Asịd Glyoxylic/CAS: 298-12-4
Nkọwa Dị Mkpirikpi:
Aha Ngwaahịa: Glyoxylic acid
CAS: 298-12-4
Ụdị: ZA-Y
MF:C2H2O3
MW:74.04
ỤDỊ:
Nkọwa:
Acid Glyoxylic, nke a makwaara dị ka formic acid, hydrated acetic acid, ma ọ bụ oxoacetic acid, nke nwere usoro kemịkalụ C2H203, bụ aldehyde acid kachasị mfe a na-ahụ na mkpụrụ osisi na-etobeghị eto, akwụkwọ ndụ akwụkwọ ndụ dị nro, na beets shuga. Mbelata site na mmiri bụ sistemụ kristal monoclinic (nwere 1/2 mmiri kristal). Ibu molekul dị n'otu nha bụ 70.04. Isi agbaze 98 ℃. O nwere isi na-adịghị mma, ọ bụ acid na-emebi emebi nke ukwuu, na-adị mfe ịmịcha, ọ nwekwara ike ịmepụta mado mgbe e tinyere ya n'ikuku. Ọ na-agbaze ntakịrị na ethanol, ether, na benzene, nwere ike ịgbaze n'enweghị nsogbu na mmiri, mmiri mmiri na-akwụsi ike ma ọ naghị emebi n'ikuku. Ọ dị n'ụdị mmiri mmiri na mmiri mmiri. E wezụga ígwè anaghị agba nchara, ọ nwere ike imeghachi omume na ọtụtụ ọla. O nwere ma ihe acidic na aldehyde. Enwere ike itinye ya na sodium bisulfite ma ọ bụ hydrocyanic acid, meghachi omume na hydroxylamine ma ọ bụ phenylhydrazine iji mepụta oxime ma ọ bụ hydrazone, mee mmeghachi omume silver mirror, nwee ike ime mmeghachi omume Conicoro, ma nwee ike ịmepụta nnu carboxylate na esters.
Nkọwapụta:
| ihe | Nkọwapụta |
| Ebe agbaze | -93°C |
| Ebe isi mmiri | 111°C |
| Njupụta | 1.33 g/mL na 20 °C |
| Ndekọ Refractive | n20/D 1.414 |
| Nrụgide uzuoku | 14hPa na 19.85℃ |
| Okpomọkụ nchekwa. | Debe ya n'okpuru +30°C. |
| Mmiri na-agbaze | A na-agwakọta ya na ethanol. A na-agwakọta ya ntakịrị na ether na benzene. A na-agwakọta ya na esters. |
| Ụdị | Mmiri mmiri doro anya |
| Agba | Enweghị agba ruo na agba oroma dị mfe ruo na odo odo |
| pka | 3.18 (na 25℃) |
| PH | 0.3 (19.5°C na H2O) |
Ojiji
Enwere ike iji Glyoxalic acid mee ihe na njikọta nke mmeghachi omume dị iche iche.
A na-eji Glyoxylic acid eme ihe na mmeghachi omume Hopkins Cole, nke a na-eji achọpụta tryptophan na protein.
Ọ na-emeghachi omume na phenol iji nweta 4-hydroxymandelic acid, nke na-enye hydroxyphenylglycine, dị ka ihe na-ebute ọgwụ amoxicillin.
A na-ejikwa ya dị ka ihe mmalite maka nkwadebe nke 4-hydroxyphenylacetic acid, nke a na-eji enweta atenolol.
Nkwakọ ngwaahịa
250KG/Drum ma ọ bụ dịka ihe ndị ahịa chọrọ.
Debe ma chekwaa
Ndụ nchekwa: ọnwa 24 site na ụbọchị emepụtara ya na ngwugwu mbụ e meghebeghị emepe echekwara n'ebe dị jụụ na kpọrọ nkụ nke na-anaghị anwụ kpọmkwem, mmiri.
Ụlọ nkwakọba ihe ikuku, Ọkụ dị ala, Nkewapụrụ na ihe ndị na-eme ka oxidants, asịd.
