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p-Tolualdehyde(CAS#104-87-0)

Āhuatanga matū:

Tātai rāpoi C8H8O
Molar Mass 120.15
Kiato 1.019 g/mL i te 25 °C (marama)
Te Whakarewa -6 °C
Piro Pouri 204-205 °C (marama)82-85 °C/11 mmHg (marama)
Tohu Kohiko 176°F
Wairewa wai 0.25 g/L (25 ºC)
Wairewa wai: wairewa0.25 g/L i te 25°C
Kohu Kohu 0.33 hPa (25 °C)
Te ahua Waiwai
Tae Maama kore tae ki te kowhai
BRN 385772
Tikanga Rokiroki Whakaorangia ki raro +30°C.
Tairongo Te rangi tairongo
Tepe Pahū 0.9-5.6%(V)
Taurangi Refactive n20/D 1.545(marama)
Āhuatanga ā-tinana, matū hoki Te ahua: he wai marama kore tae, he kowhai marama ranei
Whakamahi He takawaenga nui mo te whakahiato waro, e whakamahia ana i roto i te whakahiato o nga mea kakara, nga tae triphenylmethane

Taipitopito Hua

Tohu Hua

Nga Tohu Whakamate Xn – He kino
Waehere Morearea R22 – He kino ki te horomia
R36/37/38 – He whakapataritari ki nga kanohi, te punaha manawa me te kiri.
R36/38 – He whakapouri ki nga kanohi me te kiri.
Whakaahuatanga Haumaru S26 – Mena ka pa ki nga kanohi, horoi tonu ki te nui o te wai me te rapu tohutohu hauora.
S36 – Mau kakahu whakamarumaru tika.
S37/39 – Kia mau nga karapu tika me te whakamarumaru kanohi/kanohi
UN ID NA 1993 / PGIII
WGK Tiamana 1
RTECS CU7034500
FLUKA BRAND F CODES 9-23
TSCA Ae
Waehere HS 29122900
Te paitini LD50 ā-waha i roto i te Rapeti: 1600 mg/kg

 

Kupu Whakataki

Methylbenzaldehyde. E whai ake nei he kupu whakataki mo nga rawa, nga whakamahinga, nga tikanga whakarite me nga korero haumaru o te methylbenzaldehyde:

 

Kounga:

- Te ahua: Ko te Methylbenzaldehyde he wai kore tae me te kaha kakara kakara.

- Wairewa: Ka whakarewahia i roto i te maha o nga whakarewa pararopi penei i te waipiro me te etera.

- Tauhohenga matū: Ko te Methylbenzaldehyde he momo aldehyde he tauhohenga o te aldehyde, penei i te tauhohenga me te mercaptan ki te hanga mercaptan formaldehyde.

 

Whakamahia:

- Te kakara: Ko te Methylbenzaldehyde, ko tetahi o nga waahanga o te hinu kakara me te kakara, he mea kakara ahurei, he pai hoki mo nga hua penei i te hinu kakara, te reka, te hopi, me etahi atu.

 

Tikanga:

Ka taea te whakarite i te Methylbenzaldehyde ma te tauhohenga o te benzaldehyde me te methanol:

C6H5CHO + CH3OH → CH3C6H4CHO + H2O

 

Mōhiohio Haumaru:

- He paitini te Methylbenzaldehyde ki te tangata, ka whakapataritari pea i te kiri, nga kanohi, me te punaha manawa. Kia tika te mahi tupato i te wa e whakahaere ana, penei i te mau karapu, kanohi kanohi, me nga moti.

- He wai muramura, me penapena ki roto i te ipu hau, kia matara atu i te ahi me te wera.

- Kia kaha te whai i nga tikanga whakahaere haumaru e tika ana i te wa e whakamahia ana me te rokiroki, me te whakarite i nga taputapu me nga tikanga hei urupare ki nga ohorere.

- I roto i te tuku para, me tika te mahi me te tuku i runga i nga tikanga o te rohe kia kore ai e poke te taiao.


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