1. Kusungunuka: M'madzi,Nigrosine Blackimapanga yankho la bluish-purple, kusonyeza kusungunuka kwabwino, komwe kumapangitsa kuti zigwirizane ndi magulu a hydroxyl kapena amino muzinthu za fiber, potero kukwaniritsa dyeing.Nigrosine Black imasungunuka mu Mowa, kusonyeza mtundu wa buluu, ndipo mu sulfuric acid yokhazikika, imawonekanso yabuluu;pa dilution, amasintha kukhala wofiirira ndi kupanga mpweya.Nigrosine Black imatsala pang'ono kusungunuka mu ether, acetone, benzene, chloroform, petroleum ether, ndi parafini yamadzimadzi.

2. Kusungirako:Nigrosine Blacksayenera kukhudzana ndi oxidizing pamene ntchito.Posunga, onetsetsani kuti chidebe chosungiramo chatsekedwa mwamphamvu ndikuchisunga pamalo ozizira komanso owuma.

Nigrosine Black Nthawi zambiri amagwiritsidwa ntchito popaka utoto pachikopa, nthawi zambiri amawoneka ngati utoto wakuda womwe umapatsa chikopa chakuda kwambiri.r.Nigrosine Blackamagwiritsidwanso ntchito podaya mapepala, nkhuni, sopo ndi ubweya.Ili ndi ntchito zambiri m'mafakitale monga mapepala ndi kusindikiza.