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ibicuruzwa

4,5-Dimethyl thiazole (CAS # 3581-91-7)

Umutungo wa Shimi:

Inzira ya molekulari C5H7NS
Misa 113.18
Ubucucike 1.07 g / mL kuri 25 ° C (lit.)
Ingingo yo gushonga 83-84 C.
Ingingo ya Boling 158 ° C / 742 mmHg (lit.)
Flash point 124 ° F.
Umubare wa JECFA 1035
Umwuka 3.46mmHg kuri 25 ° C.
Kugaragara Ifu ya Crystalline
Uburemere bwihariye 1.070
BRN 105694
pKa pK1: 3.73 (25 ° C, μ = 0.1)
Imiterere y'Ububiko Ikidodo cyumye, Ubushyuhe bwicyumba
Ironderero n20 / D 1.521 (lit.)
MDL MFCD00005336
Ibintu bifatika na shimi Ubucucike 1.07
ingingo itetse 158 ° C. (742 torr)
indangantego yo gukuraho 1.52-1.522
flash point 51 ° C.
Koresha Ikoreshwa nk'inyongera y'ibiryo

Ibicuruzwa birambuye

Ibicuruzwa

Kode y'ingaruka R10 - Yaka
R22 - Byangiza niba byamizwe
R37 / 38 - Kurakaza sisitemu yubuhumekero nuruhu.
R41 - Ibyago byo kwangirika cyane kumaso
R36 / 37/38 - Kurakaza amaso, sisitemu y'ubuhumekero n'uruhu.
Ibisobanuro byumutekano S16 - Irinde amasoko yo gutwikwa.
S26 - Mugihe uhuye namaso, kwoza ako kanya n'amazi menshi hanyuma ushakishe inama mubuvuzi.
S39 - Kwambara ijisho / kurinda amaso.
S37 / 39 - Kwambara uturindantoki dukwiye no kurinda amaso / kurinda amaso
S36 / 37/39 - Wambare imyenda ikingira, uturindantoki no kurinda amaso / mu maso.
Indangamuntu ya Loni UN 1993 3 / PG 3
WGK Ubudage 3
RTECS XJ4380000
Kode ya HS 29349990
Icyiciro cya Hazard 3
Itsinda ryo gupakira III

 

Intangiriro

4,5-Dimethylthiazole ni ifumbire mvaruganda. Dore bimwe mubiranga, imikoreshereze, uburyo bwo gukora, namakuru yumutekano:

 

Ubwiza:

- Kugaragara: Amazi adafite ibara cyangwa kristaline ikomeye.

- Gukemura: Gukemuka mumashanyarazi menshi nka alcool, ethers na ketone.

- Guhagarara: Birasa neza mubushyuhe bwicyumba.

 

Koresha:

- Irashobora kandi gukoreshwa nka yihuta ya reberi hamwe na rubber vulcanizing agent kugirango itezimbere imiterere ya rubber.

 

Uburyo:

- 4,5-Dimethylthiazole irashobora kubyara reaction ya dimethyl sodium dithiolate na 2-bromoacetone.

- Kugereranya reaction: 2-bromoacetone + dimethyl dithiolate → 4,5-dimethylthiazole + sodium bromide.

 

Amakuru yumutekano:

- 4,5-Dimethylthiazole ni ifumbire mvaruganda kandi igomba kwirinda ingamba zifatika.

- Uturindantoki turinda, amadarubindi na gown birakenewe mugihe cyo gukoresha.

- Irinde guhumeka imyuka yacyo kandi urebe neza ko ukora ahantu hafite umwuka mwiza.

- Mugihe habaye impanuka zitunguranye mumaso, kwoza ako kanya n'amazi menshi hanyuma ushakire kwa muganga bidatinze.

- Bika 4,5-dimethylthiazole ahantu hakonje, humye kure ya okiside na acide zikomeye.


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