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Benzaldehyde(CAS#100-52-7)

Āhuatanga matū:

Tātai rāpoi C7H6O
Molar Mass 106.12
Kiato 1.044 g/cm3 i te 20 °C (marama)
Te Whakarewa -26 °C (marama)
Piro Pouri 178-179 °C (marama)
Tohu Kohiko 145°F
Nama JECFA 22
Wairewa H2O: wairewa100mg/mL
Kohu Kohu 4 mm Hg ( 45 °C)
Kohu Kohu 3.7 (me te hau)
Te ahua matika
Tae Kowhai kowhai
Te kakara Ka rite ki te aramona.
Merck 14,1058
BRN 471223
pKa 14.90(i te 25 ℃)
PH 5.9 (1g/l, H2O)
Tikanga Rokiroki Whakaorangia ki raro +30°C.
Te pumau Eu ana. Ka tahuna. Kare e hototahi ki te kaha o te oxidizing agents, te waikawa kaha, te whakaiti i nga matū, te mamaoa. Te hau, te marama me te makuku-tairongo.
Tairongo Te rangi tairongo
Tepe Pahū 1.4-8.5%(V)
Taurangi Refactive n20/D 1.545(marama)
Āhuatanga ā-tinana, matū hoki kiato 1.045
ira whakarewa -26°C
ira kohua 179°C
taupū whakaata 1.544-1.546
ira hiko 64°C
wairewa <0.01g/100 mL i te 19.5°C
Whakamahi Ko nga rawa matū tino nui, e whakamahia ana i roto i te hanga o te lauric aldehyde, te waikawa lauric, te phenylacetaldehyde me te benzyl benzoate, me etahi atu, ka whakamahia ano he mea kakara.

Taipitopito Hua

Tohu Hua

Nga Tohu Whakamate Xn – He kino
Waehere Morearea 22 – He kino ki te horomia
Whakaahuatanga Haumaru 24 – A ape i te pa ki te kiri.
UN ID UN 1990 9/PG 3
WGK Tiamana 1
RTECS CU4375000
FLUKA BRAND F CODES 8
TSCA Ae
Waehere HS 2912 21 00
Te akomanga morearea 9
Roopu Tarapi III
Te paitini LD50 ki te kiore, kiore (mg/kg): 1300, 1000 ā-waha (Jenner)

 

Kupu Whakataki

Kounga:

- Te ahua: Ko Benzoaldehyde he wai kore tae, engari he kowhai nga tauira arumoni.

- Kakara: He kakara kakara.

 

Tikanga:

Ka taea te whakarite i te Benzoaldehyde ma te waiora o te hauwai. Ko nga tikanga whakarite e whakamahia ana ko enei e whai ake nei:

- Te oxidation mai i te phenol: I te aroaro o te whakakorikori, ka oxidized te phenol e te hāora i roto i te rangi ki te hanga benzaldehyde.

- Te oxidation catalytic no roto mai i te ethylene: I mua i te hoê catalyst, e oxidized te ethylene e te oxygen i roto i te reva no te hamani benzaldehyde.

 

Mōhiohio Haumaru:

- He iti te paitini me te kore e pa he mate kino ki te tangata i raro i nga tikanga whakamahi noa.

- He whakapataritari ki nga kanohi me te kiri, me tango nga tikanga whakamarumaru penei i nga karapu me nga karaehe ka pa ana.

- Ko te roa o te rongo ki nga kukū teitei o te kohu benzaldehyde ka whakapataritari i te rewharewha me nga ngongo, me karohia te roanga o te hau.

- I te wa e whakahaere ana i te benzaldehyde, me tupato ki nga ahuatanga o te ahi me te hau kia kore e puta ki te mura o te ahi, te wera nui ranei.

 


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