Tolidine diisocyanate TODI / 3,3′-Dimethyl-4,4′-biphenylene diisocyanate CAS NO. 91-97-4
| Product Name |
|
| CAS No. |
91-97-4 |
| Appearance |
Liquid/Powder |
| Purity |
≥99%, ≥99.9%, ≥95%, Industrial Grade, Technical Grade (Other purities are also available) |
| Ingredient |
N/A |
| APS |
1-5 µM, 10-53 µM, Nano size (Can be customized), Ask for other available size range |
| Product Code |
NCZ-NRQ-366/26 |
Product Description
TODI / 3,3′-Dimethyl-4,4′-biphenylene diisocyanate, CAS number 91-97-4, is an universal additive for improving mechanical and chemical properties on urethane elastomers. The two benzene rings in the TODI molecule have a symmetrical structure. Due to the steric hindrance of the o-methyl group, the reaction activity is lower than that of TDI and MDI.
Comparing to NDI-based polyurethane elastomers, elastomers based on TODI, oligomer polyols and MOCA have similar physical properties, such as excellent heat resistance, hydrolysis resistance and mechanical properties. Comparing with rubbers, plastics and metals, TODI-based elastomers have much more advantages, they are durable, heat resistance and hydrolysis resistance. TODI-based elastomers offer superior mechanical properties to be applied on working under harsh conditions and/or environment. Furthermore, resulting from its longer pot life, TODI-based prepolymer is easier to handle in comparison to NDI-based products.
Application
With its outstanding mechanical and chemical properties, TODI-based elastomers are widely applied on various fields. First of all, sealing components, such as oil sealing, piston ring, water seals and so on. Then, automobile parts are another major application of TODI, including bumper extensions, shock absorbers, grills and etc. Besides, high-ended industrial usage, i.e. belts, rolls, casters. Furthermore, TODI is an important coating agent in electric field and as artificial organs in medical equipment.
Specification
| Product |
3,3′-Dimethyl-4,4′-biphenylene diisocyanate |
| Code |
TODI |
| Batch No |
2300405 |
Packing |
20kg/drum |
Quantity |
500kgs |
| Date of manufacturing |
2023-04-05 |
Date of Expire |
2024-04-04 |
| Iteam |
Specification |
Results |
| Appearance |
Light yellow to white Granular solid |
Conforms |
| Total chlorine,% |
≤0.1 |
0.033 |
| Hydrolyzed chlorine,% |
≤0.01 |
0.0026 |
| Melting point, ℃ |
69 – 71 |
69.1 – 70.2 |
| -NCO Content, % |
31.5 – 32.5 |
32.5 |
| Purity,% |
≥99.0 |
99.55 |
| Conclusion |
Qualified |
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Tolidine diisocyanate TODI / 3,3′-Dimethyl-4,4′-biphenylene diisocyanate CAS NO. 91-97-4 is generally immediately available in most volumes. Nanochemazone produces many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural, and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research, and safety (MSDS) information are available, as is a Reference Calculator for converting relevant units of measurement.
Related Information:
Storage Conditions:
Airtight sealed, avoid light, and keep dry at room temperature.
Please get in touch with us for customization and price inquiry
Email: contact@nanochemazone.com
Note: We supply different size ranges of Nano and micron as per the client’s requirements and accept customization in various parameters.
