3,7-Dimethyl-7-hydroxyoctanal Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 107-75-5 |
| Product name | 3,7-Dimethyl-7-hydroxyoctanal |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeCosmetic GradeFood 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 3,7-Dimethyl-7-hydroxyoctanal
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3,7-Dimethyl-7-hydroxyoctanal Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 3,7-Dimethyl-7-hydroxyoctanal
| Industry | Application | Process |
|---|---|---|
| Personal Care & Fragrance | Formulation of floral fragrances (e.g., lily of the valley, lily, magnolia) for soaps, detergents, cosmetics, and perfumes | Used as a primary fragrance ingredient or modifier, directly incorporated into fragrance formulations at typical concentrations of 1–10% (w/w) |
| Food Flavoring | Synthetic food flavoring agent permitted under GB 2760-2024, used in fruit- and floral-type food flavorings | Applied in final food products in accordance with GB 30616 (“National Food Safety Standard – Food Flavors”), at levels sufficient for production requirements; typical dosage: 0.1–5 mg/kg |
| Tobacco Industry | Fragrance additive for cigarette manufacturing, imparting fresh, green, and floral notes | Applied as a fragrance solution sprayed onto cut tobacco during late-stage processing (hydroxycitronellal is commonly dissolved in ethanol or propylene glycol to form 10–30% solutions), followed by uniform distribution and drying |
| Pharmaceutical Intermediates | Key precursor in the synthesis of vitamin A, vitamin E, and retinoid derivatives | Participates in multi-step total synthesis pathways—including reduction, condensation, and cyclization reactions—such as Wittig reaction for conjugated polyene chain construction |
Manufacturing Quality Control of 3,7-Dimethyl-7-hydroxyoctanal
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Appearance and Characteristics | Visual Inspection, Odor Identification | Observe the sample's color, transparency, physical state (liquid), and smell to preliminarily determine if it meets standard specifications (e.g., colorless to pale yellow liquid with a floral odor). |
| Assay (Content Determination) | Gas Chromatography (GC) | Use a gas chromatograph to separate sample components and quantify hydroxycitronellal content via internal or external standard method, typically with an FID detector, ensuring purity compliance (usually ≥98%). |
| Refractive Index | Abbe Refractometer Method | Measure the refractive index (nD²⁰) at a specified temperature (e.g., 20°C) to evaluate purity and consistency; standard range is approximately 1.450–1.460. |
| Relative Density | Pycnometer Method or Digital Density Meter | Determine the relative density (d²⁰₄) at 20°C as a physical constant to help assess authenticity and purity; typical value is about 0.92–0.94. |
| Acid Value | Acid-Base Titration | Titrate free acids in the sample using potassium hydroxide in ethanol solution, expressed in mg KOH/g, to control the degree of acid degradation; generally required to be ≤1.0 mg KOH/g. |
| Moisture Content | Karl Fischer Titration | Determine trace moisture using volumetric or coulometric methods to ensure product stability; typically limited to ≤0.5%. |
| Heavy Metal Residues | Atomic Absorption Spectroscopy (AAS) or ICP-MS | Test for harmful metal elements such as lead, arsenic, mercury, and cadmium to meet safety standards for cosmetics or fragrances (e.g., Pb ≤ 10 ppm). |
| Microbial Limits | Plate Count Method, Membrane Filtration Method | Test total bacterial, mold, and yeast counts, as well as specific pathogens (e.g., E. coli, Staphylococcus aureus) according to pharmacopoeia or industry standards to ensure hygienic safety. |
| Volatile Impurities | GC-MS (Gas Chromatography-Mass Spectrometry) | Qualitative and quantitative analysis of volatile organic impurities (e.g., unreacted raw materials, by-products) to ensure product purity and safety. |
| Thermal/Storage Stability | Accelerated Stability Test + Periodic GC Analysis | Store samples under elevated temperature (e.g., 40°C, 75% RH) for a defined period, periodically sampling to monitor content changes and degradation products, thereby evaluating shelf-life stability. |
Technical Specifications of 3,7-Dimethyl-7-hydroxyoctanal
| Test Item | Specification |
|---|---|
| Appearance | White to almost white crystalline powder |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.475–1.485 |
| Odor | Characteristic floral, lilac-like odor |
| Melting Point | 36–40°C |
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 3,7-Dimethyl-7-hydroxyoctanal
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 3,7-Dimethyl-7-hydroxyoctanal
Safety Information of 3,7-Dimethyl-7-hydroxyoctanal
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 3,7-Dimethyl-7-hydroxyoctanal
Industrial 3,7-Dimethyl-7-hydroxyoctanal 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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