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ʻO ka Methyl tert-butyl ether
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Nā Māhele Huahana

ʻO ka Methyl tert-butyl ether

ʻO Methyl tert-butyl ether (MTBE) kahi wai ʻole kala, moakaka i ka mahana o ka lumi, ʻaʻole hiki ke hoʻoheheʻe ʻia i ka wai akā hiki ke hoʻoheheʻe ʻia i loko o ka ethanol a me ka diethyl ether. He mea hoʻohui gasoline octane kiʻekiʻe a me ka mea anti-knock, i hoʻohana nui ʻia e hoʻonui i ka helu octane a me ka hana anti-knock o ka gasoline. Eia kekahi, he haʻahaʻa ka mahu o MTBE a me nā waiwai evaporation maikaʻi loa, e hāʻawi ana iā ia i ka volatility maikaʻi a me ka hana puhi ʻana i ka gasoline.

  • CAS 1634-04-4
  • Formula Kemika C₅H₁₂O

Palena Huahana

Mea

Papa Kuhikuhi

Kaumaha Molekala

88.15

EINECS

216-653-1

Kiko Heheʻe

-110℃

Kikowaena paila

55-56℃ (mālamalama ʻia)

Ka nui o ka paʻa

0.7404

Ka nui o ka mahu

3.1(vs ea)

Kaomi mahu

4.05 psi(20℃)

ʻIneki Refractive

n20/D 1.369(lit.)

Kikowaena Uila

-27°F

Nā Kūlana Mālama

E mālama ma +2℃ a i +25℃

Ka hiki ke hoʻoheheʻe ʻia

ʻO ka solubility i ka wai he 42 grams no ka lita.

ʻAno o ke kino

Pauka a ʻākikala paha

Ka Umekaumaha Kūikawā

0.740

Waihoʻoluʻu

MAʻANEʻI: ≤10

Polarity pili

0.124

ʻAla

ʻAla ʻokoʻa o ka ether

Palena pahū

1.5-8.5%(V)

Ka hoʻoheheʻe ʻana i ka wai

51 g/L (20 ºC)

Kiko Paʻahau

-108.6℃

Merck

14,6032

BRN

1730942

Ka palena hōʻike

ACGIH: TWA 50 ppm

Paʻa Dielectric

4.5

Paʻa

Paʻa, akā hiki ke hana i nā peroxides pahū ke ʻike ʻia i ka lewa. Hiki ke lapalapa loa - e hoʻomaopopo i ka wahi flash haʻahaʻa. Kūlike ʻole me nā mea oxidizing ikaika

ʻInChIKy

BZLVMXJERCGZMT-UHFFFAOYSA-N

LogP

1.06 ma 20 ℃

ʻO ke kaumaha o ka ʻili

18.7mN/m ma 293.15K


Mea

Hopena Hoʻāʻo

helehelena

Wai moakaka ʻole kala, ʻaʻohe haumia mechanical

Methanol, wt%

0.020

ʻAsetone, wt%

0.032

Tert-butanol, wt%

0.111

MTBE, wt%

99.24

Methyl Sec-Butyl Ether, wt%

0.019

C4 Nā Hydrocarbons, wt%

0.036

Dimera, wt%

0.023

Ka nui o ka wai, mg/kg

56

Ka nui o ka sulfur, mg/kg

2.7

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