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ibicuruzwa

3 4-Dimethylbenzoic aside (CAS # 619-04-5)

Umutungo wa Shimi:

Inzira ya molekulari C9H10O2
Misa 150.17
Ubucucike 1.0937 (igereranya)
Ingingo yo gushonga 163-165 ° C (lit.)
Ingingo ya Boling 271.51 ° C (igereranya)
Flash point 134.9 ° C.
Amazi meza 129.2mg / L (ubushyuhe ntibuvuzwe)
Umwuka 0.000728mmHg kuri 25 ° C.
Kugaragara Ifu ya Crystalline
Ibara Cyera beige
BRN 907267
pKa 4.44 ± 0.10 (Byahanuwe)
Imiterere y'Ububiko Ikidodo cyumye, Ubushyuhe bwicyumba
Ironderero 1.5188 (igereranya)
MDL MFCD00002524
Ibintu bifatika na shimi Ifu yera cyangwa kirisiti. Gushonga ingingo 165-167 ℃.
Koresha Byakoreshejwe nkigihe gito muri synthesis organique
Mu bushakashatsi bwa vitro 3,4-Acide Dimethylbenzoic ihindurwamo okiside na 4-methylbenzoate (p-toluate) -imikurire ya Rhodococcus rhodochrous N75 ikoresheje ortho-nzira inyuze hagati ya 3,4-dimethylcatechol.

Ibicuruzwa birambuye

Ibicuruzwa

Kode y'ingaruka R36 / 37/38 - Kurakaza amaso, sisitemu y'ubuhumekero n'uruhu.
R22 - Byangiza niba byamizwe
Ibisobanuro byumutekano S22 - Ntugahumeke umukungugu.
S24 / 25 - Irinde guhura nuruhu n'amaso.
S37 / 39 - Kwambara uturindantoki dukwiye no kurinda amaso / kurinda amaso
S26 - Mugihe uhuye namaso, kwoza ako kanya n'amazi menshi hanyuma ushakishe inama mubuvuzi.
WGK Ubudage 3
RTECS DG8734020
TSCA Yego
Kode ya HS 29163900

 

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