605-70-9 1,4-naphthalenedicarboxylic Acid
CAS: 605-70-9 1,4-Naphthalenedicarboxylic acid
Pob: 1g / 100g / 1 kg / 25 kg
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Khoom Taw qhia
Cov pas nrig me crystallized. Lub melting point yog 309 ° C (325 ° C). Soluble nyob rau hauv ethanol, nws qhia tau hais tias xiav fluorescence, insoluble nyob rau hauv boiling dej.
Intermediate rau dyes thiab cov khoom siv yas. Siv nyob rau hauv zus tau tej cov optical brighteners, dye intermediates, thiab lwm yam.
Nws yog npaj los ntawm oxidation ntawm 1-methyl-4-acetylnaphthalene thiab potassium dichromate ntawm 200-300 ℃ thiab txog 4MPa rau 18h. Nws tseem tuaj yeem tau los ntawm cov kua theem oxidation ntawm 1,4-dimethylnaphthalene siv cobalt-manganese-bromine ua catalyst ntawm 120 ° C thiab txog 3kPa.
SPECIFICATION NTAWM CAS: 605-70-9 1,4-Napthhalenedicarboxylic Acid
Yam khoom | SPECIFICATION |
Melting point | & gt; 300 ° C (lit.) |
InChIKey | ABMFBCRYHDZLRD-UHFFFAOYSA-N |
Cia temp. | Muab kaw rau hauv qhuav, Chav Kub |
Dej Solubility | Insoluble hauv dej. |
Qhov ntom | 1.54 g / cm²3 |
Boiling point | 490.2±28.0 °C |
Pka | 2.71±0.10 |
EPA Tshuaj Registry System | 1,4-Naphthalenedicarboxylic acid (605-70-9) |
BRN | 2051255 |
CAS DataBase Reference | 605-70-9 (CAS DataBase Reference) |
Cov ntaub ntawv tuam txhab
Alfa Chemical Co., Ltd
Niaj hnub no, peb muaj cov khoom siv dav dav thiab muaj zog muaj peev xwm thiab yog ib qho chaw muag khoom ntawm kev tshawb fawb tshuaj, cov khoom siv science, tshuaj lom neeg lub neej, thiab lwm yam. Los ntawm grams mus rau kilograms. Cov khoom siv ntsuas yog li ntawm qib gram mus rau semi-batch ntau lawm thiab ntau lawm.
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Cim npe nrov: 605-70-9 1,4-naphthalenedicarboxylic acid, nqe, hais, luv nqi, hauv Tshuag, kev muag
