ECCN 1C111

• a.Propulsive substances:
• 1. Spherical or spheroidal aluminum powder (C.A.S. 7429-90-5) in particle size of less than 200 × 10−6 m (200 µm) and an aluminum content of 97% by weight or more, if at least 10% of the total weight is made up of particles of less than 63 µm, according to ISO 2591-1:1988 or national equivalents.
• 2. Metal powders and alloys where at least 90% of the total particles by particle volume or weight are made up of particles of less than 60 µ (determined by measurement techniques such as using a sieve, laser diffraction or optical scanning), whether spherical, atomized, spheroidal, flaked or ground, as follows:
• 2.a. Consisting of 97% by weight or more of any of the following:
• 2.a.1. Zirconium (C.A.S. #7440-67-7);
• 2.a.2. Beryllium (C.A.S. #7440-41-7); or
• 2.a.3. Magnesium (C.A.S. #7439-95-4);
• 2.b. Boron or boron alloys with a boron content of 85% or more by weight.
• 3. Oxidizer substances usable in liquid propellant rocket engines, as follows:
• 3.a. Dinitrogen trioxide (CAS 10544-73-7);
• 3.b. Nitrogen dioxide (CAS 10102-44-0)/dinitrogen tetroxide (CAS 10544-72-6);
• 3.c. Dinitrogen pentoxide (CAS 10102-03-1);
• 3.d. Mixed oxides of nitrogen (MON);
• 3.f. Chlorine trifluoride (ClF3).
• b.Polymeric substances:
• 1. Carboxy-terminated polybutadiene (including carboxyl-terminated polybutadiene) (CTPB);
• 2. Hydroxy-terminated polybutadiene (including hydroxyl-terminated polybutadiene) (HTPB) (CAS 69102-90-5), except for hydroxyl-terminated polybutadiene as specified in USML Category V (see 22 CFR 121.1) (also see Related Controls Note #1 for this ECCN);
• 3. Polybutadiene acrylic acid (PBAA);
• 4. Polybutadiene acrylic acid acrylonitrile (PBAN) (CAS 25265-19-4/CAS 68891-50-9);
• 5. Polytetrahydrofuran polyethylene glycol (TPEG).
• c.Other propellant energetic materials, additives, or agents:
• 2. Triethylene glycol dinitrate (TEGDN);
• 3. 2 Nitrodiphenylamine (2-NDPA);
• 4. Trimethylolethane trinitrate (TMETN);
• 5. Diethylene glycol dinitrate (DEGDN).
• d.Hydrazine and derivatives as follows:
• 1. Hydrazine (C.A.S. #302-01-2) in concentrations of 70% or more;
• 2. Monomethyl hydrazine (MMH) (C.A.S. #60-34-4);
• 3. Symmetrical dimethyl hydrazine (SDMH) (C.A.S. #540-73-8);
• 4. Unsymmetrical dimethyl hydrazine (UDMH) (C.A.S. #57-14-7);
• 5. Trimethylhydrazine (C.A.S. #1741-01-1);
• 6. Tetramethylhydrazine (C.A.S. #6415-12-9);
• 7. N,N diallylhydrazine (CAS 5164-11-4);
• 8. Allylhydrazine (C.A.S. #7422-78-8);
• 9. Ethylene dihydrazine (CAS 6068-98-0);
• 10. Monomethylhydrazine dinitrate;
• 11. Unsymmetrical dimethylhydrazine nitrate;
• 12. 1,1-Dimethylhydrazinium azide (CAS 227955-52-4)/1,2-Dimethylhydrazinium azide (CAS 299177-50-7);
• 13. Hydrazinium azide (C.A.S. #14546-44-2);
• 14. Hydrazinium dinitrate (CAS 13464-98-7);
• 15. Diimido oxalic acid dihydrazine (C.A.S. #3457-37-2);
• 16. 2-hydroxyethylhydrazine nitrate (HEHN);
• 17. Hydrazinium diperchlorate (C.A.S. #13812-39-0);
• 18. Methylhydrazine nitrate (MHN) (CAS 29674-96-2);
• 19. 1,1-Diethylhydrazine nitrate (DEHN)/1,2-Diethylhydrazine nitrate (DEHN) (CAS 363453-17-2);
• 20. 3,6-dihydrazino tetrazine nitrate (DHTN), also referred to as 1,4-dihydrazine nitrate.
• e.Hydrazine replacement fuels as follows:
• 1. 2-Dimethylaminoethylazide (DMAZ) (CAS 86147-04-8);

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