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khoom

Orange 7 CAS 3118-97-6

Chemical Property:

Molecular Formula C18H16N2O
Molar Mass 276.33 Nws
Qhov ntom 1.1318 (zeeg)
Melting Point 156-158 ° C (lit.)
Boling Point 419.24°C (kev kwv yees kwv yees)
Flash Point 213.6°C dej
Dej Solubility 54.45μg / L ntawm 25 ℃
Solubility Insoluble hauv dej, soluble hauv methanol, ethanol, DMSO thiab lwm cov kuab tshuaj organic
Vapor Siab 0Pa ntawm 25 ℃
Qhov tshwm sim Brown liab crystal
Xim Liab mus rau txiv kab ntxwv-xim av
pKa 13.52 ± 0.50 (Kev kwv yees)
Kev cia khoom Hygroscopic, tub yees, nyob rau hauv inert cua
Kev ruaj ntseg Hygroscopic
Refractive Index 1.5800 (kwv yees)
MDL PAB 00003896
Physical thiab Chemical Properties Brown Red Crystal, soluble nyob rau hauv methanol, ethanol, DMSO thiab lwm yam organic solvents, muab tau los ntawm hluavtaws dyes.

Product Detail

Khoom cim npe

Hazard Cov Cim Xi-Nyob
Risk Codes 36/37/38 – Khaus qhov muag, ua pa thiab tawv nqaij.
Kev nyab xeeb piav qhia S26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob.
S37/39 - Hnav cov hnab looj tes tsim nyog thiab tiv thaiv qhov muag / ntsej muag
S24/25 - Tsis txhob sib cuag nrog daim tawv nqaij thiab qhov muag.
WGK Germany 3
RTECS QL5850000
TSCA Yog lawm
HS Code 32129000 ib

 

Taw qhia

Sudan Orange II., tseem hu ua dye Txiv kab ntxwv G, yog cov organic dye.

 

Cov khoom ntawm Sudan txiv kab ntxwv II., nws yog cov txiv kab ntxwv hmoov hmoov, soluble hauv dej thiab cawv. Nws undergoes xiav hloov nyob rau hauv alkaline tej yam kev mob thiab yog ib tug acid-base qhia uas yuav siv tau raws li ib tug endpoint qhia rau acid-base titration.

 

Sudan Orange II muaj ntau yam kev siv hauv kev siv tswv yim.

 

Sudan txiv kab ntxwv II yog tsuas yog tsim los ntawm cov tshuaj tiv thaiv ntawm acetophenone nrog p-phenylenediamine catalyzed los ntawm magnesium oxide los yog tooj liab hydroxide.

 

Cov Ntaub Ntawv Kev Nyab Xeeb: Sudan Orange II yog ib qho chaw nyab xeeb dua, tab sis tseem yuav tsum tau ceev faj. Tsis txhob nqus los yog sib cuag ntawm daim tawv nqaij thiab qhov muag, thiab tsis txhob cuam tshuam ntev los yog loj. Cov cuab yeej tiv thaiv tus kheej tsim nyog, xws li hnab looj tes thiab tsom iav, yuav tsum hnav thaum siv. Nyob rau hauv rooj plaub ntawm cov tawv nqaij los yog ob lub qhov muag, yaug tam sim ntawd nrog dej ntau. Tus neeg twg uas tsis zoo los yog tsis xis nyob yuav tsum mus nrhiav kev kho mob sai li sai tau.


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