Tetrapropylammonium bisulfate Bulk Supply for Industrial Use

China Factory Direct
CAS number 56211-70-2
Product name Tetrapropylammonium bisulfate
Stock Stock readily available; annual supply capacity exceeding 1,000 tons.
Grade Pharmaceutical GradeMaterial GradeSpecialty Grade
Packaging 25KG/bag500KG/bag1000KG/bag
Sample Test Samples Available (Click to Request Samples)
COA View COA
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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
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EXW (Ex Works)

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CAS No:56211-70-2
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Documents We Provide for Tetrapropylammonium bisulfate

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 Tetrapropylammonium bisulfate Supplier from China

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

Industrial Applications of Tetrapropylammonium bisulfate

Industry Application Process
Organic Synthesis Phase-transfer catalyst Facilitates dissolution and reaction of ionic reagents in the organic phase during Williamson ether synthesis, alkylation, esterification, and related reactions
Pharmaceutical Intermediate Synthesis Chiral resolution aid Serves as a precursor or auxiliary reagent for chiral quaternary ammonium salt-based phase-transfer catalysts in asymmetric synthesis
Materials Science Surface modifier for nanomaterial preparation Controls morphology and dispersion of metal oxide nanoparticles (e.g., TiO₂, ZnO) by electrostatic adsorption to stabilize colloidal systems

Manufacturing Quality Control of Tetrapropylammonium bisulfate

Detection Item Common Analytical Method Method Overview
Assay (Purity) Acid-Base Titration with Standardized NaOH Quantifies tetrapropylammonium hydrogen sulfate by titrating the acidic proton with standardized sodium hydroxide using phenolphthalein or potentiometric endpoint detection.
Water Content Karl Fischer Coulometric Titration Determines trace water content electrochemically via iodine generation and stoichiometric reaction with water in anhydrous methanol-based solvent.
Residue on Ignition Gravimetric Analysis (Weight Loss on Ignition) Measures non-volatile inorganic impurities by heating sample to 700–800 °C and weighing residual ash after complete organic matrix decomposition.
Heavy Metals (as Pb) ICP-OES Quantifies total heavy metal content (e.g., Pb, Cd, Hg, As) by plasma excitation and elemental emission spectroscopy after acid digestion.
Chloride Impurity Ion Chromatography (IC) Separates and quantifies chloride anions using anion-exchange column with suppressed conductivity detection.
Organic Impurities (Related Substances) HPLC with UV Detection Separates and detects structurally related organic impurities (e.g., tripropylamine, propyl bromide derivatives) using reversed-phase C18 column and UV absorbance at 200–220 nm.
Melting Point Capillary Melting Point Apparatus Determines temperature range at which solid transitions to liquid, indicating purity and identity based on sharpness and agreement with literature value (~125–128 °C).
Appearance & Color Visual Inspection against Standard Solutions Assesses physical state (white to off-white crystalline powder) and absence of discoloration or foreign particles under controlled lighting.
pH (1% Aqueous Solution) pH Meter with Calibrated Electrode Measures hydrogen ion activity in aqueous solution; reflects hydrolytic stability and presence of acidic/basic degradation products.
Sulfate Content Barium Sulfate Gravimetric Method Precipitates sulfate as BaSO₄ under controlled acidity and temperature, followed by filtration, drying, and weighing of pure precipitate.
Residual Solvents (e.g., Methanol, Acetone) Gas Chromatography (GC-FID) Quantifies volatile organic solvents using capillary column separation and flame ionization detection with internal standard calibration.
Microbial Contamination Membrane Filtration and Plate Count Detects aerobic mesophilic microorganisms by filtration, membrane transfer to nutrient agar, and colony enumeration after incubation (if applicable for non-sterile grade).

Technical Specifications of Tetrapropylammonium bisulfate

Test Item Specification
Appearance White crystalline solid
Purity >=98.0%
Water Content (KF) <=0.5%
Melting Point 128-132°C
Total Impurities <=2.0%
Single Impurity <=0.5%
Residue on Ignition <=0.1%
Odor Characteristic, faint ammoniacal
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 Tetrapropylammonium bisulfate

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NMR Spectra of Tetrapropylammonium bisulfate

Safety Information of Tetrapropylammonium bisulfate

Pictograms
Signal Word Warning
Safety Data Sheet

Packaging of Tetrapropylammonium bisulfate

We have a diverse range of chemicals in stock. Available in Bagged goods (25 kg.),Big bags (500 kg.), Big bags (1000 kg.).

Industrial Tetrapropylammonium bisulfate 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
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Stable
Supply