1,3-dihydroxymethyl-5,5-dimethyl Glycolylurea / DMDMH
Gabatarwa:
| INC | CAS# | Kwayoyin halitta | MW |
| 1,3-dihydroxymethyl-5,5-dimethyl Glycolylurea | 6440-58-0 | Saukewa: C7H12N2O4 | 188 |
DMDM hydantoin fari ne mara wari, crystalline abu wanda ke aiki azaman wakili na rigakafi da adanawa a cikin kayan shafawa da samfuran kulawa na sirri. Samfurin yana da launin rawaya mai haske.Yana da sauƙin narkar da shi cikin ruwa, barasa, glycol, kuma a tsaya a cikin lokaci mai ruwa da ruwan maganin mai.Yana iya zama tsayayye a -10 ~ 50 ℃, PH 6.5 ~ 8.5 na 1 shekara.
Ƙayyadaddun bayanai
| Bayyanar | Farar ruwa mai haske |
| Abun ciki na Matter mai Aiki %≥ | 55 |
| Takamaiman Nauyi (d420) | 1.16 |
| Acidity (PH) | -6.5-7.5 |
| Abun ciki na formaldehyde % | 17-18 |
Kunshin
Cike da kwalaben filastik ko ganguna.10kg/kwali (1kg × 10 kwalba).Kunshin fitarwa shine 25kg ko 250kg/drum na filastik.
Lokacin inganci
wata 12
Adana
ƙarƙashin inuwa, bushe, da yanayin rufewa, wuta rigakafi.
DMDM hydantoin shine abin adanawa a cikin kayan kwalliya da samfuran kulawa na sirri.Yana aiki ta hanyar ragewa da hana lalacewa a cikin samfura irin su shamfu da na'urorin gyaran gashi, da kuma a cikin samfuran kula da fata kamar masu moisturizers da tushen kayan shafa.DMDM hydantoin kuma wakili ne na rigakafin ƙwayoyin cuta da ake amfani dashi a cikin kayan kwalliya da samfuran kulawa na sirri.A matsayin maganin rigakafi, zai iya taimakawa wajen hana ci gaban fungi, yisti da ƙwayoyin cuta masu cutarwa waɗanda za su iya sa mutane su yi rashin lafiya ko kuma ba su rashes, misali.DMDM hydantoin shine "mai ba da gudummawar formaldehyde," wanda ke nufin cewa don yin aiki azaman mai kiyayewa da rigakafin ƙwayoyin cuta, yana sakin ƙananan matakan formaldehyde a duk tsawon rayuwar rayuwar samfurin kulawa na sirri ko kayan kwalliya.A cewar Majalisar Kula da Kayayyakin Kula da Kai, abubuwan kiyayewa irin su DMDM hydantoin wanda “sarin a hankali ƙarami, amintaccen adadin formaldehyde a kan lokaci” yana taimakawa wajen hana ƙwayoyin cuta da ƙwayoyin cuta.Ƙimar aminci na kwanan nan da aka buga a cikin Jarida ta Duniya na Toxicology ta sake tabbatar da cewa za a iya amfani da formaldehyde a cikin aminci a cikin kayan shafawa idan ba a wuce iyakokin tsaro ba.Umarnin Kayan shafawa na Tarayyar Turai kuma ya amince da DMDM hydantoin a matsayin mai kiyayewa a cikin kayan kwalliya da samfuran kulawa na sirri a matsakaicin matsakaicin 0.6 bisa dari.DMDMH yana narkewa cikin ruwa kyauta.Ana iya ƙara shi zuwa wakili na gyaran gyare-gyare na cream ko abubuwan da ke tattare da kayan shafa.DMDMH yana da ƙarfi mai ƙarfi tare da cation, anion da nonionic surface mai aiki wakili, emulsifier wakili da furotin.An tabbatar da gwajin, yana iya kiyaye ayyukan ƙwayoyin cuta a cikin babban kewayon PH da zafin jiki na dogon lokaci.Yana iya hana haɓaka girma na gram-positive becterium, Gram-negative bacterium, yeasts da mildew.Yabo sashi: 0.1 ~ 0.3, zazzabi: ƙasa da 50 ℃.
