Hydroquinone e nang le CAS 123-31-9
Sebaka se qhibilihang ke 172-175 °C(lit.)
Sebaka se belang 285 °C(lit.)
boimana 1.32
vapor density 3.81 (vs moea)
khatello ea mouoane 1 mm Hg (132 °C)
index ea refractive 1.6320
Fp 165 °C
mocheso oa polokelo. Boloka ka tlase ho +30°C.
solubility H2O: 50 mg/mL, e hlakile
theha Likristale tse kang Nale kapa Phofo ea Crystalline
pka 10.35(ho 20 ℃)
mmala O mosoeu ho isa ho bosweu
Motsoako oa Metsi 70 g/L (20 ºC)
Sensitive Air & Light Sensitive
Merck 14,4808
BRN 605970
| Lebitso la Sehlahiswa | Hydroquinone | Nomoro ea sehlopha. | JL20211025 |
| Cas | 123-31-9 | Letsatsi la MF | OCT.25,2021 |
| Ho paka | 25KGS/MOKGWA | Letsatsi la Tlhahlobo | OCT.25,2021 |
| Bongata | 5MT | Letsatsi la ho felloa ke nako | OCT.24,2023 |
| Ntho | Standard | Sephetho | |
| Ponahalo | Phofo e tšoeu ea kristale | E lumellana | |
| Tlhahlobo % | 99-101 | 99.9 | |
| Sebaka se qhibilihang | 171-175 | 171.9-172.8 | |
| Mesala ka mor'a ho khantša% | ≤0.05 | 0.02 | |
| Fe % | ≤0.002 | ＜0.002 | |
| Pb % | ≤0.002 | ＜0.002 | |
| Qetello | E lumellana | ||
Hydroquinone ke ntho e khantšang 'mala e sebelisoang ha ho etsoa litlolo tse soeufatsang. Hydroquinone e kopana le oksijene ka potlako haholo mme e ba sootho ha e le moeeng. Le hoja e itlhahela ka tlhaho, phetolelo ea maiketsetso ke eona e sebelisoang hangata litlolong. Ho sebelisoa letlalong ho ka etsa hore motho a itšoare ka tsela e fapaneng 'me a eketse kutloisiso ea letsatsi la letlalo. Hydroquinone e ka baka kankere 'me e amahanngoa le ho baka ochronosis, ho fifala ha letlalo. US FDA e thibetse hydroquinone ho tsoa ho oTC cosmetic formulations, empa e lumella liperesente tse 4 ho lihlahisoa tsa ngaka.
1,4-dihydroxybenzene, eo hape e tsejoang e le hydroquinone, ke sehlahisoa sa bohlokoa sa lik'hemik'hale. Ponahalo ea eona ke kristale e tšoeu ea acicular. 1,4-dihydroxybenzene e sebelisoa haholo e le ntho ea bohlokoa e tala, e bohareng le e thusang bakeng sa meriana, chefo e bolaeang likokoanyana, lidae le rabara. E sebelisoa haholo e le moqapi, dae ea anthraquinone, dae ea azo, rabara antioxidant le monomer polymerization inhibitor, stabilizer ea lijo le coating antioxidant, petroleum anticoagulant, synthetic ammonia catalyst, joalo-joalo. le khauta.
25kg / moropa.
