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2-6-Dihydroxy benzoic acid (CAS#303-07-1)
  • 2-6-Dihydroxy benzoic acid (CAS#303-07-1) 1

2-6-Dihydroxy benzoic acid (CAS#303-07-1)

Chemical Property:

Molecular Formula C7H6O4
Molar Misa 154.12
Kuchulukana 1.3725 (kuyerekeza movutikira)
Melting Point 165 °C (dec.) (kuyatsa)
Boling Point 237.46 ° C (kuyerekeza molakwika)
Pophulikira 175.8°C
Kusungunuka kwamadzi 9.56g/L(kutentha sikunatchulidwe)
Kusungunuka Methanol
Kuthamanga kwa Vapor 2.65E-05mmHg pa 25°C
Maonekedwe Zoyera mpaka zoyera ngati makhiristo kapena ufa
Mtundu Kuchoka poyera
Mtengo wa BRN 2209755
pKa pK1:1.30 (25°C)
Mkhalidwe Wosungira Khalani pamalo amdima, M'mlengalenga, Kutentha kwachipinda
Zomverera Zomverera ndi kuwala
Refractive Index 1.6400 (chiyerekezo)
MDL Mtengo wa MFCD00002462
Zakuthupi ndi Zamankhwala Maonekedwe: zoyera kapena zachikasu zosungunuka makhiristo 154-155 ° C
Zamkatimu: 99% MINMIN
Malo osungunuka: 158-163 ° C
phulusa: 0.1% MAX
chinyezi: 0.5% MAX
Gwiritsani ntchito Amagwiritsidwa ntchito ngati mankhwala ophera tizilombo, intermediates mankhwala

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa Xi - Zosangalatsa
Zizindikiro Zowopsa 36/37/38 - Zokwiyitsa maso, kupuma komanso khungu.
Kufotokozera Zachitetezo S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala.
S36 - Valani zovala zoyenera zodzitetezera.
WGK Germany 3
Mtengo wa RTECS DG8578000
TSCA Inde
HS kodi 29182990
Zowopsa Zokwiyitsa

 

Mawu Oyamba

Itha kuchepetsa yankho la Pheline lotentha popanda kuchepetsa reagent yotentha ya Tollen. Mukakumana ndi ferric chloride, imakhala yofiirira mpaka buluu. Kusungunuka mu ethanol, etha ndi madzi otentha. Madzi otuluka m'madzi amakhala ndi molekyu imodzi yamadzi akristalo okhala ndi malo osungunuka a 150-170 ℃, omwe amasintha malinga ndi liwiro la kutentha ndikuwola kukhala resorcinol. Zimakwiyitsa.

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