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4-Methylvaleric acid(CAS#646-07-1) Atahanga Whakaatu
  • 4-Methylvaleric acid(CAS#646-07-1) 1

4-Methylvaleric acid(CAS#646-07-1)

Āhuatanga matū:

Tātai rāpoi C6H12O2
Molar Mass 116.16
Kiato 0.923 g/mL i te 25 °C (marama)
Te Whakarewa -35 °C
Piro Pouri 199-201 °C (marama)
Hurihuri motuhake(α) n20/D 1.414 (marama)
Tohu Kohiko 207°F
Nama JECFA 264
Wairewa wai KAUPAPA
Wairewa He iti te wairewa ki te wai, ka memeha ki te waiwaro me te etera.
Kohu Kohu 0.131mmHg i te 25°C
Te ahua Waiwai
Te taumahatanga motuhake 0.923
Tae He maama kore tae ki te paku kowhai
BRN 1741912
pKa 4.84(i te 18 ℃)
Tikanga Rokiroki Whakaorangia ki raro +30°C.
Te pumau Eu ana. He hotokore ki nga turanga kaha, nga mea whakahaora kaha.
Taurangi Refactive n20/D 1.414(marama)
MDL MCD00002803
Āhuatanga ā-tinana, matū hoki He wai kore tae ki te kowhai kowhai, kawa, kawa. Ira kohua 199~201 deg C.

Taipitopito Hua

Tohu Hua

Waehere Morearea R21 – He kino ki te pa ki te kiri
R38 – He whakapouri ki te kiri
R34 – He weranga
Whakaahuatanga Haumaru S36/37 – Mau kakahu whakamarumaru me nga karapu tika.
S45 – Ki te puta he aitua, ki te kore ranei koe e pai, rapu wawe i nga tohutohu hauora (whakaatuhia te tapanga ina taea.)
S36/37/39 – Mau kakahu whakamarumaru tika, karapu me te whakamarumaru kanohi/kanohi.
S25 – Kati te pa atu ki nga kanohi.
UN ID UN 2810 6.1/PG 3
WGK Tiamana 3
RTECS NR2975000
FLUKA BRAND F CODES 13
TSCA T
Waehere HS 29159080
Te akomanga morearea 8
Roopu Tarapi III

 

Kupu Whakataki

Ko te waikawa 4-Methylvaleric, e mohiotia ana ko te waikawa isovaleric, he puhui waro. E whai ake nei he kupu whakataki poto mo tona ahuatanga, te whakamahinga, te tikanga whakarite me nga korero haumaru:

 

Kounga:

- Te ahua: Te wai kore tae

- Wairewa: Ka whakarewahia i roto i te wai me te whakarewa pararopi

- Te kakara: He kakara kawa he rite ki te waikawa acetic

 

Whakamahia:

- I roto i te ahumahi kakara, ka taea te whakamahi ki te whakahiato i nga reka o nga hua, huawhenua me nga kai reka.

- I roto i te ahumahi whakakikorua, ka whakamahia hei whakarewa me te kirihou.

 

Tikanga:

- 4-Methylpentanoic acid ka taea te whakarite ma te tauhohenga o te waikawa isovaleric me te waro monoxide i te aroaro o te marama.

- He maha nga wa e whakamahia ai nga whakakorikori penei i te waikawa aluminika, te konupora warowaiha ranei i roto i te tauhohenga.

 

Mōhiohio Haumaru:

- Ko te waikawa 4-Methylpentanoic he wai muramura, me waiho kia matara atu i te mura ahi me te wera nui.

- Mau taputapu whakamarumaru e tika ana, penei i nga karapu me te tiaki kanohi, ina whakamahia.

- A ape i te ngongo, te kai, te pa ranei ki te kiri me nga kanohi i te wa e hapai ana.

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