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Diacetyl 2-3-Diketo butane (CAS#431-03-8)

Abubuwan Sinadarai:

Tsarin kwayoyin halitta Saukewa: C4H6O2
Molar Mass 86.09
Yawan yawa 0.985g/mLat 20°C
Matsayin narkewa -4-2 ° C
Matsayin Boling 88°C (lit.)
Wurin Flash 45°F
Lambar JECFA 408
Ruwan Solubility 200 g/L (20ºC)
Solubility 200g/l
Tashin Turi 52.2 mm Hg (20 ° C)
Yawan Turi 3 (Vs iska)
Bayyanar Ruwa
Launi Tsararren rawaya
Iyakar Bayyanawa ACGIH: TWA 0.01 ppm; STEL 0.02 ppmNIOSH: TWA 5 ppb; STEL 25 pb
Merck 14,2966
BRN 605398
Yanayin Ajiya Adana a zazzabi +2°C zuwa +8°C.
Kwanciyar hankali Barga. Mai ƙonewa. Rashin jituwa tare da acid, tushe mai karfi, karafa, rage yawan wakilai, oxidizing jamiái. Kare daga danshi da ruwa. Kula da ƙaramin ma'aunin walƙiya.
Iyakar fashewa 2.4-13.0% (V)
Fihirisar Refractive n20/D 1.394(lit.)
Abubuwan Jiki da Sinadarai Yawan 0.981
zafin jiki 88 ° C
Ƙididdigar refractive 1.391-1.399
filashi 7°C
ruwa mai narkewa 200g/L (20°C)
Amfani An yi amfani da shi don shirye-shiryen dandano na kirim, shine babban kayan albarkatun kasa don samar da dandano na pyrazine

Cikakken Bayani

Tags samfurin

Lambobin haɗari R11 - Mai ƙonewa sosai
R20/22 - Yana cutar da numfashi kuma idan an haɗiye shi.
R38 - Haushi da fata
R41 - Hadarin mummunan lalacewa ga idanu
R36 / 38 - Iriting ga idanu da fata.
R20/21/22 - Cutarwa ta hanyar shakarwa, a cikin hulɗa da fata kuma idan an haɗiye shi.
R37 / 38 - Haushi ga tsarin numfashi da fata.
Bayanin Tsaro S9 - Ajiye akwati a wuri mai kyau.
S16 - Ka nisantar da tushen wuta.
S26 - Idan ana hulɗa da idanu, kurkura nan da nan da ruwa mai yawa kuma ku nemi shawarar likita.
S37/39 - Sanya safofin hannu masu dacewa da kariya / ido
S36 / 37/39 - Sanya tufafin kariya masu dacewa, safar hannu da kariya / ido / fuska.
S39 – Sa ido/kariyar fuska.
ID na UN UN 2346 3/PG 2
WGK Jamus 2
RTECS Farashin EK2625000
FLUKA BRAND F CODES 13
Farashin TSCA Ee
HS Code 29141990
Matsayin Hazard 3
Rukunin tattarawa II
Guba LD50 na baka a cikin beraye: 1580 mg/kg (Jenner)

 

Gabatarwa

2,3-Butanedione wani fili ne na kwayoyin halitta. Mai zuwa shine gabatarwa ga kaddarorin, amfani, hanyoyin shirye-shirye da bayanan aminci na 2,3-butanedione:

 

inganci:

- Bayyanar: 2,3-Butanedione ruwa ne mara launi tare da ƙamshi mai ƙamshi.

- Solubility: Yana da narkewa a cikin ruwa da kuma a cikin yawancin kaushi na kwayoyin halitta.

- kwanciyar hankali: 2,3-butanedione yana da kwanciyar hankali ga haske da zafi.

 

Amfani:

- Aikace-aikacen masana'antu: 2,3-butanedione sau da yawa ana amfani dashi azaman albarkatun ƙasa don kaushi, sutura da ƙari na filastik.

- Halin sinadarai: Ana iya amfani da shi azaman tsaka-tsakin amsawa a cikin haɗin gwiwar kwayoyin halitta, kamar haɓakawa da iskar oxygenation na ketones.

 

Hanya:

- Hanyar haɗakarwa ta al'ada ita ce samun 2,3-butanedione ta hanyar iskar oxygenation na butanedione. Ana samun wannan ta hanyar amsawa 2-butanone tare da oxygen a gaban mai kara kuzari.

 

Bayanin Tsaro:

- 2,3-Butanedione yana da ban haushi, musamman ga idanu da fata. Ka guji haɗuwa da fata da idanu yayin amfani, kuma kurkura nan da nan da ruwa mai yawa idan akwai lamba.

- Ruwa ne mai ƙonewa kuma a kiyaye shi daga haɗuwa da tushen wuta kuma a yi amfani da shi a wuri mai kyau.

- Idan an sha da sauri ko kuma numfashi, a nemi kulawar likita nan da nan.

 


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