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ibicuruzwa

Methyl benzoate (CAS # 93-58-3)

Umutungo wa Shimi:

Inzira ya molekulari C8H8O2
Misa 136.15
Ubucucike 1.088 g / mL kuri 20 ° C (lit.)
Ingingo yo gushonga -12 ° C (lit.)
Ingingo ya Boling 198-199 ° C (lit.)
Flash point 181 ° F.
Umubare wa JECFA 851
Amazi meza <0.1 g / 100 mL kuri 22.5 ºC
Gukemura Ethanol: gushonga 60%, bisobanutse (1mL / 4ml)
Umwuka <1 mm Hg (20 ° C)
Ubucucike bw'umwuka 4.68 (vs ikirere)
Kugaragara Amazi
Uburemere bwihariye 1.087 ~ 1.095 (20 ℃)
Ibara Sobanura ibara ritagira ibara ry'umuhondo
Merk 14,6024
BRN 1072099
Imiterere y'Ububiko Ubike kuri + 5 ° C kugeza kuri + 30 ° C.
Igihagararo Ihamye. Yaka. Ntibishobora gukoreshwa na okiside ikomeye, acide ikomeye, shingiro rikomeye.
Umupaka uturika 8,6-20% (V)
Ironderero n20 / D 1.516 (lit.)
Ibintu bifatika na shimi Amazi adafite ibara, afite indabyo zikomeye na cheri.
gushonga ingingo -12.3 ℃
ingingo itetse 199.6 ℃
ubucucike ugereranije 1.0888
indangantego yo gukuraho 1.5164
flash point 83 ℃
solubilité itumvikana na ether, gushonga muri methanol, ether, kudashonga mumazi na glycerol.
Koresha Mugutegura uburyohe, nabwo bukoreshwa nka selulose ester, selile ether, resin, reberi nibindi byuma

Ibicuruzwa birambuye

Ibicuruzwa

Ibimenyetso bya Hazard Xn - Byangiza
Kode y'ingaruka 22 - Byangiza iyo bimizwe
Ibisobanuro byumutekano 36 - Kwambara imyenda ikingira.
Indangamuntu ya Loni UN 2938
WGK Ubudage 1
RTECS DH3850000
TSCA Yego
Kode ya HS 29163100
Uburozi LD50 mu kanwa mu mbeba: 3,43 g / kg (Smyth)

 

Intangiriro

Methyl benzoate. Ibikurikira nintangiriro kumiterere, imikoreshereze, uburyo bwo gutegura namakuru yumutekano ya methyl benzoate:

 

Ubwiza:

- Ifite isura idafite ibara n'impumuro idasanzwe.

- Gushonga mumashanyarazi nka alcool, ethers na benzene, bitangirika mumazi.

- Irashobora kwitwara hamwe ningingo zikomeye za okiside.

 

Koresha:

- Byakoreshejwe nkibishishwa, urugero muri kole, coatings hamwe na firime.

- Muri synthesis organique, methyl benzoate ningirakamaro hagati muguhuza ibice byinshi.

 

Uburyo:

- Methylparaben isanzwe itegurwa nigisubizo cya acide benzoic hamwe na methanol. Catisale ya acide nka acide sulfurike, aside polyphosifike na acide sulfonique irashobora gukoreshwa mugihe ibintu byifashe.

 

Amakuru yumutekano:

- Methylparaben ni amazi yaka kandi agomba kubikwa no kujugunywa hamwe no kurinda umuriro no guturika, kandi kure yubushyuhe n’umuriro.

- Guhura na methyl benzoate birashobora gutera uburibwe bwamaso nuruhu, kandi hagomba gufatwa ingamba zikwiye.

- Mugihe ukoresheje methyl benzoate, menya neza guhumeka neza kandi wirinde guhumeka umwuka wacyo.

- Kwimenyereza neza muri laboratoire no kwirinda umutekano bigomba gukurikizwa mugihe ukoresheje no kubika methyl benzoate.


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