China Factory Direct
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| CAS number | 53124-00-8 |
| Product name | Starch, hydrogen phosphate, 2-hydroxypropyl ether |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical 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) |
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 |
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| Food Industry | Thickener, stabilizer, emulsifier | Added during processing of sauces, soups, frozen foods, and dairy products to improve texture and stability |
| Food Industry | Freeze-thaw stabilizer | Applied in frozen foods (e.g., ice cream, frozen bakery products) to inhibit ice crystal formation and water separation |
| Food Industry | Starch gel performance enhancer | Used as a moisture retainer and texturizer in meat and surimi product processing |
| Food Industry | Gelling aid | Applied in low-sugar or sugar-free jellies, puddings, and similar products to modulate gel strength and mouthfeel |
| Pharmaceutical Industry | Excipient (tablet disintegrant) | Facilitates rapid tablet disintegration and drug release in oral solid dosage forms |
| Cosmetics Industry | Thickening and stabilization | Used in emulsions and creams to enhance formulation stability and sensory properties |
| Detection Item | Common Analytical Method | Method Overview |
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| Appearance | Visual Inspection | Assessment of physical form, color, and presence of foreign particles under controlled lighting. |
| Moisture Content | Karl Fischer Titration | Quantitative determination of water content via coulometric or volumetric titration with iodine-based reagent. |
| pH (1% aqueous suspension) | pH Meter Measurement | Electrochemical measurement of hydrogen ion activity in a standardized aqueous dispersion. |
| Phosphorus Content | ICP-OES | Elemental quantification of phosphorus after acid digestion by measuring characteristic atomic emission wavelengths. |
| Heavy Metals (Pb, As, Cd, Hg) | ICP-MS | Multi-element detection at trace levels following microwave-assisted acid digestion and isotopic mass separation. |
| Residual Solvents (e.g., ethanol, isopropanol) | Gas Chromatography (GC-FID) | Separation and quantification based on volatility and flame ionization response relative to calibration standards. |
| Viscosity (4% paste, 25C) | Rotational Viscometry | Measurement of resistance to shear flow using a calibrated spindle rotating at defined speed and temperature. |
| Substitution Degree (DS) | 31P NMR Spectroscopy | Quantitative assessment of phosphate ester substitution per glucose unit via integration of phosphorus spectral peaks. |
| Acid-Insoluble Residue | Gravimetric Analysis | Filtration, drying, and weighing of insoluble matter after treatment with dilute hydrochloric acid. |
| Microbial Limits | Membrane Filtration and Plate Count | Enumeration of aerobic mesophilic microorganisms following filtration, membrane transfer, and incubation on nutrient agar. |
| Starch Purity (Amylose/Amylopectin Ratio) | Enzymatic Hydrolysis + Glucose Assay | Specific enzymatic cleavage followed by glucose quantification via UV-Vis spectrophotometry at 510 nm (DNS method). |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered light intensity patterns to calculate volume-based particle size distribution in aqueous suspension. |
| Test Item | Specification |
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| Appearance | White to off-white powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.5% |
| Solubility | Freely soluble in water; insoluble in ethanol and acetone |
| Odor | Characteristic, faint starchy odor |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
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.