POTASSIUM NITRITE 7758-09-0 EINECS 231-832-4 EPA Pesticide Chemical Code 076203 HSDB 1216 Nitrous acid, potassium salt Potassium nitrite (1:1) Potassium nitrite [UN1488] [Oxidizer] UN1488 12654_RIEDEL 310484_SIAL 60417_FLUKA CCRIS 3959 Caswell No. 698