Sɔdiɔm sɔlfayd na kristal we gɛt difrɛn kɔlɔ ɛn we de smɛl bad bad wan. I de riak wit asid fɔ mek haydrojɛn sɔlfayd. I akyuɔs sɔlvushɔn strɔng wan alkaline, na dat mek dɛn kin kɔl am bak sɔlfɔrayt alkali. I de sɔlv sɔlfɔ fɔ mek sɔdiɔm polisalfayd. Bɔku tɛm, di tin dɛn we dɛn kin mek na di industri kin tan lɛk pink, rɛd-brawn, ɔ yɔlɔsh-brawn lumps bikɔs ɔf dɔti. I kin rɔtin ɛn i kin gɛt pɔyzin. We i put am na di briz, i kin ɔksidayz wantɛm wantɛm fɔ mek sɔdyɔm tiɔsalfɛt. hεli haygroskopik, in sכlubiliti insay 100g wata na 15.4g (na 10°C) εn 57.3g (na 90°C). I kin sɔlv smɔl na ɛtɛnol ɛn i nɔ kin sɔlv insay ɛta.

Selekt ay-kwaliti raw matirial, strikt kwaliti kɔntrol ɔlsay na di prodakshɔn prɔses, mek shɔ se stebul kwaliti fɔ ɛvri batch ɔf sɔdiɔm sɔlfayd.