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3,4-Dimethylphenol(CAS#95-65-8)

Āhuatanga matū:

Tātai rāpoi C8H10O
Molar Mass 122.16
Kiato 1,138 g/cm3
Te Whakarewa 65-68°C
Piro Pouri 227°C(marama)
Tohu Kohiko 61 °C
Nama JECFA 708
Wairewa wai PAHI KAUPAPA
Wairewa Chloroform (Paku), Ethyl Acetate (Paku), Methanol (Paku)
Kohu Kohu 0.475-130Pa i te 25-66.2 ℃
Te ahua Paura Tioataata
Tae Kirīmi ma-ma ki te koma
Tepe Whakaaturanga ACGIH: TWA 1 ppm
Merck 14,10082
BRN 1099267
pKa pK1:10.32 (25°C)
Tikanga Rokiroki Whakaorangia ki raro +30°C.
Tepe Pahū 1.4%(V)
Taurangi Refactive 1.5442
Āhuatanga ā-tinana, matū hoki Pūāhua: tioata ngira ma.
ira whakarewa 66~68 ℃
ira kohua 225 ℃
kiato whanaunga 0.9830
te memehatanga he iti te wairewa ki te wai, te wairewa ki te waihano, te etera.
Whakamahi Mo te whakarite i te polyimide kua whakarereketia, te pesticides, te waikano, etc

Taipitopito Hua

Tohu Hua

Waehere Morearea R24/25 -
R34 – He weranga
R51/53 – Ko te paitini ki nga rauropi wai, ka puta he paanga kino mo te wa roa ki te taiao wai.
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.)
S61 – A ape i te tuku ki te taiao. Tirohia nga tohutohu motuhake / pepa raraunga haumaru.
UN ID UN 2261 6.1/PG 2
WGK Tiamana 3
RTECS ZE6300000
TSCA Ae
Waehere HS 29071400
Te akomanga morearea 6.1
Roopu Tarapi II

 

Kupu Whakataki

Ko te 3,4-Xylenol, e mohiotia ana ko te m-xylenol, he puhui waro. E whai ake nei he kupu whakataki mo nga rawa, nga whakamahinga, nga tikanga whakarite me nga korero haumaru o 3,4-xylenol:

 

Kounga:

- Ko te 3,4-Xylenol he wai kore tae me te kakara kakara motuhake.

- Kei a ia te mana o te wairewa i roto i te wai me te maha o nga whakarewa pararopi.

- Ka puta he anga porowhita i te pāmahana rūma.

 

Whakamahia:

- Kei te whakamahia hei whakauru antibacterial me te antiseptic i roto i te fungicides me te tiaki.

- Ka whakamahia hei whakakorikori i etahi tauhohenga whakahiato matū.

 

Tikanga:

- Ka taea e te 3,4-Xylenol te whakarite e te tauhohenga condensation o te phenol me te formaldehyde i raro i nga tikanga waikawa.

- I roto i te tauhohenga, ka whakakorikoria te phenol me te formaldehyde e te whakakōkī waikawa hei whakaputa i te 3,4-xylenol.

 

Mōhiohio Haumaru:

- 3,4-Xylenol he iti te paitini, engari he mea nui tonu ki te whakamahi haumaru.

- Ko nga kohu me nga rehu ka whakapataritari, ka pirau ki nga kanohi me te kiri.

- I te wa e mahi ana, whakamahia nga taputapu whakamarumaru whaiaro, penei i nga karapu matū me nga moti.

- I te wa e rongoa ana me te whakahaere i te 3,4-xylenol, he mea nui kia tika te whakahaere i nga para kia kore ai e poke te taiao.

 


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