1,1,1,3,3,5,5-HEPTAMETHYLTRISILOXANE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 2895-07-0 |
| Product name | 1,1,1,3,3,5,5-HEPTAMETHYLTRISILOXANE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeIndustrial GradeMaterial GradeElectronic GradeSpecialty Grade |
| Packaging | 25L/drum |
| 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 1,1,1,3,3,5,5-HEPTAMETHYLTRISILOXANE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1,1,1,3,3,5,5-HEPTAMETHYLTRISILOXANE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1,1,1,3,3,5,5-HEPTAMETHYLTRISILOXANE
| Industry | Application | Process |
|---|---|---|
| Personal Care | Used as a conditioning agent and silicone oil additive in hair conditioners, shampoos, and body washes to improve hair manageability and skin lubricity | Added directly as an active ingredient during formulation, typically blended with other surfactants and emulsifiers to form stable emulsions |
| Coatings & Inks | Used as a leveling agent and defoamer to improve coating surface uniformity and reduce bubble-related defects | Added at low dosage (0.01–0.1 wt%) during the final stage of coating/ink production (let-down stage) and dispersed via high-speed mixing |
| Textile Auxiliaries | Used as a softener component to impart smoothness, bulk, and improved antistatic properties to fabrics | Applied in pad-dry or spray finishing processes, typically co-formulated with amino silicones, followed by thermal fixation at 120–160°C |
| Agricultural Adjuvants | Used as a high-efficiency organosilicone adjuvant to enhance pesticide spreading, penetration, and retention on waxy leaf surfaces | Added during pesticide formulation or tank-mixing (typical dosage: 0.05–0.2% v/v), significantly reducing solution surface tension (to below 20 mN/m) |
| Electronic Chemicals | Used as a hydrophobic modifying component in temporary protective coatings or encapsulation materials to enhance moisture resistance of devices | Applied as a film via spin-coating or spraying, then cured at low temperature (80–120°C) to form a dense hydrophobic layer |
Manufacturing Quality Control of 1,1,1,3,3,5,5-HEPTAMETHYLTRISILOXANE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detector | Quantitative determination based on peak area comparison against certified reference standard under optimized chromatographic conditions. |
| Water Content | Karl Fischer Titration | Electrochemical titration measuring water via iodine-sulfur dioxide reaction in anhydrous methanol-based solvent. |
| Acid Number | Acid-Base Titration with NaOH | Neutralization of acidic impurities using standardized sodium hydroxide solution and phenolphthalein indicator. |
| Refractive Index | Refractometry | Measurement of light bending angle at air-sample interface at 20 degrees C to assess purity and consistency. |
| Density | Digital Density Meter | Determination of mass per unit volume using oscillating U-tube principle at controlled temperature. |
| Color | APHA Color Scale (Visual or Spectrophotometric) | Comparison of sample color intensity against platinum-cobalt standards using visual matching or spectrophotometric absorbance at 455 nm. |
| Residue on Evaporation | Gravimetric Analysis | Weighing non-volatile residue after controlled evaporation of a fixed sample volume at 105 degrees C. |
| Chloride Content | Ion Chromatography (IC) | Separation and quantification of chloride ions using anion-exchange column and conductivity detection. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals after acid digestion by measuring atomic absorption at characteristic wavelength. |
| Volatile Impurities | Headspace Gas Chromatography-Mass Spectrometry (HS-GC-MS) | Identification and semi-quantification of low-boiling contaminants via thermal equilibrium headspace sampling and mass spectral detection. |
| Viscosity | Capillary Viscometry | Measurement of kinematic viscosity by timing gravity-driven flow through calibrated capillary tube at 25 degrees C. |
| Flash Point | Closed Cup Pensky-Martens Tester | Determination of lowest temperature at which vapors ignite momentarily when exposed to flame under standardized closed cup conditions. |
Technical Specifications of 1,1,1,3,3,5,5-HEPTAMETHYLTRISILOXANE
| Test Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.395–1.405 |
| Relative Density (20°C/25°C) | 0.760–0.780 g/cm³ |
| Odor | Characteristic mild 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 1,1,1,3,3,5,5-HEPTAMETHYLTRISILOXANE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1,1,1,3,3,5,5-HEPTAMETHYLTRISILOXANE
Safety Information of 1,1,1,3,3,5,5-HEPTAMETHYLTRISILOXANE
| Pictograms |   |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of 1,1,1,3,3,5,5-HEPTAMETHYLTRISILOXANE
Industrial 1,1,1,3,3,5,5-HEPTAMETHYLTRISILOXANE 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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