Tanyun Chemical

• MOQ 1 Kilogram
• Brand NameTanYun

We are offering triphenyl bismuth tpb . Executive standard: gjb 5276-2003 english name: triphenyl bismuth cas rn: 603-33-8 1. Physical and chemical properties: 1.1 molecule formula: c18h15bi 1.2 molecule weight: 440.3 1.3 structural formula: 1.4 solubility : it’s undissolved in water , but dissolved in anhydrous alcohol and n-heptane. 1.5 stability and reactivity: it’s stable in normal temperature and pressure , but reaction will be taken place if contacting with moisture, strong oxidant or strong ultraviolet ray . 2. Uses:triphenyl bismuth(tpb) has been used as the solidifying catalyst for butyl hydroxyl propellant of high combustion velocity. Tpb can lower solidifying temperature and shorten solidifying time for the propellant, as well as there is not any by-effect for its processing performance and mechanics properties. The consulted usage quantity for tpb is 0.006%-0.05% of total weight for the propellant. Its solidifying time in 50°c is 7 days . In addition tpb can be also used as the catalyst for ethylene polymarization into cyclooctatraene, the catalyst for formaldehyde polymarization, the curing agent for polycyclochlorides, and catalysts for other some monomers’ polymarization etc. 3. Package: paperboard case, in which have been put plastic bottles. Net weight 500g or 1000g per bottle. In addition could pack it according to the special demand of our clients.

• MOQ 1 Kilogram
• Brand NameTanYun

We are offering supply high quality hx-752 (cas no.7652-64-4). 1 1 isophthaloyl bis 2 methylaziridine hx-752 1.name:1, 1-isophthaloyl bis(2-methylaziridine ) 2.cas no.:7652-64-4 3.usage:the product is a good linking agent, which has been used for over 20 kinds of military composite propellants. It has been also used broadly in polymer materials as the linkage agent to improve the mechanical properties. 4.package:wooden box, in which is putted the plastic tubs, 2 tubs a box, net weight of 10 kg a tub. 5.index item index imine equivalent(gram equivalent) 130~150 viscosity, mpa.s, 25â°c 3000~18000 refractive index nd25 1.553~1.558 appearance light yellow sticky liquid

• MOQ 1 Kilogram
• Brand NameTanYun

We are offering tris(2-methylaziridinyl) phosphine oxide. Executive standard :dod-t-82666a english abbreviation: mapo english another name:tris(2-methylaziridinyl) phosphine oxide cas rn:57-39-6 molecule weight:215.23 molecule formula:c9h18n3op 1. Physical and chemical properties: 1.1 appearance:colorless to yellow oil-linking liquid 1.2 odour: foul smell with rotten green grass 1.3 solubility: dissolving easily in organic solvents such as methylene dichloride, chloroform, ethyl ether etc, dissolving slightly in water. 1.4 boiling point:90-92°c, 0.15-0.3mmhg 1.5 stability:its decomposition temperature is 170°c .it will be decomposed when meeting with any acid, polymerized if contacting with any acidic material or forein substance containing reactive hydrogen, and copolymerization and cross-linking can be also taken place between it and the compound containing two or more than two reactive hydrogens or groups. 2.uses:the mapo is mainly used as the cross linking and curing reagent on the resin cladding layers of powder of missile to heighten capabilities of its elasticity and ballistic trajectory. 3. Safety notes:mapo is considered toxic by absorption through the skin. Should handle with care, wear synthetic rubber protecting gloves, and avoid any contact with skin, eyes and clothing. 4. Storage:it should be stored airtightly in the kegs filled up with nitroge, and keeped in a shady and ventilating place. 5. Shelf life:its shelf life is 6 months. It can be still used if up to standard through retest after the specified.

• MOQ 1 Kilogram
• Brand NameTanYun

Offering t-Butylferrocene. Executive standard :QYSY 02.02-1997 English name:t-Butylferrocene CAS RN :1316-98-9 1. Physical and chemical properties: 1.1Molecule formula:C14H18Fe 2. Technique indexes: Item Index Type I Type II Total content , % (mm) �94 �94 Ferrocene , % (mm) �2.0 �2.0 t-Butyl ferrocene , % (mm) 40±5 37.5±2.5 two(t-Butyl) ferrocene , % (mm) Measured value Measured Value theree(t-Butyl) ferrocene , % (mm) �5.0 �5.0 Total Fe , % (mm) 20.0±1.0 20.0±1.0 Total chlorine , % (mm) �0.5 �0.5 Free acid, %(mm) �0.02 �0.02 Undissoluble in acetone , %(mm) �0.02 �0.02 Inorganic Fe , % (mm) �0.05 �0.05 Appearance Brown-red oil-liking liquid Brown-red oil-liking liquid 3. Uses:t-Butylferrocene accorded with this standard has excellent storability, and can be used as combustion catalyst in composite solid propellants to increase the combustion rate. If using t-Butylferrocene as combustion catalyst, the curing reaction rate and combustion rate of HTPB-base composite solid propellants is controllable. t-Butylferrocene can afford the composite solid propellant with good processing performance and mechanical property. 4. Package:Wooden case, in which is put the plastic kegs, two kegs a case, net weight 10 kg a keg , net weight 20kg a case. *In addition:The company could research and develop the new products according to the special demand of our clients.

• MOQ 1 Kilogram
• Brand NameTanYun

We are offering catocene (37206-97-6)/2, 2-bis(ethylferrocenyl) propane. Executive standard : gjb2839-97 english name : 2, 2-bis(ethylferrocenyl) propane english another name : catocene cas r : 69279-97-6 1. Physical and chemical properties: 1.1 molecule formula: c27h32fe2 1.2 molecule weight: 468.25 1.3 itâ��s stable in normal temperature and in the hermetic container . 2. technical indexes item index type I type â�¡ fe content, %(mm) 23.3-24.3 23.3-24.3 viscosity, (25â°c)pas

• MOQ 1 Kilogram
• Brand NameTanYun

We are offering sodium borate, sodium tetraborate. cas : 1330-43-4 1.physical and chemical properties: 1.1 molecule formula : na2b4o7 1.2 molecule weight : 201.22 1.3melting point : 742.5°c(for orthorhombic crystal a)664°c (for orthorhombic crystal b) 1.4density : 2.28 (a orthorhombic crystal) (b orthorhombic crystal) 1.5 properties : its hygroscopicity is extremely strong. It is dissolved in water. It can be slowly dissolved in methanol and formed a solution of 13-16% concentration 2. Technical indexes : term index content of sodium borate, % ≥95-98 sodium oxide % ≥30 diboron trioxide% ≥66-68 3. Uses:sodium borate is mainly used in the manufacturing high quality glass, optical glass, glaze of pottery and porcelain, glaze of enamel, detergent, bleaching agent, cleaning agents, flame retardant, rust inhibitor and caking agent. it could be also used as the supporter of the lubricant used in metal wiredrawing, the stabilizer and skeleton former in refractory material, the wraping-flux in metallurgy, the set retarder of cement and concrete, the buffer of ph value in water system and emulsifier of paraffin. 4. Safety description: the product is harmful. It will harm body’s health by swallowing, breathing in, eyes contacting, skin contacting, eye contacting will lead to irritation. Mouse oral: ld 50=1060mgkg; rat oral: ld 50=1200mgkg. Wear safety-protective glasses dust proof gauze musk, rubber gloves during handling it. 5. Package: it is packed in woven bag, in which should be put two strata of plastic bags, the net weight is 25kg a bag.