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(S)-a-chloropropionic acid(CAS#29617-66-1)

Āhuatanga matū:

Tātai rāpoi C3H5ClO2
Molar Mass 108.52
Kiato 1.249 g/mL i te 25 °C (marama)
Te Whakarewa 4 °C
Piro Pouri 77 °C/10 mmHg (marama)
Hurihuri motuhake(α) -14.5º (c=tika)
Tohu Kohiko 140°F
Wairewa wai wairewa
Kohu Kohu 5hPa i te 20 ℃
Te ahua Waiwai
Tae Kowhai marama marama
BRN 1720257
pKa 2.83(i te 25 ℃)
Tikanga Rokiroki 2-8°C
Taurangi Refactive n20/D 1.436
Whakamahi Mo te whakahiatotanga o nga otaota waikawa propionic kakara

Taipitopito Hua

Tohu Hua

Nga Tohu Whakamate C – Huka
Waehere Morearea R21/22 – He kino ki te pa ki te kiri me te horomia.
R35 – He wera nui
R48/22 – He kino kino o te kino kino ki te hauora ma te roa o te rongo mena ka horomia.
Whakaahuatanga Haumaru S23 – Kaua e hau kohu.
S26 – Mena ka pa ki nga kanohi, horoi tonu ki te nui o te wai me te rapu tohutohu hauora.
S28 – I muri i te pa ki te kiri, horoi tonu ki te maha o te hopi-hu.
S36/37/39 – Mau kakahu whakamarumaru tika, karapu me te whakamarumaru kanohi/kanohi.
S45 – Ki te puta he aitua, ki te kore ranei koe e pai, rapu wawe i nga tohutohu hauora (whakaatuhia te tapanga ina taea.)
UN ID UN 2511 8/PG 3
WGK Tiamana 1
RTECS UA2451950
Waehere HS 29159080
Te akomanga morearea 8
Roopu Tarapi III

 

Kupu Whakataki

Ko te S-(-)-2-chloropropionic acid he pūhui waro. E whai ake nei he kupu whakataki mo ona rawa, ona whakamahinga, tikanga hanga me nga korero haumaru:

 

Ngā Āhuatanga: S-(-)-2-chloropropionic acid he wai kāre he tae me te kakara reka. He wairewa i roto i te wai me te waiwaro me te kore e rewa i te ether. I te pāmahana rūma, he iti te pehanga kohu.

 

Whakamahinga: Ko te waikawa S-(-)-2-chloropropionic e whakamahia ana hei reagent, whakakorikori me te takawaenga i roto i te whakahiato waro.

 

Te tikanga whakarite: E rua nga tikanga whakarite matua o te waikawa S-(-)-2-chloropropionic. Ko tetahi tikanga ko te tiki i te tote konutai o S-(-)-2-chloropropionate ma te tauhohenga o te phenylsulfonyl chloride me te konutai ethanol albutan, katahi ka whakawaawatia kia puta ai te hua i whakaritea. Ko tetahi atu tikanga ko te whakamaarama ma te hexanone me te hauwai pūhaumāota i te aroaro o te hāora, ka whai i te waikawa kia whiwhi ai i te hua kua tohua.

 

Nga korero mo te haumaru: S-(-)-2-chloropropionic acid he mea whakapataritari, me karo ki te pa ki te kiri me nga kanohi. Ko nga taputapu whakamarumaru e tika ana, penei i nga karapu me nga karaehe, me mau i te wa e mahi ana. Whakaorangia ki te waahi hau, kia matara atu i te ahi me nga waiora.


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