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Isobutyl acetate(CAS#110-19-0)

Āhuatanga matū:

Tātai rāpoi C6H12O2
Molar Mass 116.16
Kiato 0.867 g/mL i te 25 °C (marama)
Te Whakarewa -99 °C (marama)
Piro Pouri 115-117 °C (marama)
Tohu Kohiko 71°F
Nama JECFA 137
Wairewa wai 7 g/L (20 ºC)
Wairewa wai: wairewa5.6g/L i te 20°C
Kohu Kohu 15 mm Hg (20 °C)
Kohu Kohu >4 (me te hau)
Te ahua Waiwai
Tae Maamaa
Te kakara He kakara pai nga hua i roto i nga kukū iti, he kino ki nga kukū teitei; ngawari, huru
Tepe Whakaaturanga TLV-TWA 150 ppm (~700 mg/m3) (ACGIH,MSHA, me OSHA); IDLH 7500 ppm(NIOSH).
Merck 14,5130
BRN 1741909
PH 5 (4g/l, H2O, 20 ℃)
Tikanga Rokiroki Whakaorangia ki raro +30°C.
Tepe Pahū 2.4-10.5%(V)
Taurangi Refactive n20/D 1.39(marama)
Āhuatanga ā-tinana, matū hoki He wai-ma te wai me te kakara hua Ester.
ira whakarewa -98.6 ℃
ira kohua 117.2 ℃
kiato whanaunga 0.8712
taupū whakaata 1.3902
ira hiko 18 ℃
te whakarewatanga, te ether me te waiwaro me etahi atu whakarewa pararopi ka miro.
Whakamahi Ko te nuinga o te whakamahi hei diluent mo te peita Nitro me te peita vinyl chloride, ka taea hoki te whakamahi hei whakarewa, ka taea hoki te whakamahi hei diluent mo te whakapiri kirihou, te ahumahi rongoa, me era atu.

Taipitopito Hua

Tohu Hua

Nga Tohu Whakamate F – He mura ahi
Waehere Morearea R11 – Tino muramura
R66 – Ka maroke te kiri, ka pakaru ranei te kiri
Whakaahuatanga Haumaru S16 – Kia matara atu i nga puna o te mura.
S23 – Kaua e hau kohu.
S25 – Kati te pa atu ki nga kanohi.
S29 – Kaua e ringihia ki roto i nga awaawa.
S33 – Whakatupato ki nga tukunga pateko.
UN ID UN 1213 3/PG 2
WGK Tiamana 1
RTECS AI4025000
TSCA Ae
Waehere HS 2915 39 00
Te akomanga morearea 3
Roopu Tarapi II
Te paitini LD50 ā-waha i roto i te Rapeti: 13400 mg/kg LD50 dermal Rabbit > 17400 mg/kg

 

Kupu Whakataki

Whakauru Matua: Ester

 

Ko te isobutyl acetate (isobutyl acetate), e mohiotia ana ko "isobutyl acetate", ko te hua esterification o te waikawa acetic me te 2-butanol, te wai marama kore tae i te pāmahana rūma, ka uru ki te ethanol me te ether, he iti te wairewa i roto i te wai, he mura, me nga hua pakeke. kakara, te nuinga whakamahia hei whakarewa mo te nitrocellulose me te lacquer, me te reagents matū me te hā.

 

Ko te isobutyl acetate he ahuatanga angamaheni o nga esters, tae atu ki te hydrolysis, te waipiro, te aminolysis; Ko te taapiri me te reagent Grignard (Grignard reagent) me te lithium alkyl, kua whakahekehia e te hauwai catalytic me te lithium konumohe hydride (lithium aluminum hydride); Claisen condensation tauhohenga ki a ia ano me etahi atu hauota (Claisen condensation). Ko te Isobutyl acetate ka taea te kite i te kounga me te hydroxylamine hydrochloride (NH2OH · HCl) me te ferric chloride (FeCl ), etahi atu esters, acyl halides, ka pa te anhydride ki te whakamatautau.


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