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DL-3-Methylvaleric acid(CAS#105-43-1)

Āhuatanga matū:

Tātai rāpoi C6H12O2
Molar Mass 116.16
Kiato 0.93 g/mL i te 25 °C (marama)
Te Whakarewa -41 °C
Piro Pouri 196-198 °C (marama)
Tohu Kohiko 185°F
Nama JECFA 262
Wairewa wai korekore
Kohu Kohu 0.147mmHg i te 25°C
Te ahua wai marama
Te taumahatanga motuhake 0.930
Tae Taekore ki Tata kore tae
BRN 1720696
pKa pK1:4.766 (25°C)
Tikanga Rokiroki I hiri ki te maroke, Te Pawera o te rūma
Taurangi Refactive n20/D 1.416(marama)
Āhuatanga ā-tinana, matū hoki Te wai kore tae, te kakara otaota kawa, me te kakara o te tarutaru. Ira kohua d-110 deg C (4000Pa);l-196~197 deg C;. Dl-197.5 deg C; Wāhanga koropupū 197~198 deg C. Kiato pātahi, d-(d420.5)0.9276;l-(d425)0.9230;dl-(d420)0.9262. Taupū Reractive d-(nD20.5)1.4158;l-(nD25)1.4152;dl-(nD20)1.4159. Te hurihanga whatu d-[α]D20 8.5 ° (i roto i te waihā);l-[α]D20-8.9 ° (i roto i te waihā). Ira hiko 85. Kei roto i te tiihi nga hua maori me era atu mea.

Taipitopito Hua

Tohu Hua

Nga Tohu Whakamate C – Huka
Waehere Morearea 34 – He weranga
Whakaahuatanga Haumaru S26 – Mena ka pa ki nga kanohi, horoi tonu ki te nui o te wai me te rapu tohutohu hauora.
S36/37/39 – Mau kakahu whakamarumaru tika, karapu me te whakamarumaru kanohi/kanohi.
S45 – Ki te puta he aitua, ki te kore ranei koe e pai, rapu wawe i nga tohutohu hauora (whakaatuhia te tapanga ina taea.)
UN ID UN 3265 8/PG 2
WGK Tiamana 3
FLUKA BRAND F CODES 13
TSCA T
Waehere HS 29159080
Tuhipoka morearea Haehae
Te akomanga morearea 8
Roopu Tarapi II

 

Kupu Whakataki

Ko te waikawa 3-Methylpentanoic he pūhui waro. E whai ake nei he kupu whakataki mo nga rawa, nga whakamahinga, nga tikanga whakarite me nga korero haumaru o te waikawa 3-methylpentanoic:

 

Kounga:

- Te ahua: 3-Methylpenteric acid he wai kore tae.

- Wairewa: Ka whakarewahia ki te wai me nga whakarewa pararopi noa.

- Te kakara: He kakara kawa kawa.

 

Whakamahia:

- Ko te waikawa 3-Methylpentanoic he maha nga wa e whakamahia ana hei takawaenga matū i roto i te whakahiato o etahi atu puhui waro.

- Ka taea hoki te whakamahi hei whakakorikori i etahi waahi.

 

Tikanga:

- Ka taea te whiwhi waikawa 3-Methylpenteric ma te taapiri polymerization o te propylene carbonate. Ka tauhohe te methylvaleric anhydride ki te methacrylenol i roto i te whakarewa tauhohenga hei hanga 3-methylpentanoate. Na, ka tauhohehia te waikawa 3-methylvaleric ki te waikawa hydrocyanic ki te whiwhi waikawa 3-methylpentanoic.

 

Mōhiohio Haumaru:

- Ko te 3-Methylpentanoic acid he whakapouri ka pa ki te kiri me nga kanohi. Me mau nga karapu tiaki me te whakamarumaru kanohi ina whakamahi.

- I te wa o te rokiroki me te whakamahi, he mea tika ki te pupuri i te taiao pai-hau me te karo i te pa ki te ahi.


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