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Paraldehyde(CAS#123-63-7)

Āhuatanga matū:

Tātai rāpoi C6H12O3
Molar Mass 132.16
Kiato 0.994 g/mL i te 20 °C (marama)
Te Whakarewa 12 °C
Piro Pouri 65-82°C
Tohu Kohiko 30°F
Wairewa wai 125 g/L (25 ºC)
Wairewa 120g/l
Kohu Kohu 25.89 psi ( 55 °C)
Kohu Kohu 1.52 (me te hau)
Te ahua otinga
Te taumahatanga motuhake 0.994
Tae Te wai kore tae
Te kakara te reka kino, te kakara kakara
Merck 13,7098
BRN 80142
pKa 16(i te 25 ℃)
Tikanga Rokiroki 2-8°C
Te pumau Eu ana. He mura ahi. He hotokore ki te kaha o te waiora, waikawa kohuke.
Tepe Pahū 1.3-17.0%(V)
Taurangi Refactive n20/D 1.39
Āhuatanga ā-tinana, matū hoki He wai karekau, he wai ranu he waerau o te acetaldehyde toru-ngotaota.
ira whakarewa 12 .5 ℃
ira kohua 128 ℃
kiato whanaunga 0.994
taupū whakaata 1.405
te memehatanga ka memeha noa ki te wai wera, ka uru ki te waipiro me te etera.
Whakamahi Mo te ahumahi ho'oraa, Organic synthesis

Taipitopito Hua

Tohu Hua

Nga Tohu Whakamate F – He mura ahi
Waehere Morearea R11 – Tino muramura
R10 – He mura ahi
Whakaahuatanga Haumaru S9 – Puritia te ipu ki te waahi whai hau pai.
S16 – Kia matara atu i nga puna o te mura.
S29 – Kaua e ringihia ki roto i nga awaawa.
S33 – Whakatupato ki nga tukunga pateko.
UN ID UN 1993 3/PG 2
WGK Tiamana 1
RTECS YK0525000
Waehere HS 29125000
Te akomanga morearea 3.2
Roopu Tarapi III
Te paitini LD50 ā-waha ki te kiore: 1.65 g/kg (Figot)

 

Kupu Whakataki

Triacetaldehyde. E whai ake nei he kupu whakataki poto mo tona ahuatanga, te whakamahinga, te tikanga whakangao me nga korero haumaru.

 

Kounga:

Ko te Acetaldehyde he paura tioata kore tae ki te kowhai kowhai me te reka reka.

Ko te papatipu ngota ngota whanaunga he 219.27 g/mol.

I te pāmahana rūma, ka whakarewahia te triacetaldehyde ki te wai, te mewaro, te waiwaro me te whakarewa etera. Ka pirau i nga wera nui.

 

Whakamahia:

Ka taea hoki te whakamahi i te Acetaldehyde ki te whakarite i nga taonga hiko, te whakarereke i te kapia, te aukati mura o te muka me etahi atu mara ahumahi.

 

Tikanga:

Ka taea te whiwhi acetaldehyde ma te waikawa-catalyzed polymerization o te acetaldehyde. He uaua te tikanga whakarite motuhake, e hiahia ana ki etahi tikanga whakamatautau me nga whakakorikori, me te tikanga he tauhohenga i te 100-110 °C.

 

Mōhiohio Haumaru:

Ko te Acetaldehyde he paitini me te whakapouri i te tinana o te tangata i tetahi wa, me tupato kia kore e pa ki te kiri, nga kanohi me te waahanga manawa i te wa e whakamahi ana.

Ina pa ana ki tetahi puna ahi, he muramura te polyacetaldehyde, me waiho kia matara atu i te mura ahi me te wera nui.

I te wa e whakamahi ana, e rongoa ana ranei i te triacetaldehyde, me tiaki he taiao hau pai, kia matara atu i nga mea whakahaora.

I te wa e whakahaere ana i te meretaldehyde, mau taputapu whakamarumaru e tika ana penei i nga karapu, karaehe whakamarumaru, me nga kaarei whakamarumaru.

 


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