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umkhiqizo

5-Hydroxymethyl furfural (CAS#67-47-0)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C6H6O3
I-Molar Mass 126.11
Ukuminyana 1.243 g/mL ku-25 °C (lit.)
I-Melting Point 28-34 °C (okhanyisiwe)28-34 °C (okhanyisiwe)
I-Boling Point 114-116 °C/1 mmHg (okhanyisiwe)
I-Flash Point 175°F
Ukuncibilika kwamanzi Incibilika emanzini, utshwala, i-ethyl acetate, i-acetone, i-dimethylformamide, i-benzene, i-ether ne-chloroform.
Ukuncibilika Incibilika emanzini, i-ethanol, i-ether, i-acetone, i-carbon tetrachloride nezinye izincibilikisi ezivamile.
I-Vapor Presure 0.000891mmHg ku-25°C
Ukubukeka I-Liquid noma i-Crystalline Powder kanye/noma ama-Chunks
Umbala Okuphuzi ngokukhanyayo ukuya kokuphuzi
I-Merck 14,4832
I-BRN 110889
pKa 12.82±0.10(Okubikezelwe)
Isimo Sesitoreji 2-8°C
Ukuzinza Izwela Ukukhanya, I-Hygroscopic Kakhulu
Kuyazwela Kuyazwela Umoya Nokukhanya
I-Refractive Index n20/D 1.562(lit.)
I-MDL I-MFCD00003234
Izakhiwo Zomzimba Nezamakhemikhali Iphuzu lokuncibilika lingu-30-34°C
indawo yokubilisa 114-116°C (1 torr)
inkomba ye-refractive 1.5627
iphoyinti elikhanyayo 79°C

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Izimpawu Eziyingozi Xi - Irritant
Amakhodi Engozi R36/37/38 – Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
R52/53 – Kuyingozi ezintweni eziphila emanzini, kungabangela imiphumela emibi yesikhathi eside endaweni yasemanzini.
Incazelo Yokuphepha S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
S36 – Gqoka izingubo ezifanele zokuzivikela.
I-S24/25 - Gwema ukuthintana nesikhumba namehlo.
I-WGK Germany 2
I-RTECS I-LT7031100
AMAKHODI E-FLUKA BRAND F 8-10
I-TSCA Yebo
Ikhodi ye-HS 29321900
Ubuthi I-LD50 ngomlomo kuNogwaja: 2500 mg/kg

 

Isingeniso

I-5-Hydroxymethylfurfural, eyaziwa nangokuthi i-5-Hydroxymethylfurfural (HMF), iyinhlanganisela yemvelo enezinto ezinuka kamnandi. Okulandelayo yisingeniso sezakhiwo, ukusetshenziswa, izindlela zokulungiselela kanye nolwazi lokuphepha lwe-5-hydroxymethylfurfural:

 

Ikhwalithi:

- Ukubukeka: I-5-Hydroxymethylfurfural iyikristalu engenambala ukuya kokuphuzi okuphaphathekile noma uketshezi.

- Ukunyibilika: Incibilika emanzini, ethanol ne-ether.

 

Sebenzisa:

- Amandla: I-5-Hydroxymethylfurfural nayo ingasetshenziswa njengesandulela samandla e-biomass.

 

Indlela:

I-5-Hydroxymethylfurfural ingalungiswa ngokusabela kokuphelelwa amanzi emzimbeni kwe-fructose noma i-glucose ngaphansi kwezimo ezine-acidic.

 

Ulwazi Lokuphepha:

- I-5-Hydroxymethylfurfural ikhemikhali okufanele iphathwe ngokuphepha futhi igweme ukuthintana ngqo nesikhumba, amehlo, namagesi ahogelwayo.

- Ngesikhathi sokugcinwa nokusetshenziswa, kufanele kugcinwe kude nomlilo nemithombo yokushisa, futhi kugcinwe endaweni epholile, eyomile.

- Uma uphatha i-5-hydroxymethylfurfural, gqoka izinto zokuzivikela ezifanele njengamagilavu, izibuko zokuzivikela, nesivikelo sobuso.


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