• Sourcing Solutions
  • Services & Membership
  • Help & Community

Quick Details

  • CAS No.: 57-39-6
  • Other Names: MAPO
  • MF: C9H18N3OP
  • Place of Origin: Liaoning, China (Mainland)
  • Main Raw Material: C9H18N3OP
  • Usage: bonding agents in military chemicals
  • Brand Name: tanyyun
  • Model Number: 57-39-6
  • Type: bonding agents
  • Product name: Tri-1-(2-methylaziridinyl)phosphine oxide
  • CAS: CAS RN:57-39-6
  • Appearance: Yellow or light-brown oil liquid
  • Packing: two plastic casks in a wooden case
  • Application: cross-linking agent and curing agent on the cladding layers
  • Shelf life: 12 months
  • purity: 1st grade>=92.0 2nd grade>=86.0
  • Color: yellow or light-brown
  • executive standard: GJB 1959-94
  • English alias: Tri(2-methylaziridinyl) phosphine oxide

Packaging & Delivery

Packaging Details Packing: Two plastic casks in a wooden case. Net Weight: 10 kg/cask; 20 kg/case.
If you have any requirements about pacage ,please let me know.
Delivery Time 7 working days
Product Description


Tris-1-(2-methylaziridinyl)phosphine oxide

 Executive standard: GJB 1959-94

 English alias: Tris(2-methylaziridinyl) phosphine oxide   

 English abbreviation: MAPO

 CAS RN: 57-39-6

 Molecular Weight: 215.23

 Molecular formula: C9H18N3OP

 1. Physical and chemical properties:

1.1 Odor: Foul smell with rotten green grass.

1.2 Solubility: Freely dissolved in organic solvents, such as methylene dichloride, chloroform, ethyl ether, etc. Slightly soluble in water.

1.3 Boiling point: 90-92, 0.15-0.3mmHg

1.4 Stability: Decomposing temperature is 170. It will be decomposed in any acid. The polymerization occurs when contacted with acidic material or impurities containing active hydrogen. The copolymerization and cross-linking can be also taken place when contacted with the compounds containing two or more than two active hydrogen.

 2. Technical indexes:





Purity(in imines) ,%(m/m)






Insoluble in methanol ,%(m/m)



Total Cl content(in Cl) ,%(m/m)



Hydrolyzed chlorine(in Cl) ,%(m/m)




Yellow or light-brown oil liquid, No visible impurity

 3. Application: MAPO has been used as cross-linking agent and curing agent on the cladding layers of missile resin to heighten the capabilities of elasticity and ballistic in propellant. It works well for the application of AP-based oxidizer in HTPB propellant.

 4. Safety instructions: Toxic. Operation must be installed with rubber gloves, a respirator and eye protection by wearing protective clothing to avoid contacting with skin, eyes and clothing.

Packaging & Shipping

  5. Packing: Two plastic casks in a wooden case. Net Weight: 10 kg/cask; 20 kg/case.

 6. Storage: Stored in a cool, ventilated place. Casks should be sealed with nitrogen. Avoid heat and exposure.The shelf life is 12 months after manufacturer date. It is still available if retest result is qualified after expire date.

 7. Transportation: Code of hazardous goods is 61120. Keep upright when transported, avoid violent collision and exposure.

Our Services

  We are able to develop custom-made products according to the clients’ requests.


Company Information


46 years of manufacturing fine chemicals



Tanyun Chemical is the first domestic technological platform company of Chemical New Materials Production and Research Incubator and the first domestic custom-made research and production company of fine chemicals intermediate research and production company.




For years, it has undertaken over 80 domestic and foreign key research projects and been awarded over 50 municipal, provincial and national prizes for progress in science and technology. The products have been widely applied in areas including aviation, aerospace,military industry, civil industry and been sold to over 20 countries and areas, gaining wide recognition home and abroad.

Technology Strength

Tanyun Chemical established an Industrialization Experiments Center (with domestic advanced level) in Yingkou and set up four world-class Technological R&D Centers and R&D laboratories.Tanyun can provide high quality products tailored to the needs of domestic and foreign clients.







Our service

We are able to develop custom-made products according to the clients’ requests.







 1.Why  choose us?

We are the manufacturer with more than 40 years history. we can supply one-stop service from sample ,development and research, order, delivery, after-sale service

2.What is our payment term?

T/T in advance

3.Delivery time?

ASAP after your payment

4.Are u manufacturer?

Yes,we are manufacturer

5.How are  your products?

 We have four word-class R&D bases  and provide you products with high quality and competitive price.



Welcome to contact us:

                                      phone: +86 13906985537

                               WhatsApp: +86 13906985537

                                      skype:  Claier Shi                                           


Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview


Transaction Details

This supplier has completedtransactions with buyers from .

Shipping Destination
Transaction Value
Transaction Date
Email to this supplier
China (Mainland) | Manufacturer, Trading Company
Supplier Assessments:
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $45,000
Learn More