Hydroquinone yokhala ndi CAS 123-31-9
Malo osungunuka 172-175 °C (lit.)
Malo otentha 285 °C (lit.)
osalimba 1.32
kuchuluka kwa mpweya 3.81 (vs mpweya)
kuthamanga kwa nthunzi 1 mm Hg (132 °C)
Refractive index 1.6320
Fp 165 °C
nthawi yosungirako. Sungani pansi +30 ° C.
solubility H2O: 50 mg/mL, momveka
pangani makhiristo ngati singano kapena ufa wa Crystalline
pka 10.35 (pa 20 ℃)
mtundu Woyera mpaka woyera
Kusungunuka kwamadzi 70 g/L (20 ºC)
Sensitive Air & Light Sensitive
Mtengo wa 14,4808
Mtengo wa 605970
| Dzina lazogulitsa | Hydroquinone | Gulu No. | JL20211025 |
| Cas | 123-31-9 | Tsiku la MF | OCT.25,2021 |
| Kulongedza | 25KGS / thumba | Tsiku Lowunika | OCT.25,2021 |
| Kuchuluka | 5MT | Tsiku lotha ntchito | OCT.24,2023 |
| Kanthu | Standard | Zotsatira | |
| Maonekedwe | White crystalline ufa | Zimagwirizana | |
| Kuyesa% | 99-101 | 99.9 | |
| Malo osungunuka | 171-175 | 171.9-172.8 | |
| Zotsalira pambuyo poyatsira% | ≤0.05 | 0.02 | |
| Fe% | ≤0.002 | ＜0.002 | |
| Pb% | ≤0.002 | ＜0.002 | |
| Mapeto | Zimagwirizana | ||
Hydroquinone ndi chowunikira cha pigment chomwe chimagwiritsidwa ntchito popanga zopaka zoyera. Hydroquinone imaphatikizana ndi okosijeni mwachangu kwambiri ndipo imakhala yofiirira ikakumana ndi mpweya. Ngakhale kuti zimachitika mwachibadwa, mtundu wopangidwa ndi umene umagwiritsidwa ntchito kwambiri mu zodzoladzola. Kugwiritsa ntchito pakhungu kungayambitse matupi awo sagwirizana ndi kuonjezera mphamvu ya dzuwa. Hydroquinone imatha kuyambitsa khansa ndipo imalumikizidwa ndi kuyambitsa ochronosis, kusinthika kwa khungu. US FDA yaletsa hydroquinone kuchokera ku oTC cosmetic formulations, koma imalola 4 peresenti pazamankhwala.
1,4-dihydroxybenzene, yomwe imadziwikanso kuti hydroquinone, ndi mankhwala ofunikira. Maonekedwe ake ndi oyera acicular crystal. 1,4-dihydroxybenzene chimagwiritsidwa ntchito ngati zopangira zofunika, wapakatikati ndi wothandizira mankhwala, mankhwala, utoto ndi mphira. Amagwiritsidwa ntchito ngati mapulogalamu, utoto wa anthraquinone, utoto wa azo, mphira antioxidant ndi monomer polymerization inhibitor, stabilizer ya chakudya ndi zokutira antioxidant, petroleum anticoagulant, synthetic ammonia catalyst, etc. ndi golidi.
25kg / ng'oma.
