Sodium sulfide n'ime mmiri gụnyere H₂S agbazere agbaze, HS⁻, S²⁻, yana sulfide metal na-agbaze na acid dị na ihe siri ike a kpọchiri akpọchi, yana sulfide inorganic na organic na-adịghị ekewapụ. Mmiri nwere sulfide na-adịkarị ka oji ma na-esi isi ọjọọ, nke bụ isi n'ihi mwepụta gas H₂S na-aga n'ihu. Ụmụ mmadụ nwere ike ịchọpụta hydrogen sulfide n'ikuku na njupụta dị ala dịka 8 μg/m³, ebe oke maka H₂S n'ime mmiri bụ 0.035 μg/L. Sodium sulfide.

E nwere ụlọ nkwakọba ihe sodium sulfide na ọdụ ụgbọ mmiri Qingdao, Tianjin, na Longkou, nke enwere ike ibuga ozugbo ma nwee nkesa zuru ụwa ọnụ kwụsiri ike. Pịa ebe a iji nweta ọnụahịa dị ọnụ ala.