Kōwhai 157 CAS 27908-75-4

Āhuatanga matū:

Tātai rāpoi	C18H7Cl4NO2
Molar Mass	411.07
Kiato	1.638
Te Whakarewa	>350 °C(Whakatika: waihā (64-17-5))
Piro Pouri	624.2±55.0 °C(I Matapaetia)
Tohu Kohiko	331.281°C
Kohu Kohu	0mmHg i te 25°C
pKa	-3.26±0.20(I Matapaetia)
Taurangi Refactive	1.716

Tukuna he imeera ki a matou

Taipitopito Hua

Tohu Hua

Kupu Whakataki

Ko te Solvent Yellow 157 he waikano waro, e mohiotia ana ko Direct Yellow 12. Ko tona ingoa matū ko 3-[(2-Chlorophenyl)azo]-4-hydroxy-N,N-bis(2-hydroxyethyl)aniline, me te tātai matū ko C19H20ClN3O3. He totoka paura kowhai.

Ko te Solvent Yellow 157 te nuinga o te whakamahi hei waikano i runga i te Solvent, ka taea te rewa i roto i nga whakarewa waro, penei i te acetone, te waipiro me te whakarewa ether. Ka taea te whakamahi ki te waikano hua penei i te kirihou, te kapia, te peita, te paninga, te muka me te waituhi. Ka taea hoki te whakamahi mo te tae mo nga rama me nga papa ware pi.

Ko te tikanga mo te whakarite Solvent Yellow 157 ko te tikanga ma te tauhohe i te 2-chloroaniline me te 2-hydroxyethylaniline, me te mahi i te tauhohenga hono i raro i nga tikanga e tika ana. Ko te hua tauhohenga i whakamaataatahia, ka tātarihia kia puta he Solvent Yellow 157 parakore.

Mo nga korero haumaru, he morearea te Solvent Yellow 157. Ka whakapataritari pea i nga kanohi, kiri me te ngongo, no reira whakamahia nga tikanga whakamarumaru e tika ana, penei i te mau karapu tiaki me nga karaehe. I tua atu, karohia te pupuhi i te puehu me te mahi i roto i te waahi pai-hau.

Tōmua: Marara Kowhai 241 CAS 83249-52-9

Panuku: P-Kowhai 147 CAS 4118-16-5

Tuhia to korero ki konei ka tukuna mai ki a matou