China Factory Direct
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| CAS number | 90734-55-7 |
| Product name | 4-TERT-BUTYLPHENOXYACETYL CHLORIDE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeSpecialty Grade |
| Packaging | 25L/drum |
| 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 |
|---|---|---|
| Pesticides | Key intermediate for synthesizing pyrethroid insecticides (e.g., cyfluthrin, beta-cyfluthrin) | Acylation with fenvalerate sodium salt or structurally similar chrysanthemic acid derivatives to form the ester bond |
| Pharmaceuticals | Used to synthesize phenoxyacetic acid derivatives exhibiting anti-inflammatory and analgesic activity | Employed as an acyl chloride component in condensation reactions with amines or alcohols to introduce the 4-tert-butoxyphenoxyacetyl group |
| Organic Synthesis | Multifunctional acylating agent for introducing the 4-tert-butoxyphenoxyacetyl protecting group or functional moiety | Nucleophilic substitution with alcohols, phenols, or amines under anhydrous conditions, using triethylamine or pyridine as acid scavenger at 0–25 °C |
| 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 non-polar capillary column. |
| Residual Solvents | Headspace Gas Chromatography (HS-GC) | Volatile organic impurities are vaporized in sealed vials and quantified by GC-FID or GC-MS against calibration standards. |
| Moisture Content | Karl Fischer Titration (Coulometric mode) | Electrochemical titration where iodine generated in situ reacts stoichiometrically with water; endpoint detected amperometrically. |
| Acid Value | Acid-Base Titration (NaOH in methanol) | Neutralization of acidic impurities (e.g., HCl, carboxylic acids) with standardized sodium hydroxide solution using phenolphthalein indicator. |
| Chloride Content | Potentiometric Titration (AgNO3) | Precipitation titration using silver nitrate; endpoint detected by potential change across silver/silver chloride electrode. |
| Heavy Metals (Pb, Cd, Hg, Cr, As) | ICP-MS | Multi-element detection after acid digestion; quantification via isotope-specific mass spectrometry with internal standard correction. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity against established reference samples under controlled lighting conditions. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed as solid-to-liquid phase change; determined by controlled heating and optical detection. |
| Residual Catalyst (Pd, Ni) | ICP-OES | After microwave-assisted acid digestion, metal concentrations quantified by atomic emission at element-specific wavelengths. |
| Related Substances | HPLC with UV Detection | Separation on reversed-phase C18 column; impurities detected at 220 nm and quantified relative to main peak using external standard method. |
| Bulk Density | ASTM D1895 Method A (Tapped Density) | Mass per unit volume measured after mechanical tapping of a known mass in a graduated cylinder. |
| Particle Size Distribution | Laser Diffraction (Dry Dispersion) | Analysis of angular scattering pattern of laser light passed through dispersed particles to calculate size distribution by Mie theory. |
| Test Item | Specification |
|---|---|
| Appearance | Brown liquid |
| Purity | >=98.0% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Refractive Index (n20/D) | 1.520–1.540 |
| Relative Density (20°C/25°C) | 1.12–1.16 g/cm³ |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
| Pictograms | ![]() |
| Signal Word | Danger |
| Safety Data Sheet | |
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.