1,3-Bis(3-aminopropyl)tetramethyldisiloxane Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 2469-55-8 |
| Product name | 1,3-Bis(3-aminopropyl)tetramethyldisiloxane |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeSpecialty GradeMaterial GradeElectronic Grade |
| Packaging | 25L/drum200L/drum1000L/IBC |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
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Documents We Provide for 1,3-Bis(3-aminopropyl)tetramethyldisiloxane
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1,3-Bis(3-aminopropyl)tetramethyldisiloxane Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1,3-Bis(3-aminopropyl)tetramethyldisiloxane
| Industry | Application | Process |
|---|---|---|
| Silicone Rubber | Crosslinking and coupling agent | Acts as a bifunctional silane coupling agent in room-temperature vulcanizing (RTV) silicone rubber to enhance interfacial bonding between organic polymers and inorganic fillers, thereby improving mechanical properties and thermal resistance |
| Adhesives | Adhesion strength enhancer | Used in silane-modified polymer adhesives, where the amino group reacts with hydroxyl groups on substrate surfaces to form covalent bonds, thereby increasing adhesion to glass, metals, and plastics |
| Coatings | Surface modifier | Functions as a coupling component in organosilicon coatings to improve substrate adhesion, weather resistance, and hydrophobicity; commonly applied in architectural and industrial protective coatings |
| Medical Devices | Biocompatible coating | Employed in the preparation of siloxane-based biocompatible coatings, where the amino group enables covalent coupling with biomolecules (e.g., proteins, peptides) for surface functionalization |
| Electronic Encapsulation | Additive for low-stress encapsulation materials | Acts as a crosslinking aid in silicone encapsulants to reduce internal stress and improve thermal cycling stability, particularly in semiconductor chip encapsulation |
| Textile Finishing | Water- and soil-repellent finishing agent | Serves as a precursor to amino silicone oils; after emulsification, it is applied in textile finishing to impart fabric softness, smoothness, and durable water repellency |
Manufacturing Quality Control of 1,3-Bis(3-aminopropyl)tetramethyldisiloxane
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | GC-FID | Quantifies main component using gas chromatography with flame ionization detection based on peak area response relative to calibration standards. |
| Water Content | Karl Fischer Titration | Determines water by coulometric or volumetric titration where iodine reacts stoichiometrically with water in a controlled electrochemical or chemical system. |
| Acid Number | Acid-Base Titration | Measures acidic impurities via titration with standardized potassium hydroxide solution using phenolphthalein or potentiometric endpoint detection. |
| Amine Value | Acid-Base Titration | Determines total primary and secondary amine content by back-titration after acylation with excess acetic anhydride. |
| Viscosity | Capillary Viscometry | Measures kinematic viscosity at specified temperature by timing the flow of sample through a calibrated capillary tube under gravity. |
| Color | APHA Color Scale | Compares sample color visually or spectrophotometrically against platinum-cobalt standard solutions on the APHA scale. |
| Density | Digital Density Meter | Determines density via oscillating U-tube principle where resonant frequency correlates to sample density. |
| Refractive Index | Refractometry | Measures refractive index at specified temperature using light refraction at the sample-prism interface. |
| Residue on Ignition | Gravimetric Analysis | Quantifies non-volatile inorganic residue after high-temperature ashing and weighing of the cooled crucible. |
| Heavy Metals | ICP-OES | Detects trace metals (e.g., Fe, Cu, Pb, Ni) by plasma excitation and elemental emission intensity measurement. |
| Chloride Content | Potentiometric Titration | Determines chloride ions using silver nitrate titrant with silver/silver chloride indicator electrode and endpoint detection via potential change. |
| Volatile Organic Impurities | GC-MS | Identifies and quantifies residual solvents or low-boiling impurities using gas chromatographic separation coupled with mass spectral detection. |
Technical Specifications of 1,3-Bis(3-aminopropyl)tetramethyldisiloxane
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=99.0% (GC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.0% |
| Single Impurity | <=0.3% |
| Refractive Index (n20/D) | 1.425–1.435 |
| Relative Density (20°C/25°C) | 0.92–0.94 g/cm³ |
| Odor | Characteristic amine-like odor |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
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Download COA of 1,3-Bis(3-aminopropyl)tetramethyldisiloxane
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1,3-Bis(3-aminopropyl)tetramethyldisiloxane
Safety Information of 1,3-Bis(3-aminopropyl)tetramethyldisiloxane
| Pictograms |   |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of 1,3-Bis(3-aminopropyl)tetramethyldisiloxane
Industrial 1,3-Bis(3-aminopropyl)tetramethyldisiloxane Procurement FAQ
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.
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