Acetaldehyde(CAS#75-07-0)

Meatotino tau vailaau:

Fuafua mole	C2H4O
Molar Mass	44.05
Malosi	0.785 g/mL ile 25 °C (malamalama)
Lisi Lisi	-125 °C (malamalama)
Manu'a	21 °C (malamalama)
Mata'imu	133°F
Numera JECFA	80
Suavai Solubility	> 500 g/L (20 ºC)
Solubility	ava malosi: solu
Ausa Malo	52 mm Hg (37 °C)
Ausa Malosi	1.03 (vs ea)
Fa'aaliga	fofo
Gravity Fa'apitoa	0.823 (20/4℃) (?90% Soln.)
Lanu	Pa'epa'e e pa'epa'e
Sogisogi	Le manogi manogi suamalie e mafai ona iloa ile 0.0068 i le 1000 ppm (mean = 0.067 ppm)
Tapulaa o Fa'aaliga	TLV-TWA 180 mg/m3 (100 ppm) (ACGIH),360 mg/m3 (200 ppm) (NIOSH); STEL270 mg/m3 (150 ppm); IDLH 10,000 ppm.
Merck	14,39
BRN	505984
pKa	13.57(i le 25℃)
PH	5 (10g/l, H2O, 20 ℃)
Tulaga Teuteu	2-8°C
Maumau	Maumau, ae maaleale i le ea. O mea e tatau ona aloese mai ai e aofia ai vailaʻau faʻamaʻi malosi, vailaʻau malosi, mea faʻaitiitia, alkalies, halogens, halogen oxides. Sili ona mu. Fa'afefiloiga ausa/ea pāpā
Ma'ale'ale	Ea maaleale
Tapulaa Pa	4-57%(V)
Fa'asino Upu	n20/D 1.377
Meatotino Faaletino ma Vailaau	Le lanu, mu, fe'avea'i, faigofie ona tafe mai le vai, manogi ma le manogi manogi. mea liusuavai -123.5 ℃ mea vevela 20.16 ℃ va'aiga fa'atatau 0.7780 fa'asino ole su'esu'e 1.3311 mea moli -38 ℃ solubility i le vai, ethanol, diethyl ether, benzene, gasoline, toluene, xylene ma acetone e micible.
Fa'aoga	E masani ona faʻaaogaina mo le saunia o le acetic acid, acetic anhydride, butyl aldehyde, octanol, pentaerythritol, triacetaldehyde ma isi mea taua vailaʻau.

Auina imeli ia matou

Fa'amatalaga Oloa

Faailoga o oloa

Tulaga lamatia	R23/24/25 – O'ona pe a manava, fa'afeso'ota'i ma pa'u ma pe a foloina. R34 – Mafua ai mu R40 – Fa'amaoniga fa'atapula'a o se a'afiaga tuga R43 – E ono fa'atupu ai le fa'alogoina e ala ile pa'i ile pa'u R36/37 – E ita i mata ma le manava. R12 – Sili ona mu R67 – O ausa e ono mafua ai le tulemoe ma le niniva R11 – Sili ona mu R41 – Tulaga lamatia o le faaleagaina mata R22 – E afaina pe a foloina R10 – Mumu R19 – E mafai ona fausia ai ni peroxide pāpā
Fa'amatalaga Saogalemu	S36/37 – Fai ofu puipui ma totigilima talafeagai. S33 – Fa'asagatau fa'asagatau le lafoa'i. S16 – Tausia mai mea e mu ai. S26 – Pe a pa'i i mata, fufulu vave i le tele o vai ma saili fautuaga fa'afoma'i.
UN ID	UN 1198 3/PG 3
WGK Siamani	2
RTECS	LP8925000
FLUKA BRAND F CODES	10
TSCA	Ioe
HS Code	29121200
Vasega o Tulaga Lamatia	3
Fa'aputu Vaega	I
Oona	LD50 tuugutu i isumu: 1930 mg/kg (Smyth)

Folasaga

Acetaldehyde, e ta'ua fo'i o le acetaldehyde po'o le ethylaldehyde, o se fa'alapotopotoga fa'aola. O lo'o ta'ua i lalo se fa'amatalaga i meatotino, fa'aoga, metotia sauniuni ma fa'amatalaga saogalemu o le acetaldehyde:

Tulaga lelei:

1. O se vai e le lanu ma se manogi manogi ma manogi.

2. E solu i le vai, ava malosi ma ether solvents, ma e mafai ona fealuai.

3. E i ai le polarity feololo ma e mafai ona faʻaaogaina e avea o se solvent lelei.

Fa'aaogā:

1. E masani ona faʻaaogaina i gaosiga faʻapisinisi.

2. O se mea mata'utia taua mo le tu'ufa'atasiga o isi fa'apotopotoga.

3. E mafai ona faʻaaogaina e gaosia ai vailaʻau e pei o le vinyl acetate ma le butyl acetate.

Metotia:

E tele auala e saunia ai le acetaldehyde, o le mea e masani ona gaosia e ala ile catalytic oxidation ole ethylene. O le fa'agasologa o lo'o fa'atinoina i le fa'aaogaina o le okesene ma le u'amea (eg, cobalt, iridium).

Fa'amatalaga Saogalemu:

1. Ose vaila'au o'ona, e fa'afefe ai le pa'u, mata, fa'amama ma le fa'amamago.

2. O se vai e mu, e mafai ona tupu ai le afi pe a faʻaalia i le mumū matala poʻo le maualuga o le vevela.

3. E tatau ona faia ni puipuiga talafeagai pe a fa'aogaina le acetaldehyde, e pei o le ofuina o totigilima puipui, mata tioata ma manava, ma fa'amautinoa o lo'o galue i se si'osi'omaga e savili lelei.

Muamua: 1-Nonanal(CAS#124-19-6)

Sosoo ai: Heptaldehyde(CAS#111-71-7)

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