2-(ALLYLOXY)TETRAHYDROPYRAN Bulk Supply for Industrial Use

China Factory Direct
CAS number 4203-49-0
Product name 2-(ALLYLOXY)TETRAHYDROPYRAN
Stock Stock readily available; annual supply capacity exceeding 1,000 tons.
Grade Pharmaceutical GradeMaterial GradeSpecialty 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)
Ordering Procedure & Service Assurance
Inquiry
Inquiry
Submit requirements
Quotation
Quotation
Clear pricing
Spec
Spec Confirmation
Avoid mismatch
Sample
Sample Testing
Verify quality
Order
Order
Secure deal
Delivery
Delivery
On-time
Spec Confirmation
Sample Testing
Contract Protection
QC Inspection
On-time Delivery

QUOTE TYPE

FOB (Free On Board)
CIF (Cost, Insurance, Freight)
EXW (Ex Works)

PACKAGING TYPE

TOTAL QUANTITY(KG)

PREFERRED SHIPPING METHOD

Air Freight
Sea Freight

YOUR COMPANY

YOUR E-MAIL

Calculate Summary

Based on current marketvolatility and material availability.

CAS No:4203-49-0
QUOTE TYPE:--
PACKAGING TYPE:--
TOTAL QUANTITY:--
SHIPPING METHOD:--

Documents We Provide for 2-(ALLYLOXY)TETRAHYDROPYRAN

COA TDS SDS NMR MOA Certificate of Origin Transport Report TSCA Declaration Production Flow Chart
Pre-sale: Only COA, SDS and NMR are available.
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2-(ALLYLOXY)TETRAHYDROPYRAN Supplier from China

17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.

Industrial Applications of 2-(ALLYLOXY)TETRAHYDROPYRAN

Industry Application Process
Chemical Synthesis Organic synthesis intermediate Used to construct oxygen-containing heterocyclic compounds or as an alkoxylating agent in nucleophilic substitution reactions
Pharmaceutical R&D Building block for drug molecules Introduces the allyloxy pyran moiety in medicinal chemistry to modulate lipophilicity or metabolic stability
Materials Science Functional monomer Participates in free-radical or ring-opening polymerization to produce polymeric materials with specific optical or electrical properties

Manufacturing Quality Control of 2-(ALLYLOXY)TETRAHYDROPYRAN

Detection Item Common Analytical Method Method Overview
Assay (Purity) Gas Chromatography (GC) with FID detection Quantifies main component peak area against calibrated standard; separation based on volatility and polarity.
Water Content Karl Fischer Titration Electrochemical titration using iodine generation; stoichiometric reaction with water determines moisture content.
Acid Value Acid-Base Titration with NaOH Neutralization of acidic impurities using standardized sodium hydroxide solution; endpoint detected potentiometrically or with indicator.
Color (APHA) Visual Comparison or Spectrophotometric Measurement at 430 nm Compares sample color to APHA platinum-cobalt standards; quantifies yellowness index via absorbance at specified wavelength.
Density at 20 C Digital Density Meter (Oscillating U-tube) Measures oscillation period of a U-shaped tube filled with sample; correlates to mass per unit volume.
Refractive Index at 20 C Abbe Refractometer Determines ratio of light velocity in air vs. sample by measuring critical angle of total internal reflection.
Residue on Evaporation Gravimetric Analysis Evaporates known volume under controlled conditions and weighs non-volatile residue after drying.
Heavy Metals (as Pb) Atomic Absorption Spectroscopy (AAS) Atomizes sample in flame or graphite furnace and measures absorption of element-specific UV-Vis radiation.
Chloride Content Ion Chromatography (IC) or Potentiometric Titration with AgNO3 Separates and quantifies chloride ions via conductivity detection (IC) or silver nitrate titration with chloride-selective electrode.
Aldehyde Impurities HPLC with UV Detection after Derivatization Derivatizes aldehydes with DNPH, separates via reversed-phase column, detects hydrazone derivatives at ~360 nm.
Peroxide Value Iodometric Titration Oxidizes iodide to iodine by organic peroxides; liberated iodine titrated with standardized sodium thiosulfate.
Non-Volatile Residue Gravimetric Analysis (Hot Plate Evaporation) Evaporates fixed mass of sample at 105 C to constant weight; difference gives residue mass.

Technical Specifications of 2-(ALLYLOXY)TETRAHYDROPYRAN

Test Item Specification
Appearance Colorless liquid
Purity >=98.5% (GC-MS)
Water Content (KF) <=0.5%
Total Impurities <=1.5%
Single Impurity <=0.3%
Refractive Index (n20/D) 1.465–1.475
Relative Density (20°C/25°C) 1.02–1.04 g/cm³
Odor Characteristic mild ether-like odor
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com

Download COA of 2-(ALLYLOXY)TETRAHYDROPYRAN

CAS/Product ID *Required fields
Lot/Batch Number *Required fields

NMR Spectra of 2-(ALLYLOXY)TETRAHYDROPYRAN

Safety Information of 2-(ALLYLOXY)TETRAHYDROPYRAN

Pictograms
Signal Word Danger
Safety Data Sheet

Packaging of 2-(ALLYLOXY)TETRAHYDROPYRAN

We have a diverse range of chemicals in stock. Available in IBC (1000 ltr.), Drums (200 ltr.),Drums (25 ltr.).

Industrial 2-(ALLYLOXY)TETRAHYDROPYRAN 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.

Industrial
Use
Bulk
Supply
Factory
Direct
ISO 9001
Certified
Samples
Available
Stable
Supply