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hua

2-Chloronicotinic acid(CAS# 2942-59-8)

Āhuatanga matū:

Tātai rāpoi C6H4ClNO2
Molar Mass 157.55
Kiato 1.470±0.06 g/cm3(Te Matapae)
Te Whakarewa 176-178°C (dec.)(marama)
Piro Pouri 316.8±22.0 °C(I Matapaetia)
Tohu Kohiko 145.4°C
Wairewa DMSO, Ethyl Acetate (Paku)
Kohu Kohu 0.000168mmHg i te 25°C
Te ahua Te paura ma
Tae Ma ki te kirīmi
BRN 119023
pKa 2.07±0.25(I Matapaetia)
Tikanga Rokiroki 2-8°C
MDL MCD00006236
Āhuatanga ā-tinana, matū hoki He ma, he paura karaihe ma ranei
ira whakarewa 286-288°C
ira whakararo 145-148°C
hurihanga whatu motuhake 15.4 ° (c = 4, 6N HCl)
wairewa 22.4g/L (20 C)Ko tenei hua he totoka kore tae, MP> 175 ℃ (decomposition), kare e rewa i roto i te wai, wairewa i roto i te benzene, toluene me etahi atu whakarewa pararopi.
Whakamahi Whakamahia hei takawaenga rongoa, whakamahia i roto i te hanga o te waikawa niacin, te waikawa niacin, me etahi atu; Nga takawaenga pesticide, whakamahia i roto i te hanga o te nicosulfuron, pyrazlor, etc.; Ko te waikawa 2-chloro-3-pyridinecarboxylic he herbicide nicosulfuron, he takawaenga o te pyrifloxamide.; Nga takawaenga rongoa me te pesticide.

Taipitopito Hua

Tohu Hua

Nga Tohu Whakamate Xi – Irritant
Waehere Morearea 36/37/38 – He whakapataritari ki nga kanohi, te punaha manawa me te kiri.
Whakaahuatanga Haumaru S22 – Kaua e pupuhi puehu.
S24/25 – A ape i te pa ki te kiri me nga kanohi.
S37/39 – Kia mau nga karapu tika me te whakamarumaru kanohi/kanohi
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.
WGK Tiamana 3
TSCA T
Waehere HS 29333999
Te akomanga morearea TANGATA

 

Kupu Whakataki

 


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