DesignationNitrocellulose energetic polymer / propellant base
Chemical identityCellulose nitrate · Guncotton · Collodion · Pyroxylin
General formula[C₆H₇(NO₂)₃O₅]ₙ
Specification referencesMIL-DTL-244 · AOP-4178 · AOP-7
Grade A nitrogen12.45–12.75 wt% · Dry basis
Grade B nitrogen13.20–13.40 wt% · Dry basis
Wetting agentWater or alcohol ≥25% · As ordered
Ash≤0.20 wt% · Dry basis
Acidity≤0.02 wt% · Dry basis
ViscosityGrade-dependent · Specified to order
pH profileNeutral to slightly acidic
UN 2555Water-wet ≥25% · Class 4.1
UN 2556Alcohol-wet ≥25%, ≤12.6% N dry · Class 4.1 · PG II
UN 2557Mixture ≤12.6% N dry · Class 4.1
Quality assuranceNitrogen, ash, acidity/alkalinity, volatiles, insolubles, fineness and viscosity · Lot traceability