Special Provision: A

Octyltrichlorosilane

Nonyltrichlorosilane

Octadecyltrichlorosilane

Nitrous oxide

Nitrosylsulfuric acid, liquid

4-Nitrophenylhydrazine, with not less than 30 percent water, by mass

p-Nitrosodimethylaniline

Nitrostarch, wetted with not less than 20 percent water, by mass

Nitronaphthalene

Nitroguanidine, wetted or Picrite, wetted with not less than 20 percent water, by mass