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4.C.6.Other propellant additives and agents as follows:

List
MTCR – Equipment, Software and Technology Annex – Version of 14 March 2024
a. Bonding agents as follows:
1. Tris (1-(2-methyl)aziridinyl) phosphine oxide (MAPO) (CAS 57-39-6);
2. 1,1′,1″-trimesoyl-tris(2-ethylaziridine) (HX-868, BITA) (CAS 7722-73-8);
3. Tepanol (HX-878), reaction product of tetraethlylenepentamine, acrylonitrile and glycidol (CAS 68412-46-4);
4. Tepan (HX-879), reaction product of tetraethlylenepentamine and acrylonitrile (CAS 68412-45-3);
5. Polyfunctional aziridine amides with isophthalic, trimesic, isocyanuric, or trimethyladipic backbone also having a 2-methyl or 2-ethyl aziridine group;
Note:
Item 4.C.6.a.5. includes:
1. 1,1′-Isophthaloyl-bis(2-methylaziridine) (HX-752) (CAS 7652-64-4);
2. 2,4,6-tris(2-ethyl-1-aziridinyl)-1,3,5-triazine (HX-874)
(CAS 18924-91-9);
3. 1,1'-trimethyladipoylbis(2-ethylaziridine) (HX-877)
(CAS 71463-62-2).
b. Curing reaction catalysts as follows:
Triphenyl bismuth (TPB) (CAS 603-33-8);
c. Burning rate modifiers, as follows:
1. Carboranes, decaboranes, pentaboranes, and derivatives thereof;
2. Ferrocene derivatives, as follows:
a. Catocene (CAS 37206-42-1);
b. Ethyl ferrocene (CAS 1273-89-8);
c. n-Propyl ferrocene (CAS 1273-92-3) / iso-propyl ferrocene (CAS 12126-81-7);
d. n-Butyl ferrocene (CAS 31904-29-7);
e. Pentyl ferrocene (CAS 1274-00-6);
f. Dicyclopentyl ferrocene (CAS 125861-17-8);
g. Dicyclohexyl ferrocene;
h. Diethyl ferrocene (CAS 1273-97-8);
i. Dipropyl ferrocene;
j. Dibutyl ferrocene (CAS 1274-08-4);
k. Dihexyl ferrocene (CAS 93894-59-8);
l. Acetyl ferrocene (CAS 1271-55-2) / 1,1'-diacetyl ferrocene (CAS 1273-94-5);
m. Ferrocene carboxylic acid (CAS 1271-42-7) / 1,1'-Ferrocenedicarboxylic acid (CAS 1293-87-4);
n. Butacene (CAS 125856-62-4);
o. Other ferrocene derivatives usable as rocket propellant burning rate modifiers;
Note:
Item 4.C.6.c.2.o does not control ferrocene derivatives that contain a six carbon aromatic functional group attached to the ferrocene molecule.
d. Esters and plasticisers as follows:
1. Triethylene glycol dinitrate (TEGDN) (CAS 111-22-8);
2. Trimethylolethane trinitrate (TMETN) (CAS 3032-55-1);
3. 1,2,4-butanetriol trinitrate (BTTN) (CAS 6659-60-5);
4. Diethylene glycol dinitrate (DEGDN) (CAS 693-21-0);
5. 4,5 diazidomethyl-2-methyl-1,2,3-triazole (iso- DAMTR);
6. Nitratoethylnitramine (NENA) based plasticisers, as follows:
a. Methyl-NENA (CAS 17096-47-8);
b. Ethyl-NENA (CAS 85068-73-1);
c. Butyl-NENA (CAS 82486-82-6);
7. Dinitropropyl based plasticisers, as follows:
a. Bis (2,2-dinitropropyl) acetal (BDNPA) (CAS 5108-69-0);
b. Bis (2,2-dinitropropyl) formal (BDNPF) (CAS 5917-61-3);
e. Stabilisers as follows:
1. 2-Nitrodiphenylamine (CAS 119-75-5);
2. N-methyl-p-nitroaniline (CAS 100-15-2).