Hydroquinone me CAS 123-31-9
Ira whakarewa 172-175 °C(marama)
Ira kohua 285 °C(marama)
kiato 1.32
kiato kohu 3.81 (me te hau)
pehanga kohu 1 mm Hg (132 °C)
taupū whakaata 1.6320
Fp 165 °C
pāmahana rokiroki. Whakaorangia ki raro +30°C.
wairewa H2O: 50 mg/mL, maamaa
te ahua o nga Tioata rite ki te ngira, te paura kirikiri ranei
pka 10.35(i te 20 ℃)
te tae Ma ki te ma-ma
Wairewa 70 g/L (20 ºC)
Te Hau Taapiri me te Maama
Merck 14,4808
BRN 605970
Ingoa Hua | Hydroquinone | Puka No. | JL20211025 |
Cas | 123-31-9 | Te Ra MF | OCT.25,2021 |
Te takai | 25KGS/PEKE | Rā Tātari | OCT.25,2021 |
Te nui | 5MT | Te Ra Whakamutunga | OCT.24,2023 |
Tūemi | Paerewa | Hua | |
Te ahua | Te paura tioata ma | Ka rite | |
Whakamātautau % | 99-101 | 99.9 | |
Te rewa | 171-175 | 171.9-172.8 | |
Te toenga i muri i te mura % | ≤0.05 | 0.02 | |
Fe % | ≤0.002 | <0.002 | |
Pb % | ≤0.002 | <0.002 | |
Whakamutunga | Ka rite |
Ko te Hydroquinone he maakuku whakaahuru-ahua e whakamahia ana i roto i nga kirīmi whakangao. He tere rawa te hono o te Hydroquinone ki te hāora, ka parauri ina pa ana ki te hau. Ahakoa ka puta noa mai, ko te putanga waihanga te mea e whakamahia nuitia ana i roto i nga mahi whakapaipai. Ko te tono ki te kiri ka puta he mate mate mate me te whakanui ake i te kiri o te ra. Ko te hydroquinone he mate pukupuku, he pa ana ki te ochronosis, he paheketanga o te kiri. Kua whakakorehia e te US FDA te hydroquinone mai i nga hanganga whakapaipai oTC, engari ka whakaaetia kia 4 paiheneti i roto i nga hua whakahaunga.
Ko te 1,4-dihydroxybenzene, e mohiotia ana ko te hydroquinone, he rauemi matū nui. Ko tona ahua he karaihe acicular ma. Ko te 1,4-dihydroxybenzene e whakamahia whānuitia ana hei rauemi mata nui, he kaihoko takawaenga me te awhina mo te rongoa, pesticides, waikano me te rapa. Ka whakamahia te nuinga hei kaiwhakawhanake, te tae anthraquinone, te tae azo, te antioxidant rapa me te aukati polymerization monomer, te whakapumau kai me te antioxidant paninga, te hinu anticoagulant, te whakakorikori haukini, me etahi atu. me te koura.
25kg/pahū.