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Acetaldehyde(CAS#75-07-0)

Chemical Property:

Molecular Formula C2H4O
Molar Misa 44.05
Density 0.785 g/mL pa25 °C (lit.)
Melting Point -125 °C (lit.)
Boling Point 21 °C (lit.)
Flash Point 133°F
Nhamba yeJECFA 80
Mvura Solubility > 500 g/L (20 ºC)
Solubility doro: zvinonyungudika
Vapor Presure 52 mm Hg ( 37 °C)
Vapor Density 1.03 (vs mhepo)
Chitarisiko mhinduro
Specific Gravity 0.823 (20/4℃) (?90% Soln.)
Color Muchena kusvika kure-chena
Kunhuwa Kunhuhwirira, kunhuhwirira kunoonekwa pa 0.0068 kusvika 1000 ppm (kureva = 0.067 ppm)
Exposure Limit 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(pa25 ℃)
PH 5 (10g/l, H2O, 20℃)
Storage Condition 2-8°C
Kugadzikana Yakagadzikana, asi inonzwa mhepo. Zvinhu zvinofanira kudziviswa zvinosanganisira maoxidizing akasimba, maasidhi akasimba, zvinoderedza, alkali, halogens, halogen oxides. Kupisa zvakanyanya. Utsi/musanganiswa wemhepo unoputika
Sensitive Air Sensitive
Explosive Limit 4-57%(V)
Refractive Index n20/D 1.377
Zvenyama uye Chemical Properties Zvisina ruvara, zvinopisa, zvinoputika, zviri nyore kuyerera kwemvura, inonhuwira uye inonhuwa.
kunyungudika -123.5 ℃
kuvira poindi 20.16 ℃
hukama density 0.7780
refractive index 1.3311
flash point -38 ℃
kunyungudika mumvura, ethanol, diethyl ether, benzene, peturu, toluene, xylene uye acetone zvinosanganiswa.
Shandisa Inonyanya kushandiswa kugadzirira acetic acid, acetic anhydride, butyl aldehyde, octanol, pentaerythritol, triacetaldehyde uye mamwe akakosha makemikari zvinhu.

Product Detail

Product Tags

Risk Codes R23/24/25 – Muchetura nekufemerwa, kubatwa neganda uye kana kumedzwa.
R34 – Inokonzera kusvirwa
R40 - Humbowo hushoma hwekuita carcinogenic
R43 - Inogona kukonzera kunzwisiswa nekubata ganda
R36/37 - Inotsamwisa maziso uye kufema system.
R12 - Kunyanya Kupisa
R67 - Mhepo inogona kukonzera hope uye dzungu
R11 - Inopisa zvakanyanya
R41 - Njodzi yekukuvara kwakakomba kwemaziso
R22 – Zvinokuvadza kana ikamedzwa
R10 - Inopfuta moto
R19 - Inogona kuumba peroxides inoputika
Tsanangudzo Yekuchengetedza S36/37 - Pfeka zvipfeko zvekudzivirira zvakakodzera uye magurovhosi.
S33 - Tora matanho ekudzivirira kubva kune static dischages.
S16 - Chengetedza kure nenzvimbo dzekudzima.
S26 – Kana wasangana nemaziso, sukurudza nekukurumidza nemvura yakawanda uye tsvaga mazano ekurapwa.
UN IDs UN 1198 3/PG 3
WGK Germany 2
RTECS LP8925000
FLUKA BRAND F CODES 10
TSCA Ehe
HS Code 29121200
Hazard Kirasi 3
Packing Group I
Muchetura LD50 nemuromo mumakonzo: 1930 mg/kg (Smyth)

 

Nhanganyaya

Acetaldehyde, inozivikanwawo seacetaldehyde kana ethylaldehyde, ndeye organic compound. Iyi inotevera sumo kune zvivakwa, kushandiswa, nzira dzekugadzirira uye ruzivo rwekuchengetedza acetaldehyde:

 

Hunhu:

1. Imvura isina ruvara ine spicy uye inonhuwa.

2. Inonyungudika mumvura, doro uye zvinonyungudutsa ether, uye inogona kushanduka.

3. Iine polarity yepakati uye inogona kushandiswa sechinhu chakanaka chekunyungudutsa.

 

Shandisa:

1. Inoshandiswa zvakanyanya mukugadzirwa kwemaindasitiri.

2. Icho chinhu chakakosha mbishi yekugadzirwa kwemamwe makomisheni.

3. Inogona kushandiswa kugadzira makemikari akadai sevinyl acetate uye butyl acetate.

 

Nzira:

Pane nzira dzinoverengeka dzekugadzira acetaldehyde, iyo inonyanya kugadzirwa necatalytic oxidation ye ethylene. Iyo nzira inoitwa uchishandisa oxygen uye simbi catalysts (semuenzaniso, cobalt, iridium).

 

Zvekuchengetedza

1. Icho chinhu chine chepfu, chinogumbura ganda, maziso, nzira yekufema uye digestive system.

2. Iri zvakare mvura inopfuta, inogona kukonzera moto kana yaiswa pachena murazvo wakazaruka kana kupisa kwakanyanya.

3. Nzira dzakakodzera dzekuchengetedza dzinofanira kutorwa paunenge uchishandisa acetaldehyde, sekupfeka magirovhosi ekudzivirira, magirazi uye kufema, uye kuve nechokwadi kuti inoshanda munzvimbo ine mhepo yakanaka.


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