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3-4-Hexanedione (CAS#4437-51-8)

Ngwongwo kemịkalụ:

Usoro ihe omimi C6H10O2
Molar Mass 114.14
Njupụta 0.939 g/mL na 25 Celsius C (ọkụ)
Ebe Na-agbaze -10 Celsius
Ebe Boling 131C (ọkụ)
Ebe mgbari 88°F
Nọmba JECFA 413
Mmiri Solubility 127 g/L (20ºC)
Uzuoku nrịbama 9.91mmHg na 25°C
Ọdịdị Mmiri mmiri na-acha odo odo na-egbuke egbuke
Agba edo edo doro anya
BRN 1700837
Ọnọdụ Nchekwa A na-ekpuchi ya na akọrọ, 2-8 ° C
Ntụgharị uche n20/D 1.41 (ọkụ)
MDL MFCD00010237
Njirimara anụ ahụ na kemịkalụ Mmiri mmiri na-acha odo odo na-acha odo odo, ude dị ka ísì, iwe na-adịghị mma. Ebe mgbaze -100 °c, ebe esi 130 Celsius. Njupụta nke ikwu (d420) 0.946, ndezigharị ntụgharị (nD20) 1.4110. Ole na-esighị ike n'ime mmiri, soluble na ethanol na mmanụ, soluble nke ukwuu na propylene glycol. Ebe ọkụ ọkụ 27 Celsius C.

Nkọwa ngwaahịa

Mkpado ngwaahịa

Akara egwu Xn - na-emerụ ahụ
Koodu ihe egwu R10 - ọkụ
R36 / 38 - na-akpasu anya na akpụkpọ ahụ.
R20 - na-emerụ ahụ site na iku ume
Nkọwapụta nchekwa S23 - Ekula uzuoku.
S24/25 - Zere kọntaktị na akpụkpọ ahụ na anya.
S37/39 - Yiri uwe aka kwesịrị ekwesị na nchebe anya / ihu
S26 - N'ihe banyere kọntaktị na anya, kpochaa ozugbo na ọtụtụ mmiri ma chọọ ndụmọdụ ahụike.
S16 - Wepụ ya na isi mmalite nke mgbanye.
NJ UN UN 1224 3/PG 3
WGK Germany 1
TSCA Ee
Koodu HS 29141900
Klas Hazard 3
Otu nkwakọ ngwaahịa III

 

Okwu mmalite

3,4-Hexanedione (nke a makwaara dị ka 4-Hexanediic Acid) bụ ngwakọta organic. Ihe na-esonụ bụ mmeghe nkenke maka akụrụngwa ya, ojiji ya, ụzọ nrụpụta ya na ozi nchekwa:

 

Ogo:

- Ọdịdị: 3,4-Hexanedione bụ kristal na-enweghị agba.

- Solubility: Soluble na organic solvents dị ka mmiri, alcohols na ethers.

- Njirimara kemịkalụ: 3,4-hexanedione bụ ngwakọta ketone nwere mmeghachi omume ketone. Enwere ike belata ya na diol ma ọ bụ hydroxyketone kwekọrọ, ma nwee ike nweta mmeghachi omume dịka esterification na acylation.

 

Jiri:

- A pụkwara iji ya mee ihe dị ka ihe eji eme ihe maka mkpuchi, rọba, na rọba, yana etiti maka reagents na ihe ndị na-emepụta ihe.

 

Usoro:

- E nwere usoro nhazi dị iche iche nke 3,4-hexanedione, otu n'ime ụzọ nkwadebe ndị a na-emekarị bụ iji esterify formic acid na propylene glycol iji nweta ester nke 3,4-hexanedione, wee nweta ngwaahịa ikpeazụ site na acid hydrolysis.

 

Ozi nchekwa:

- 3,4-Hexanedione bụ ihe na-emepụta ihe na-emepụta ihe n'ozuzu ya na ekwesịrị izere ya na kọntaktị na akpụkpọ ahụ, iku ume ma ọ bụ iri nri.

- Yiri akụrụngwa nchebe kwesịrị ekwesị dị ka uwe, enyo, na uwe nchebe.

- N'oge nchekwa na njikwa, ekwesịrị ịṅa ntị na isi mmalite ọkụ na kọntaktị na combustibles, oxidants na ihe ndị ọzọ kwesịrị izere.


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