China Factory Direct
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| CAS number | 9005-53-2 |
| Product name | LIGNINE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeIndustrial 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 |
|---|---|---|
| Agriculture | Controlled-release fertilizer binder, soil conditioner | Mixing, granulation |
| Construction | Concrete water reducer, gypsum board strength enhancer | Formulation, drying |
| Papermaking | Pulp dispersant, black liquor recovery aid | Sulfonation, neutralization |
| Petroleum | Drilling mud additive, oilwell cement retarder | Polymerization, modification |
| Textiles | Dye dispersant, fiber softener | Dissolution, spray application |
| Rubber | Rubber reinforcing agent, tire cord adhesion promoter | Compounding, vulcanization |
| Pharmaceuticals | Controlled-release drug carrier, enteric coating material | Coating, spray drying |
| Environmental Protection | Heavy metal ion adsorbent, wastewater flocculant | Crosslinking, precipitation |
| Personal Care | Shampoo thickener, cosmetic emulsion stabilizer | Homogenization, emulsification |
| Food | Wall material for microencapsulated food flavorings (complies with food-grade specifications) | Spray drying, encapsulation |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Moisture Content | Gravimetric Analysis (Oven Drying) | Mass loss upon drying at 105 C under controlled conditions. |
| Ash Content | Gravimetric Analysis (Muffle Furnace) | Residue mass after incineration at 575 C in air. |
| pH Value | Potentiometric Titration | Measurement of hydrogen ion activity using calibrated pH electrode. |
| Sodium Content | ICP-OES | Quantification of Na emission intensity at characteristic wavelength after acid digestion. |
| Sulfur Content | Combustion IC | Determination of SO2 evolved during high-temperature combustion, detected by conductivity. |
| Protein Content | Kjeldahl Nitrogen Analysis | Conversion of organic nitrogen to ammonium sulfate, followed by distillation and titration. |
| Carbohydrate Impurities | UV-Vis Spectrophotometry (Phenol-Sulfuric Acid) | Colorimetric quantification of total sugars based on furfural derivatives formation. |
| Polyphenol Content | Folin-Ciocalteu Assay | Reduction of phosphomolybdic-phosphotungstic acid complex by phenolic groups, measured at 765 nm. |
| Molecular Weight Distribution | Gel Permeation Chromatography (GPC) | Separation by hydrodynamic volume in solution, calibrated with polystyrene standards. |
| Acid Number | Acid-Base Titration (KOH in ethanol) | Neutralization of carboxylic and phenolic groups with standardized KOH solution. |
| Solubility in Water | Visual Inspection / Filtration | Assessment of complete dissolution or presence of insoluble residue after defined agitation and settling. |
| Heavy Metals (Pb, Cd, As, Hg) | ICP-MS | Multi-element detection via mass-to-charge ratio after microwave-assisted acid digestion. |
| Test Item | Specification |
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| Appearance | Brown to dark brown amorphous powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.2% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.3% |
| Acid Value (mg KOH/g) | 150–220 mg KOH/g |
| Solubility | Soluble in alkaline aqueous solutions; partially soluble in water; insoluble in organic solvents such as ethanol, acetone, and chloroform |
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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.