4,4'-Diamino-3,3'-Dimethyldiphenylmethane(CAS 838-88-0)
UN No.:
UN 3077 9 /PG III
| Purity | Grade | Package | Stock | Price | Quantity |
| 98% | RG | 1G | In Stock | 4 USD
|
|
| 98% | RG | 5G | In Stock | 9 USD
|
|
| 98% | RG | 25G | In Stock | 21 USD
|
|
| 98% | RG | 100G | In Stock | 81 USD
|
|
| 98% | RG | 500G | In Stock | 391 USD
|
|
|
|||||
Your region is eligible for ordering. Available NMR Spectrum
Verified In Stock
Fast Shipping ISO 9001
Quality System
Applications of 838-88-0
| Industry | Application | Process |
|---|---|---|
| Polyurethane | Used as an aromatic diamine chain extender for synthesizing high-performance polyurethane elastomers, coatings, and adhesives | Reacts with isocyanates to form polyurea or polyurethane structures, enhancing mechanical strength, heat resistance, and abrasion resistance |
| Rubber Industry | Acts as a rubber vulcanization accelerator or crosslinking aid | Participates in crosslinking reactions during vulcanization to improve physical properties and aging resistance of rubber products |
| Epoxy Resins | Used as an epoxy resin curing agent | Undergoes addition reaction with epoxy groups to form a crosslinked network, improving heat resistance and mechanical performance of the cured product |
| Dyes & Pigments | Serves as an organic synthesis intermediate for producing azo dyes and other functional pigments | Synthesizes dye molecules with specific structures via diazotization, coupling, and related reactions |
| High-Performance Composites | Used to formulate high-temperature-resistant, high-strength composite matrix resins | Acts as a monomer in polymerization to build polymer backbones featuring rigid biphenyl structures |
Physical and chemical properties of 838-88-0
Acidity coefficient |
5.18±0.25(Predicted) |
|---|---|
Boiling Point |
406.6±40.0 °C at 760 mmHg |
BRN |
398069 |
carcinogen classification |
2B (Vol. 4, Sup 7) 1987 |
Density |
1.1±0.1 g/cm3 |
Exact Mass |
226.147003 |
Flash Point |
238.9±26.8 °C |
H Bond Acceptors |
2 |
H Bond Donors |
2 |
Index of Refraction |
1.634 |
LogP |
2.56 |
Melting Point |
155-157 °C |
Molecular Formula |
C15H18N2 |
Molecular Weight |
226.317 |
PSA |
52.04000 |
Solubility |
>33.9 [ug/mL] (The mean of the results at pH 7.4) |
Storage condition |
Keep in dark place,Inert atmosphere,Room temperature |
Vapour Pressure |
0.0±0.9 mmHg at 25°C |
Water Solubility |
Insoluble in water |
Spectrums of 838-88-0
1.The NMR spectrum displayed on the page is a pre-sale reference spectrum and may differ from that of the actual received batch.
2.The accompanying documentation will include the NMR spectrum and purity analysis data for the shipped batch.
Retrosynthesis analysis of 838-88-0
Cas:636-21-5
Cas:72621-64-8
Cas:71893-15-7
Cas:95-53-4
Q&A for CAS 838-88-0
1. How can I verify product quality?
Every batch of our Chemical Reagents is tested to meet ISO 9001 standards. We provide COA & NMR & SDS Provided with each shipment. Batch COA available for verification, and third-party retesting is supported. A full refund is offered if our data is incorrect.
2. What is the delivery time?
Orders from Ready stock / In stock items typically Ships Tomorrow via Fast Shipping via FedEx/DHL/UPS. International deliveries usually arrive within 7 business days, subject to customs clearance.
3. What if the received product doesn’t meet quality standards?
If your Lab Grade Chemical Reagents do not match the Batch COA available, we will issue a replacement or a full refund upon verification.
4. Are hazardous labels included? How is safe shipping ensured?
Hazardous products are labeled and packaged following international regulations. We provide SDS Provided with all hazardous shipments to ensure safe and compliant transport.
5. Do you offer technical support?
Yes. Our Lab Supplier team is available to assist with questions about product usage, storage, Lab Grade requirements, applications, and more.
6. Are volume discounts available?
Yes. For bulk orders of Chemical Reagents, we offer competitive pricing. Submit a quotation request and we’ll provide a tailored offer.
7. Do you provide samples?
Yes, samples are available for selected Lab Grade products. Please submit a request to confirm availability and specifications.
8. Do you have products in stock?
Yes. Items labeled In stock / Ready stock on our website are available for immediate shipment, usually within 1–2 business days. Large packs or custom specifications require lead time confirmation.
9. Can you customize purity or packaging?
Yes. We support customization of Lab Grade purity, packaging size, and special testing requirements. Share your needs and we’ll provide a tailored solution.
10. Is the COA consistent with the shipped batch?
Yes. Batch COA available matches the actual shipment. COAs shown online are for reference or from previous batches.
11. Do you support long-term supply agreements?
Yes. We offer Lab Supplier services for stable batch consistency, pricing agreements, and safety stock for long-term customers to ensure uninterrupted supply.
12. What payment methods do you accept?
We accept Pay Local Currency via bank transfer (T/T), PayPal, and other methods. Credit terms are available for qualified long-term partners.
Download SDS of 838-88-0
Pictograms |
   |
|---|---|
Signal Word |
Danger |
Hazard Statements |
H302 Harmful if swallowed H317 May cause an allergic skin reaction H350 May cause cancer H400 Very toxic to aquatic life H410 Very toxic to aquatic life with long lasting effects H411 Toxic to aquatic life with long lasting effects |
Safety Data Sheet |
Download COA of 838-88-0
Operate under the ISO 9001 system
