3-hydroxybutanoic acid;3-hydroxypentanoic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 80181-31-3 |
| Product name | 3-hydroxybutanoic acid;3-hydroxypentanoic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeElectronic GradeMaterial GradeFood GradeCosmetic Grade |
| Packaging | 25KG/bag500KG/bag1000KG/bag |
| 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 3-hydroxybutanoic acid;3-hydroxypentanoic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3-hydroxybutanoic acid;3-hydroxypentanoic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 3-hydroxybutanoic acid;3-hydroxypentanoic acid
| Industry | Application | Process |
|---|---|---|
| Medical | Biodegradable implant materials | Solvent casting, extrusion molding, etc. |
| Packaging | Food packaging films | Blow molding, cast film manufacturing |
| Agriculture | Controlled-release fertilizer coatings | Solution coating, spray drying |
| Environmental Protection | Microsphere carriers for water treatment | Emulsion polymerization, suspension polymerization |
| Electronics | Encapsulation of electronic components | Injection molding, hot press molding |
| Personal Care | Cosmetic additives | Blending and dispersion, emulsification |
Manufacturing Quality Control of 3-hydroxybutanoic acid;3-hydroxypentanoic acid
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Assessment of physical form, color, and homogeneity under controlled lighting conditions. |
| Moisture Content | Karl Fischer Titration | Quantitative determination of water content based on iodine-sulfur dioxide redox reaction in pyridine-methanol medium. |
| Acid Value | Acid-Base Titration | Neutralization of free carboxylic acid groups with standardized potassium hydroxide solution using phenolphthalein indicator. |
| Molecular Weight (Mn) | Gel Permeation Chromatography (GPC) | Separation of polymer chains by hydrodynamic volume in solution, calibrated against polystyrene standards. |
| Polydispersity Index (PDI) | Gel Permeation Chromatography (GPC) | Calculated as ratio of weight-average to number-average molecular weight from GPC elution profile. |
| Monomer Composition Ratio (3HB:3HV) | Gas Chromatography (GC) after Methanolysis | Quantification of methyl esters of 3-hydroxybutyric and 3-hydroxyvaleric acids following acidic transesterification. |
| Residual Solvent Content | Headspace Gas Chromatography (HS-GC) | Detection and quantification of volatile organic solvents (e.g., chloroform, acetone) using equilibrium vapor phase analysis. |
| Heavy Metals (Pb, Cd, Hg, As) | Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) | Multi-element quantification after microwave-assisted acid digestion and plasma excitation. |
| Ash Content | Gravimetric Analysis (Ignition at 550 C) | Determination of inorganic residue mass after complete combustion of organic matrix in muffle furnace. |
| Thermal Stability (Td5%) | Thermogravimetric Analysis (TGA) | Measurement of temperature at which 5% mass loss occurs under nitrogen atmosphere, indicating onset of thermal decomposition. |
| Intrinsic Viscosity | Capillary Viscometry (Ubbelohde) | Calculation of intrinsic viscosity from flow time measurements of dilute polymer solutions relative to solvent blank. |
| Bioburden | Membrane Filtration and Plate Count | Quantification of viable microorganisms via filtration, membrane transfer to agar media, and colony enumeration after incubation. |
Technical Specifications of 3-hydroxybutanoic acid;3-hydroxypentanoic acid
| Test Item | Specification |
|---|---|
| Appearance | White powder |
| Purity | >=98.0% |
| Water Content (KF) | <=0.5% |
| Melting Point | 165–175°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
| Acid Value (mg KOH/g) | <=5.0 mg KOH/g |
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 3-hydroxybutanoic acid;3-hydroxypentanoic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of 3-hydroxybutanoic acid;3-hydroxypentanoic acid
Industrial 3-hydroxybutanoic acid;3-hydroxypentanoic acid 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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