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ibicuruzwa

2-3-Butanedithiol (CAS # 4532-64-3)

Umutungo wa Shimi:

Inzira ya molekulari C4H10S2
Misa 122.25
Ubucucike 0,995 g / mL kuri 25 ° C (lit.)
Ingingo yo gushonga -53.9 ° C (igereranya)
Ingingo ya Boling 86-87 ° C / 50 mmHg (lit.)
Flash point 126 ° F.
Umubare wa JECFA 539
Umwuka 2.15mmHg kuri 25 ° C.
Ubucucike bw'umwuka > 1 (vs ikirere)
Kugaragara amazi (igereranya)
Uburemere bwihariye 0.995
Ibara Ibara ritagira ibara ry'umuhondo kugeza umucyo orange
pKa 9.93 ± 0.10 (Biteganijwe)
Ironderero n20 / D 1.5194 (lit.)
Ibintu bifatika na shimi Ingingo yo guteka 86 ° C (50 torr)

Ibicuruzwa birambuye

Ibicuruzwa

Ibimenyetso bya Hazard Xn - Byangiza
Kode y'ingaruka R10 - Yaka
R22 - Byangiza niba byamizwe
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.
Indangamuntu ya Loni UN 3336 3 / PG 3
WGK Ubudage 3
Kode ya HS 29309090
Icyiciro cya Hazard 3.2
Itsinda ryo gupakira III

 

Intangiriro

2,3-Butanedithiol. Ibikurikira nintangiriro kumiterere, imikoreshereze, uburyo bwo gutegura namakuru yumutekano ya 2,3-butanedithiol:

 

Ubwiza:

- Kugaragara: Amazi adafite ibara

- Impumuro: impumuro mbi

- Gukemura: Kubora mumazi, alcool hamwe na ether

 

Koresha:

- Gukoresha inganda: 2,3-butanedicaptan irashobora gukoreshwa nka reberi yihuta na antioxydeant. Irashobora kunoza imiterere yubukanishi no kurwanya ubushyuhe bwa reberi kandi ikongerera igihe cyo gukora ibicuruzwa bya rubber.

 

Uburyo:

Gutegura 2,3-butanedithiol birashobora gukorwa nuburyo bumwe bukurikira:

- Gutegura inganda: butene na sulferi bikunze gukoreshwa nkibikoresho fatizo kandi byateguwe na reaction yibirunga.

- Gutegura laboratoire: Irashobora gutegurwa nigikorwa cya propadiene sulfate na sodium sulfite, cyangwa nigisubizo cya 2,3-dichlorobutane na sodium sulfide.

 

Amakuru yumutekano:

- 2,3-butanedithiol irakaze kandi irashobora gutera uburakari no gutwika amaso nuruhu.

- Guhumeka kwinshi kwa 2,3-butanedithiol birashobora gutera umutwe, isesemi, kuruka nibindi bimenyetso bitameze neza.

- Irinde guhumeka no guhuza uruhu mugihe cyo gukora, kandi wambare ibikoresho bikingira birinda nka gants, indorerwamo, nibindi mugihe ukoresheje.

- Irinde guhura na okiside nibintu nka acide ikomeye na alkalis kugirango wirinde ingaruka mbi.


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