2-methylpropane-1,2-diol Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 558-43-0 |
| Product name | 2-methylpropane-1,2-diol |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeIndustrial GradeMaterial GradeCosmetic GradeFood 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 2-methylpropane-1,2-diol
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2-methylpropane-1,2-diol Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2-methylpropane-1,2-diol
| Industry | Application | Process |
|---|---|---|
| Chemicals | Synthetic intermediate | Organic synthetic intermediate used in the production of polymers, resins, and specialty chemicals |
| Coatings | Film-forming aid | Applied as a film-forming aid in water-based coatings to improve film leveling and adhesion |
| Textiles | Fiber treatment agent | Used for modification of synthetic fibers to enhance softness and antistatic properties |
| Pharmaceuticals | Drug synthesis raw material | Involved in synthetic pathways for certain active pharmaceutical ingredients (APIs) |
| Personal Care & Household | Personal care additive | Used as a humectant or solvent in cosmetics, suitable for emulsions and skin care products |
| Pesticides | Pesticide intermediate | Reaction intermediate used in the synthesis of specific pesticide molecules |
Manufacturing Quality Control of 2-methylpropane-1,2-diol
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantitative determination based on peak area comparison against a certified reference standard using a polar capillary column. |
| Water Content | Karl Fischer Titration | Electrochemical titration where iodine reacts stoichiometrically with water in a methanol-based reagent; endpoint detected amperometrically. |
| Acidity (as Acetic Acid) | Acid-Base Titration with NaOH | Neutralization of acidic impurities using standardized sodium hydroxide solution and phenolphthalein indicator. |
| Color (APHA) | Visual Comparison or Spectrophotometric Measurement at 430 nm | Comparison of sample color intensity against platinum-cobalt standards or measurement of absorbance at 430 nm in a 10 cm cell. |
| Density at 20 degC | Digital Density Meter (Oscillating U-tube) | Measurement of sample density via resonant frequency shift of a vibrating U-shaped tube filled with the liquid. |
| Refractive Index at 20 degC | Abbe Refractometer | Determination of refractive index by measuring the critical angle of total internal reflection at the prism-sample interface. |
| Residue on Evaporation | Gravimetric Analysis | Evaporation of a known volume under controlled conditions followed by weighing of non-volatile residue. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of metal impurities after acid digestion and chelation, using hollow cathode lamp and air-acetylene flame. |
| Chloride Content | Ion Chromatography (IC) or Potentiometric Titration with AgNO3 | Separation and conductivity detection of chloride ions (IC) or argentometric titration with silver nitrate and potentiometric endpoint detection. |
| Aldehyde Content | Spectrophotometry after Reaction with Purpald Reagent | Derivatization of aldehydes to purple chromophores followed by absorbance measurement at 550 nm. |
| Non-Volatile Matter | Gravimetric Analysis | Evaporation of a specified mass to dryness at 105 degC and weighing of residual solids. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light passing through a solution in a standardized cell at specified concentration and temperature. |
Technical Specifications of 2-methylpropane-1,2-diol
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=98.0% (GC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Refractive Index (n20/D) | 1.415 - 1.420 |
| Relative Density (20°C/25°C) | 0.930 - 0.940 g/cm³ |
| Acid Value (mg KOH/g) | <=0.5 |
| Color (APHA/Pt-Co) | <=10 |
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 2-methylpropane-1,2-diol
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2-methylpropane-1,2-diol
Packaging of 2-methylpropane-1,2-diol
Industrial 2-methylpropane-1,2-diol 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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