142-79-0 Bulk Supply for Industrial Use

China Factory Direct
CAS number 142-79-0
Product name 142-79-0
Stock Stock readily available; annual supply capacity exceeding 1,000 tons.
Grade Agricultural GradeMaterial GradeSpecialty GradeIndustrial GradeCosmetic GradeFood 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)
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)

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Air Freight
Sea Freight

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CAS No:142-79-0
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Documents We Provide for 142-79-0

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 142-79-0 Supplier from China

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

Industrial Applications of 142-79-0

Industry Application Process
Pharmaceutical Industry Intermediate in the synthesis of certain pharmaceuticals Participates in target molecule construction via acylation
Pesticide Industry Used in the production of specific pesticide types Reacts with amines to form corresponding amides, which are further incorporated into active ingredient synthesis
Fine Fragrance Industry Used to formulate specialty fragrance compounds Introduces specific functional groups via esterification or amidation to achieve desired olfactory characteristics
Fine Chemicals Basic raw material for synthesizing other chemicals Serves as a building block in various organic reactions—including condensation and addition—to construct complex molecular frameworks
Materials Science Monomer in polymer synthesis Copolymerizes with other monomers under specific conditions to yield high-performance polymeric materials

Manufacturing Quality Control of 142-79-0

Detection Item Common Analytical Method Method Overview
Assay (Purity) Gas Chromatography (GC) with FID detection Quantifies 1,7-heptanedioyl chloride peak area against calibrated standard curve.
Acid Chloride Content Acid-Base Titration with pyridine and KOH in toluene Hydrolyzes acid chloride groups to carboxylic acids, followed by titration of liberated HCl.
Residual Acid Chlorides Potentiometric Titration with AgNO3 Measures unreacted acid chloride via argentometric titration of chloride ions after hydrolysis.
Water Content Karl Fischer Coulometric Titration Electrochemically determines water based on iodine generation stoichiometrically proportional to water.
Color APHA Color Scale (Visual or Spectrophotometric) Compares sample color to platinum-cobalt standard solutions using spectrophotometer at 455 nm.
Density Digital Density Meter (Oscillating U-tube) Measures oscillation period of U-shaped tube filled with sample to calculate density at specified temperature.
Refractive Index Abbe Refractometer Determines refractive index by measuring critical angle of total internal reflection at prism-sample interface.
Non-Volatile Residue Gravimetric Analysis (Evaporation and Weighing) Evaporates known mass of sample under controlled conditions and weighs residue after drying.
Heavy Metals (as Pb) ICP-OES Atomizes and excites sample in plasma; quantifies metal emission intensities at characteristic wavelengths.
Chloride Impurities (inorganic) Ion Chromatography (IC) with conductivity detection Separates anions on ion-exchange column and detects chloride via suppressed conductivity.
Aldehyde Impurities GC-MS Separates volatile impurities by GC and identifies/quantifies aldehydes using mass spectral fragmentation patterns.
Residual Solvents (e.g., toluene, hexane) Headspace GC-FID Analyzes volatile solvents in vapor phase above sample using flame ionization detection.

Technical Specifications of 142-79-0

Test Item Specification
Appearance Brown liquid
Purity >=98.0% (GC-MS)
Water Content (KF) <=0.5%
Total Impurities <=2.0%
Single Impurity <=0.5%
Identification (NMR) Consistent with structure
Refractive Index (n20/D) 1.455–1.465
Relative Density (20°C/25°C) 1.12–1.14 g/cm³
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 142-79-0

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NMR Spectra of 142-79-0

Safety Information of 142-79-0

Pictograms
Signal Word Danger
Safety Data Sheet

Packaging of 142-79-0

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

Industrial 142-79-0 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