isibhengezo_sekhasi

umkhiqizo

I-Glycolaldehyde dimethyl acetal (CAS# 30934-97-5)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C4H10O3
I-Molar Mass 106.12
Ukuminyana 1,05 g/cm3
I-Melting Point <-76°C
I-Boling Point 68°C 21mm
I-Flash Point 66°C
Ukuncibilika kwamanzi Hlanganisa namanzi.
I-Vapor Presure 1.85mmHg ku-25°C
I-BRN 1697583
pKa 14.83±0.10(Okubikezelwe)
Isimo Sesitoreji 2-8℃
I-Refractive Index 1.4130
I-MDL I-MFCD00051799

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Incazelo Yokuphepha S23 – Ungawuphefumuli umhwamuko.
I-S24/25 - Gwema ukuthintana nesikhumba namehlo.

 

Isingeniso

IHydroxyacetaldehyde dimethylacetal (2,2-dimethyl-3-hydroxybutyraldehyde) iyinhlanganisela yezinto eziphilayo. Okulandelayo yisingeniso sobunjalo bayo, ukusetshenziswa, indlela yokulungiselela kanye nolwazi lokuphepha:

 

Ikhwalithi:

1. IHydroxyacetaldehyde dimethylacetal iwuketshezi olunamafutha angenambala ukuya kokuphuzi olunephunga elimnandi elikhethekile.

2. Iguquguquka kalula, ingaxubana ku-ethanol ne-chloroform, futhi inyibilike kancane emanzini.

3. Inhlanganisela ingeyenhlanganisela ye-aldehyde, ekwazi ukuncishiswa futhi ingasabela namanye ama-oxidants.

 

Sebenzisa:

1. Isetshenziswa njengengxenye ebalulekile kokunye ukusabela kokwakheka kwe-organic, njengokuhlanganiswa kwevithamini B6 ne-benzidine nezinye izinhlanganisela.

2. Isetshenziswa njengesandulela sabanye odayi be-fluorescent, noma njenge-ejenti yokunciphisa ku-organic synthesis.

 

Indlela:

Kunezindlela eziningi zokulungisa i-hydroxyacetaldehyde dimethylacetal, futhi indlela evamile itholakala nge-resorcinol ne-acetone reaction. Izinyathelo ezithile zimi kanje: i-resorcinone iqala ukusabela nge-agarose noma isisombululo sotshwala esine-acidic ukuze senze i-glycidyl, futhi ishiswa nge-acetone ngaphansi kwezimo ezine-asidi ukuze ekugcineni ithole i-hydroxyacetaldehyde dimethylacetal.

 

Ulwazi Lokuphepha:

1. Lapho usebenzisa noma ugcina inhlanganisela, gwema ukuhogela umhwamuko wayo futhi uthintane nesikhumba namehlo.

2. Lapho usebenzisa, kufanele kuqashelwe ukusetshenziswa kwezinto ezifanele zokuzivikela, njengokugqoka amagilavu ​​okuvikela amakhemikhali, izibuko zokuzivikela kanye namamaski okuzivikela.

3. Kufanele futhi ihambisane nemibandela yokusebenza kokuphepha efanele kanye nemithetho yokulawulwa kwamakhemikhali.


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