Liab 25 CAS 3176-79-2

Chemical Property:

Molecular Formula	C24H20N4O
Molar Mass	380.44 ib
Qhov ntom	1.19 ± 0.1 g / cm3 (Tshaj tawm)
Melting Point	173-175 ° C (lit.)
Boling Point	618.8 ± 55.0 ° C (Tshaj tawm)
Flash Point	306 ° C
Solubility	Acetonitrile (me ntsis), Dichloromethane (me ntsis), DMSO (me ntsis)
Vapor Siab	1.5E-13mmHg ntawm 25 ° C
Qhov tshwm sim	Khoom
Xim	Tsaus Liab heev
pKa	13.45 ± 0.50 (Kev kwv yees)
Kev cia khoom	Lub tub yees
Refractive Index	1.644 ib
MDL	TIAB SA 00021456
Physical thiab Chemical Properties	Liab hmoov. Insoluble nyob rau hauv dej, soluble nyob rau hauv ethanol, acetone thiab lwm yam organic solvents. Tsis kam mus rau 5% hydrochloric acid thiab sodium carbonate. Nyob rau hauv concentrated sulfuric acid nyob rau hauv xiav ntsuab, diluted los ua liab nag lossis daus; Hauv 10% sulfuric acid tsis yaj; Nyob rau hauv concentrated sodium hydroxide tov tsis yaj.

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Product Detail

Khoom cim npe

WGK Germany

Taw qhia

Sudan B yog ib qho hluavtaws organic dye nrog cov tshuaj npe Sauermann Liab G. Nws belongs rau pawg azo dyes thiab muaj cov txiv kab ntxwv-liab crystalline hmoov.

Sudan B yog yuav luag insoluble nyob rau hauv dej, tab sis muaj zoo solubility nyob rau hauv cov organic solvents. Nws muaj qhov zoo lightfastness thiab boil tsis kam thiab yuav siv tau rau dyeing ntaub ntawv xws li textiles, ntawv, tawv thiab yas.

Txoj kev npaj ntawm Sudan B yog qhov yooj yim, thiab ib txoj hauv kev zoo tshaj plaws yog los ua cov tshuaj dinitronaphthalene nrog 2-aminobenzaldehyde, thiab tau txais cov khoom ntshiab los ntawm cov txheej txheem xws li txo thiab rov ua dua tshiab.

Txawm hais tias Sudan B tau siv dav hauv kev lag luam dyeing, nws yog tshuaj lom thiab carcinogenic. Kev noj ntau ntawm Sudan B tuaj yeem ua rau tib neeg lub cev puas tsuaj, xws li tshuaj lom rau lub siab thiab lub raum.

Yav dhau los: P- Yellow 147 CAS 4118-16-5

Tom ntej: Liab 24 CAS 85-83-6

Sau koj cov lus ntawm no thiab xa tuaj rau peb