China Factory Direct
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| CAS number | 1189-08-8 |
| Product name | 1,3-Butanediol dimethacrylate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeMaterial GradeSpecialty 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Used as an intermediate in drug synthesis | Chemical synthesis |
| Chemicals | Used in the production of UV-curable resins | Photopolymerization |
| Coatings | Used as a crosslinker in coatings | Curing and film formation |
| Printing | Used in the formulation of UV inks | UV curing |
| Adhesives | Used as a functional monomer in adhesives | Polymerization |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) | Quantitative separation and detection of 1,3-butylene glycol dimethacrylate using a capillary column and flame ionization detector. |
| Acid Value | Acid-Base Titration | Neutralization of free carboxylic acid groups with standardized potassium hydroxide solution using phenolphthalein indicator. |
| Hydroxyl Value | Acetylation Titration | Esterification of hydroxyl groups with acetic anhydride, followed by back-titration of unreacted anhydride with sodium hydroxide. |
| Water Content | Karl Fischer Titration | Electrochemical determination of water based on the reaction of iodine with sulfur dioxide in the presence of water and a base. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Comparison of sample color to APHA platinum-cobalt standard solutions or measurement of absorbance at 430 nm. |
| Specific Gravity | Digital Density Meter | Measurement of mass per unit volume at 25 degC using oscillating U-tube principle. |
| Refractive Index | Refractometry | Determination of light bending angle at air-sample interface using calibrated Abbe refractometer at 25 degC. |
| Residue on Evaporation | Gravimetric Analysis | Evaporation of a known sample mass at 110 degC to constant weight, followed by weighing of non-volatile residue. |
| Inhibitor Content (MEHQ) | High Performance Liquid Chromatography (HPLC) | Separation and quantification of monomethyl ether hydroquinone using UV detection at 280 nm. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals after wet digestion, using graphite furnace or flame AAS. |
| Peroxide Value | Iodometric Titration | Oxidation of potassium iodide by peroxides to liberate iodine, titrated with standardized sodium thiosulfate. |
| Viscosity | Rotational Viscometry | Measurement of resistance to flow under controlled shear rate using calibrated spindle and rotational speed. |
| Test Item | Specification |
|---|---|
| Appearance | Colorless, clear liquid |
| Purity | >=98.5% (GC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.3% |
| Refractive Index (n20/D) | 1.445 - 1.455 |
| Relative Density (20°C/25°C) | 0.965 - 0.975 g/cm³ |
| Acid Value (mg KOH/g) | <=0.5 |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
| Pictograms | ![]() |
| Signal Word | Warning |
| Safety Data Sheet | |
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.