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hua

DAMASCONE(CAS#23726-91-2)

Āhuatanga matū:

Tātai rāpoi C13H20O
Molar Mass 192.3
Kiato 0.934g/mLat 20°C(marama)
Piro Pouri 271℃
Tohu Kohiko 108℃
Nama JECFA 384
Wairewa wai 192.3mg/L(25 ºC)
Kohu Kohu 2.6Pa i te 25 ℃
BRN 2046078
Tikanga Rokiroki -20°C
Taurangi Refactive n20/D 1.498
Āhuatanga ā-tinana, matū hoki Te wai kore tae ki te kowhai kowhai. Te ira koropuha 52 ℃(0.13Pa), te kiato whanaunga 0.930, te taupū whakaata 1.4957. Me te kakara o te rohi.

Taipitopito Hua

Tohu Hua

Nga Tohu Whakamate Xi – Irritant
Waehere Morearea 43 – Ka whakapataritari pea te kiri
Whakaahuatanga Haumaru 36/37 – Mau kakahu tiaki tika me nga karapu.
WGK Tiamana 2
RTECS EN0340000
FLUKA BRAND F CODES 10-23
Waehere HS 29142990

 

Kupu Whakataki

Ko Damaketone, e mohiotia ana ko 2,4-pentanedione, he gustadone ranei, he wai kore tae. E whai ake nei he whakataki mo nga rawa, nga whakamahinga, nga tikanga whakarite me nga korero haumaru o Damadoke:

 

Kounga:

- He wai taekore a Damaketone i te pāmahana rūma me te kakara kaha.

- Ko te Damarone he matū e kore e wera ngawari, engari ka pa ana ki te wera me te pa atu ki te hāora, ka puta he ahi.

 

Whakamahia:

- Kei te whakamahia nuitia a Damaketone i roto i te ahumahi matū hei whakarewa i roto i te hanga peita, paninga, kapia, me te whakapiri.

- Kei te whakamahia ano hei rauemi mata mo te hanga kirihou, rapa, me nga kiriata cellulose.

 

Tikanga:

- I te nuinga o te wa ka whakaritea a Damaketone e te tikanga septal dimethylamine me te tikanga waikawa acetoacetic.

- I roto i te tikanga dimethylamine wā, ka tauhohe te konutai methylsulfite ki te dimethylamine ki te hanga imine dimethylsulfate, ka tauhohe ki te acetic anhydride ki te whakaputa damine ketone.

- I roto i te tikanga waikawa acetoacetic, ka tauhohe te waikawa acetic me te anhydride acetic ki te ethyl chloroacetate hei hanga marone.

 

Mōhiohio Haumaru:

- He ahua rorirori a Damaketone, me whakamahi ki te waahi hau pai.

- I te wa e rongoa ana a Dama, karohia te pa atu ki nga waikura, waikawa, kawakore, matū mura ranei, na te mea ka puta he ahi, he pahū.

- Mena he turuturu, me mahi wawe penei i te tango me nga rawa mimiti me te whakarite kia tika te tukunga o te para.

 

He kupu whakataki poto enei mo nga rawa, nga whakamahinga, nga tikanga whakarite, me nga korero haumaru o Damaketone. Mo te roanga atu o nga korero, tirohia nga tuhinga matū e tika ana, me toro atu ranei ki tetahi tohunga.


  • Tōmua:
  • Panuku:

  • Tuhia to korero ki konei ka tukuna mai ki a matou