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2-Chloro-3,4-dihydroxyacetophenone CAS 99-40-1

Hanti Kiimiko:

Qaanuunka molecular C8H7ClO3
Molar Mass 186.59
Cufnaanta 1.444±0.06 g/cm3 (La saadaaliyay)
Meesha dhalaalaysa 174-176°C( shid)
Boling Point 418.7± 35.0 °C (La saadaaliyay)
Barta Fiishka 207°C
Solubility Ku milmay DMSO, methanol.
Uumiga Uumiga 1.33E-07mmHg at 25°C
Muuqashada Adag
Midabka Caddaan oo u socota Pale Beige
BRN 2092660
pKa 7.59±0.20 (La saadaaliyay)
Xaalada Kaydinta 2-8°C
Xasaasi ah Si fudud u nuuga qoyaanka
Tusmada Dib-u-celinta 1.611

Faahfaahinta Alaabta

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Khatarta iyo Badbaadada

Calaamadaha halista Xi - xanaaq
Xeerarka Khatarta 36/37/38 - Cuncun xagga indhaha, habka neefsashada iyo maqaarka.
Sharaxaada Badbaadada S26 - Haddii ay dhacdo in indhaha la taabto, isla markiiba ku raaci biyo badan oo raadso talo caafimaad.
S37/39 - Xidho galoofyada ku haboon iyo ilaalinta indhaha/wejiga
S36 - Xidho dhar ilaalin ku habboon.
WGK Germany 3
Koodhka HS 29252900

99-40-1 - Macluumaadka Tixraaca

Dulmar 3, 4-dihydroxy-2 '-chloroacetophenone waa dhex dhexaad muhiim ah oo ka mid ah isku-darka carbamot. Carbazil oo sidoo kale loo yaqaanno dhiig, pigment ammonia urea sodium salicylate, oo inta badan loo isticmaalo kororka qulqulka xididdada dhiigga ee uu keeno dhiig-baxa.
Isticmaal Dhexdhexaadiyaha daawada hemostatic anluoxue, adrenomimetic drug gashaler, iwm.
habka wax soo saarka ku dar catechol iyo chloroacetic acid dheriga falcelinta engegan, kor u qaad heerkulka 60 °c, oo walaaq, 85-90 digrii C dahaarka 0.5h. Qabooji si ka hooseeya 65 ℃, ku dar fosfooraska oxychloride, ka fal celi 60-70 ℃ 4h,70-80 ℃ 4saac. Marka ay adagtahay in la walaaqo reactants dhumucdiisuna, ku dar biyo, kor u qaad heerkulka, oo biyo ku shub 90-100 ℃ 0.5h. crystals waa la qaboojiyey ilaa 10 ° C., oo sifeeyay. Maaddada adag waxaa lagu dhaqay biyo ilaa dhexdhexaad ah si loo helo 2-chloro-3 ',4'-dihydroxyacetophenone.

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