupi ndi Zamankhwala Maonekedwe: madzi opanda mtundu kapena opepuka achikasu owonekera
Gwiritsani ntchito Ndiwofunikira wapakatikati pakuphatikizika kwa organic, komwe kumagwiritsidwa ntchito popanga zonunkhira, utoto wa triphenylmethane.

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa R22 - Zowopsa ngati zitamezedwa
R36/37/38 - Zokwiyitsa maso, kupuma komanso khungu.
R63 - Chiwopsezo chotheka kuvulaza mwana wosabadwa
R62 - Chiwopsezo chotheka cha kusokonekera kwa chonde
R41 - Kuopsa kwa kuwonongeka kwakukulu kwa maso
R37/38 - Zokwiyitsa dongosolo la kupuma ndi khungu.
R20/21/22 - Zowopsa pokoka mpweya, kukhudzana ndi khungu komanso kumeza.
Kufotokozera Zachitetezo S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala.
S36 - Valani zovala zoyenera zodzitetezera.
S45 - Pakachitika ngozi kapena ngati simukumva bwino, funsani upangiri wachipatala nthawi yomweyo (onetsani chizindikirocho ngati kuli kotheka.)
S36/37/39 - Valani zovala zodzitchinjiriza zoyenera, magolovesi ndi chitetezo chamaso / kumaso.
Ma ID a UN UN1230 - kalasi 3 - PG 2 - Methanol, yankho
WGK Germany 1
Mtengo wa RTECS DO8925000
TSCA Inde
HS kodi 29094990
Zowopsa Zokwiyitsa
Poizoni LD50 pamlomo makoswe: 1.2 ml/kg (Woodart)

 

Mawu Oyamba

Mowa wa Methoxybenzyl. Zotsatirazi ndizofotokozera za katundu, ntchito, njira zokonzekera ndi chidziwitso cha chitetezo cha methoxybenzyl mowa:

 

Ubwino:

Maonekedwe: Mowa wa Methoxybenzyl ndi madzi opanda mtundu omwe amatha kununkhira.

Kusungunuka: Mowa wa Methoxybenzyl susungunuka m'madzi, koma umasungunuka mu zosungunulira zambiri.

Kukhazikika: Mowa wa Methoxybenzyl umakhala wosasunthika pa kutentha kwa chipinda, koma ukhoza kuchitapo kanthu ukakumana ndi ma okosijeni amphamvu.

 

Gwiritsani ntchito:

Methoxybenzyl mowa angagwiritsidwe ntchito ngati zosungunulira, anachita wapakatikati ndi chothandizira stabilizer mu kaphatikizidwe organic.

Itha kugwiritsidwanso ntchito ngati chophatikizira mu zonunkhira ndi zokometsera, kupatsa mankhwala fungo lapadera.

 

Njira:

Mowa wa Methoxybenzyl ukhoza kukonzedwa ndi transesterification ya methanol ndi mowa wa benzyl. Izi zimafuna chothandizira ndi yoyenera anachita zinthu.

Ikhozanso kuchitidwa ndi okosijeni ndi benzyl mowa kuti apange methoxybenzyl mowa.

Mowa wa benzyl + okosijeni → mowa wa methoxybenzyl

 

Zambiri Zachitetezo:

Mowa wa Methoxybenzyl ndi wosungunulira wa organic ndipo uyenera kugwiritsidwa ntchito motsatira njira zodzitetezera ku labotale yamankhwala.

Zingayambitse kuyabwa m'maso ndi pakhungu, ndipo magalasi oteteza ndi magolovesi azivala pogwira.

Ngati mutakokedwa kapena kulowetsedwa mwangozi, funsani kuchipatala mwamsanga ndipo perekani phukusi kapena chizindikiro kwa dokotala wanu kuti afotokoze.

 


  • Zam'mbuyo:
  • Ena:

  • Lembani uthenga wanu apa ndikutumiza kwa ife