GRAM'S IODINE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 12298-68-9 |
| Product name | GRAM'S IODINE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeReagent 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) |
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Documents We Provide for GRAM'S IODINE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk GRAM'S IODINE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of GRAM'S IODINE
| Industry | Application | Process |
|---|---|---|
| Medical Diagnostics | Counterstain in Gram staining to differentiate Gram-positive from Gram-negative bacteria | After heat-fixing the bacterial smear, apply crystal violet, iodine solution (as a mordant to enhance staining), alcohol decolorization, and safranin counterstain |
| Microbiology Research | Bacterial classification and identification; morphological analysis of microorganisms | Used as a standard reagent in Gram staining to improve visualization of cell wall structural differences |
| Teaching Laboratories | Foundational laboratory instruction in biology and medical curricula at secondary and tertiary institutions | Applied in microscopy exercises to demonstrate bacterial Gram characteristics and support student understanding of microbial classification principles |
Manufacturing Quality Control of GRAM'S IODINE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Iodine Content | Redox Titration with Sodium Thiosulfate | I2 is reduced to iodide by thiosulfate in acidic medium; endpoint detected with starch indicator. |
| Potassium Iodide Content | Acid-Base Titration after Oxidation | KI is oxidized to I2, then titrated with standardized NaOH after hydrolysis of excess acid. |
| Total Iodine (I2 + KI) | UV-Vis Spectrophotometry at 350 nm | Measures absorbance of triiodide ion (I3-) formed in KI solution; quantified via Beer-Lambert law. |
| pH | Potentiometric pH Measurement | Determined using calibrated glass electrode in aqueous dilution of Grams iodine solution. |
| Heavy Metals (Pb, Hg, Cd, As) | ICP-OES | Multi-element detection after acid digestion and matrix matching; quantifies trace metals by atomic emission intensity. |
| Arsenic | Silver Diethyldithiocarbamate (SDDC) Colorimetry | As(III) reacts with SDDC to form red complex; absorbance measured at 510 nm. |
| Sulfate Impurity | Gravimetric Analysis as BaSO4 | Sulfate precipitated as barium sulfate, dried and weighed for quantitative determination. |
| Chloride Impurity | Argentometric Titration (Mohr Method) | Cl- titrated with AgNO3; endpoint indicated by formation of reddish-brown Ag2CrO4 precipitate. |
| Water Content | Karl Fischer Coulometric Titration | Electrochemical generation of iodine reacts stoichiometrically with water; quantified by coulombs consumed. |
| Appearance and Clarity | Visual Inspection in Nessler Cylinders | Assessed against water-white standard under controlled lighting; detects particulates or haze. |
| Residue on Ignition | Gravimetric Analysis | Sample ignited at 500-600 C; non-volatile residue weighed after cooling in desiccator. |
| Microbial Contamination | Membrane Filtration and Plate Count | Filtered sample cultured on Tryptic Soy Agar; aerobic mesophilic colony counts determined after incubation. |
Technical Specifications of GRAM'S IODINE
| Test Item | Specification |
|---|---|
| Appearance | Brownish-yellow clear liquid |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.0% |
| Single Impurity | <=0.3% |
| Color (APHA/Pt-Co) | <=150 |
| Odor | Characteristic iodine odor |
| Solubility | Miscible with water and ethanol |
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 GRAM'S IODINE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of GRAM'S IODINE
Industrial GRAM'S IODINE 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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