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5 5-Dimethyl-1 3-oxazolidine-2 4-dione(CAS# 695-53-4)

Āhuatanga matū:

Tātai rāpoi C5H7NO3
Molar Mass 129.11
Kiato 1.3816 (whakatau tata)
Te Whakarewa 77-80 °C (marama)
Piro Pouri 137 °C / 6mmHg
Tohu Kohiko 44.2°C
Wairewa Chloroform, Ethyl Acetate
Kohu Kohu 4.01mmHg i te 25°C
Te ahua Paura Tioataata
Tae
Merck 14,3213
BRN 113541
pKa 6.13(i te 37 ℃)
Tikanga Rokiroki 2-8°C
Taurangi Refactive 1.4220 (whakatau tata)
Āhuatanga ā-tinana, matū hoki Ira whakarewa 75-80°C

Taipitopito Hua

Tohu Hua

Waehere Morearea R20/21/22 – He kino ma te horomia, ka pa ki te kiri me te horomia.
R40 – Nga taunakitanga iti o te paanga mate pukupuku
R33 – Te kino o nga paanga whakahiato
R36/37/38 – He whakapataritari ki nga kanohi, te punaha manawa me te kiri.
Whakaahuatanga Haumaru S22 – Kaua e pupuhi puehu.
S36 – Mau kakahu whakamarumaru tika.
S24/25 – A ape i te pa ki te kiri me nga kanohi.
S23 – Kaua e hau kohu.
S36/37 – Mau kakahu whakamarumaru me nga karapu tika.
S26 – Mena ka pa ki nga kanohi, horoi tonu ki te nui o te wai me te rapu tohutohu hauora.
WGK Tiamana 3
RTECS RP9100000
TSCA Ae
Waehere HS 29349990
Te paitini LD50 iv i nga kiore: 450 mg/kg (Stoughton)

 

Kupu Whakataki

Ko te Dimethyldione he matū matū me te ingoa matū ko methylbenzophenone. E whai ake nei he kupu whakataki mo nga rawa, nga whakamahinga, nga tikanga whakarite me nga korero haumaru o te dimetethone:

 

Kounga:

- Te ahua: He wai marama kore tae, he kowhai marama ranei.

- Wairewa: Ka whakarewahia ki te wai, ki te waipiro me te whakarewa ether.

- Kakara: He kakara reka motuhake.

 

Whakamahia:

- Kei te whakamahia nuitia te Dimethyldiketone i roto i te whakahiato matū hei whakarewa, hei whakaheke, hei whakakorikori.

- Ka taea te whakamahi hei takawaenga nui i roto i te whakahiato waro me te whai waahi ki te whakahiatotanga o nga momo puhui waro.

 

Tikanga:

- Ko te tikanga whakareri e whakamahia nuitia ana ko te tauhohe i te waikawa benzoic me te waikawa pungatara me te waikawa phosphoric ki te whiwhi benzoyl chloride, katahi ka tauhohe ki te methanol me te konutai warowaiha ki te whiwhi dimethyldione.

- He maha atu nga huarahi hei whakarite i te dimethyldione, penei i te waikawa chloroformic me te tauhohenga phenylisocyanate, na te chloroazobenzene me te tauhohenga dimethylamine protonated, etc.

 

Mōhiohio Haumaru:

- Ko te Dimethyldiketone he puhui pararopi me etahi paitini, a, ki te nui o te rongo, ki te whakangohanga ranei, ka kino te tinana o te tangata.

- Me penapena te Methadiketone ki roto i te ipu hau, kia matara atu i te mura me te waiora.

- Kia mau i nga karapu whakamarumaru me nga karaehe i te wa e whakamahi ana me te karo i te pa ki te kiri me nga kanohi.

- Ko nga tikanga whakahaere haumaru me nga aratohu e tika ana me whai i roto i nga mahi taiwhanga, ahumahi ranei.


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