Khoom Taw Qhia Thiab Daim Ntawv Thov
Nws cov khoom, 1,3-dihydroxymethyl-5,5-dimethylhydantoin yog cov kua tsis muaj xim rau lub teeb daj, nrog cov ntxhiab tsw zoo li dej ntawm chav tsev kub. Nws tuaj yeem yaj hauv ntau cov kuab tshuaj organic xws li ethanol thiab ketones.
Daim ntawv thov:1,3-dihydroxymethyl-5,5-dimethylhydantoin feem ntau yog siv los ua ib qho kev sib koom ua ke hauv cov khoom lag luam luam yeeb. Nws qhov sib ntxiv txhim kho cov aroma thiab saj ntawm haus luam yeeb, ua rau nws txaus siab dua. Nws kuj yog siv nyob rau hauv ib co perfumes los txhim kho qhov persistence ntawm tus ntxhiab.
Technical Parameter
|
Suav npe |
1, 3-Dihydroxymethyl-5, 5-dimethylhydantoin |
|
English npe |
1, 3-bis (hydroxymethyl) -5, 5-dimethylimidazolidine-2, 4-dione |
|
English npe |
DMDMH |
|
CAS |
6440-58-0 |
|
EINECS |
229-222-8 |
|
tshuaj formula |
C7H12N2O4 |
|
molecular hnyav |
188.18 |
|
InChI |
InChI=1/C7H12N2O4/c1-7(2)5(12)8({10}})6(13)9(7)4-11/h{16}} H,3-4H2,{19}}H3 |
|
ceev |
1.349 ± 0.06 g / cm3 (Tshaj tawm) |
|
melting point |
1 00-2.5 degree |
|
kub point |
3 03.7 ± 52.0 degree (Tshaj tawm) |
|
flash point |
137.5°C dej |
|
dej solubility |
140g / L ntawm 20 degree |
|
vapor siab |
0Pa ntawm 25 degree |
|
solubility |
DMSO (me ntsis soluble), methanol (me ntsis soluble) |
|
Refractive Index |
1.529 |
|
Acidity coefficient |
13.41 ± 0.10(Tswj) |
|
Cia tej yam kev mob |
Muab kaw rau hauv qhuav, Chav Kub |
|
ruaj khov |
Tsis ruaj khov hauv DMSO daws |
|
tsos |
khov kho |
|
xim |
Dawb rau Off-White |
|
Physicochemical zog |
Cov kua dej tsis muaj xim, tsis hnov tsw aldehyde me ntsis, precipitates crystals thaum lub ambient kub yog qis dua 15 degree, yog ib tug formaldehyde tso tawm, soluble nyob rau hauv dej thiab cawv, thiab muaj cua kub tsis kam. |
Ntim Thiab Cia
Raws li cov neeg siv khoom xav tau
Cim npe nrov: dmdmh 55%, 99% cas no.:6440-58-0, Tuam Tshoj dmdmh 55%, 99% cas no.:6440-58-0 manufacturers, lwm tus neeg, Hoobkas















