2,3-Pyridinedicarboxylic Anhydride (CAS 699-98-9) Technical Guide
Table of Contents
1. Product Overview & Specifications
| Parameter | Specification |
|---|---|
| Chemical Name | 2,3-Pyridinedicarboxylic anhydride |
| CAS Number | 699-98-9 |
| Molecular Formula | C7H3NO3 |
| Molecular Weight | 149.10 g/mol |
| Appearance | White crystalline powder |
| Purity | ≥95% (typical), 98-99% (high grade) |
2. Key Physicochemical Properties
| Property | Value |
|---|---|
| Melting Point | 137-139°C |
| Boiling Point | 334.6°C at 760 mmHg |
| Density | 1.556 g/cm³ |
| Flash Point | 156.2°C |
| Vapor Pressure | 0.000127 mmHg at 25°C |
| Solubility | Slightly soluble in water, soluble in alkaline solutions |
3. Primary Applications
- Pharmaceutical Intermediate: Key precursor in synthesizing Moxifloxacin (broad-spectrum antibiotic)
- Organic Synthesis: Building block for pyridine derivatives in agrochemicals and dyes
- Research Reagent: Used in metallurgical analysis for copper ion detection
- Specialty Chemicals: Intermediate for corrosion inhibitors and polymer modifiers
4. Industrial Use Cases
Case Study 1: Antibiotic Production
Used in multi-step synthesis of Moxifloxacin HCl, demonstrating >98% reaction efficiency in carboxylation steps.
Case Study 2: High-Performance Polymers
Modified polyamide resins using this anhydride showed 15% improvement in thermal stability (TGA analysis).
5. Safety & Handling Guidelines
| Hazard | Precaution |
|---|---|
| Skin Irritation | Wear nitrile gloves and protective clothing |
| Eye Damage | Use ANSI-approved chemical goggles |
| Respiratory Risk | Employ NIOSH-certified N95 respirator in powder handling |
| Storage | Keep in sealed containers at 2-8°C under inert atmosphere |
GHS Classification: Warning (H315, H319)
6. Supplier Information
Available in pharmaceutical and industrial grades from certified manufacturers. Custom synthesis and bulk quantities (25kg+ drums) available.
Contact for Technical Specifications:
Email: info@vivalr.com
Tel: (86) 15866781826
相关产品
Chemical Name: 1,1,2,2-Tetrachloroethane
Other Name: Tetrachlorethane
CAS No.: 79-34-5
Molecular Formula: C2H2Cl4
Molecular Weight: 167.85
Appearance: Liquid
Chemical Name: alpha-Hexylcinnamaldehyde
CAS No.: 101-86-0
Molecular Formula: C15H20O
Molecular Weight: 216.32
Appearance: Yellow Liquid
Common English name: 5-iodo-2,3-dihydropyridazin-3-one
CAS No.: 825633-94-1
Molecular formula: C4H3IN2O
Molecular weight: 221.98
Sample: Available
Chemical Name: D-Phenothrin
CAS No.: 26046-85-5
Molecular Formula: C23H26O3
Molecular Weight: 350.45
Appearance: Oil
Chemical Name: 4-((2-Furylmethyl)thio)-4-methylpentan-2-one
Cas No.: 64835-96-7
Molecular Fomula: C11H16O2S
Molecular Weight: 212.31
Appearance: Colorless to light yellow liquid
Chemical Name: Tribehenin
Cas No.: 18641-57-1
Molecular Fomula: C69H134O6
Molecular Weight: 1059.8
Appearance: White waxy powder or solid
Chemical Name: Marbofloxacin
CAS No.: 115550-35-1
Molecular Formula: C17H19FN4O4
Molecular Weight: 362.36
Appearance: Red-Brown Crystal
Chemical Name: D-PANTOTHENIC ACID
CAS No.: 79-83-4
Molecular Formula: C9H17NO5
Molecular Weight: 219.24
Appearance: Colorless or Light Yellow Oily Liquid
Chemical Name: Choline salicylate
CAS No.: 2016-36-6
Molecular Formula: C12H19NO4
Molecular Weight: 241.28
Appearance: Red-Brown Crystal
Chemical Name: DL-4-Chlorophenylglycine
Cas No.: 6212-33-5
Molecular Fomula: C8H8ClNO2
Molecular Weight: 185.61
Chemical Name: D-Phenothrin
CAS No.: 26046-85-5
Molecular Formula: C23H26O3
Molecular Weight: 350.45
Appearance: Oil
评论
目前还没有评论。