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4-Formylbenzoic acid(CAS#619-66-9)

Waiwai Kemika:

ʻĀpana Molekala C8H6O3
Molar Mass 150.13
ʻO ka mānoanoa 1.2645 (manaʻo koʻikoʻi)
Lae hehee 247°C(māmā)
Lae Boling 231.65°C (manaʻo koʻikoʻi)
Lae Flash 169.2°C
Hiki i ka wai Hiki ke hoʻoheheʻe ʻia i ka wai, methanol, DMSO, etera, a me ka chloroform.
Ka hoʻoheheʻe Hiki ke hoʻoheheʻe ʻia i ka wai, methanol, DMSO, etera, a me ka chloroform.
ʻO ke ʻano o ka mahu 5.72E-05mmHg ma 25°C
Ka nana aku Ka pauda kristal
kalakala Melemele
Ka lōʻihi hawewe (λmax) ['298nm(Hexane)(kumu)']
BRN 471734
pKa 3.77(ma 25 ℃)
PH 3.5 (1g/l, H2O, 20 ℃)
Kūlana Waihona E mālama ʻia ma lalo o +30 ° C.
Pilikino Paʻi Lewa
Hōʻike Hōʻike 1.4500 (manaʻo)
MDL MFCD00006951
Hoʻohana Hoʻohana ʻia ma ke ʻano he waena o ka lāʻau lapaʻau, pesticide a me ka mea hana keʻokeʻo fluorescent

Huahana Huahana

Huahana Huahana

Nā hōʻailona pōʻino Xi – Hoʻohaunaele
Nā Code Risk R36/37/38 – Hoʻonanea i ka maka, ka ʻōpū hanu a me ka ʻili.
R33 - ʻO ka pōʻino o nā hopena kumulative
Ka wehewehe palekana S26 – Inā pili me nā maka, e holoi koke me ka wai nui a e ʻimi i ka ʻōlelo aʻo kino.
S36 – E komo i nā lole pale kūpono.
S24/25 – Hōʻalo i ka pili ʻana me ka ʻili a me nā maka.
WGK Kelemānia 3
RTECS WZ0440000
TSCA ʻAe
HS Code 29183000
Nānā Hazard Hoʻonanea

 

Hoʻolauna

Hoʻohana maʻamau e like me ka reagent i ka wā esterification o 2,2,6,6-tetramethyl-4-oxopiperidinyl-1-oxyl e hāʻawi i ka 4-hydroxy-2,2,6,6-tetramethylpiperidine-1-oxyl 4-formylbenzoate.


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