Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise focused on industry of fine chemicals research and develop, produce and sale. Shandong Huashang Chemical Co., Ltd. is located in Shan Dong Ji Nan China. we have the ability to provide you high quality products. More than 90 % of our products are exported to developed countries and regions such as north America, Europe, Japan, South Korea and the Middle East.
1. Basic Info
Name: Succinic anhydride
Alias: Dihydrofuran-2,5-dione, Butanedioic anhydride
CAS No.: 108-30-5
Molecular Formula: C4H4O3
Molecular Weight: 100.07
2. Physical & Chemical Properties
Physical Properties
- Appearance: White flaky crystalline solid with slight irritating odor
- Solubility: Soluble in hot water, ethanol, acetone, chloroform; slightly soluble in cold water; insoluble in petroleum ether
- Melting Point: 119.5–120.5 ℃
- Boiling Point: 261 ℃
- Density (20℃): 1.503 g/cm3
- Sublimation: Sublimes easily at low pressure and heating
- Hygroscopy: Absorbs water vapor in air and gradually hydrolyzes into succinic acid
- Volatility: Volatile with steam at high temperature
Chemical Properties
- Cyclic anhydride structure: Five-membered anhydride ring, high reactivity
- Hydrolysis reaction: Reacts with water to generate succinic acid; faster under heating or acid/alkali catalysis
- Esterification: Reacts with monohydric alcohols to form succinic acid monoester and diester
- Amidation: Condenses with primary/secondary amines to generate succinimide or amide derivatives
- Ring-opening addition: Reacts with phenols, thiols, hydroxyl groups to introduce succinyl functional groups
- Thermal stability: Stable below melting point; decomposes slightly above 280 ℃
- Compatibility: Compatible with most inert organic solvents; reacts violently with strong bases, water, alcohols, amines
3. Main Application Fields
1. Organic Synthesis Intermediate (Core Application)
- Raw material for manufacturing succinate plasticizers, epoxy curing agents
- Synthesis of succinimide, pharmaceutical intermediates, pesticide intermediates
- Modifier for resin, polymer graft modification
2. Pharmaceutical Industry
- Raw material for synthesis of anti-inflammatory drugs, vitamin derivatives, antibiotic intermediates
- Drug sustained-release carrier modifier; introduces hydrophilic groups to improve drug solubility
3. Coating & Resin Auxiliary
- Modifier for alkyd resin, polyurethane resin, water-based coating
- Curing agent additive for epoxy powder coating, improve coating flexibility and adhesion
4. Surfactant & Cosmetic Raw Material
- Anionic surfactant synthetic intermediate, emulsifier, dispersant raw material
- Cosmetic raw material modifier for adjusting skin care product mildness
5. Analytical Chemistry Reagent
Derivatization reagent for chromatographic detection of alcohols, amines, amino acids
4. Quality Specification Table
| Test Item | Standard Index |
| CAS Number | 108-30-5 |
| Molecular Formula | C4H4O3 |
| Molecular Weight | 100.07 |
| Appearance | White flaky crystal |
| Purity (GC) | Industrial Grade ≥99.0%; Fine Chemical Grade ≥99.5% |
| Melting Range | 119.5–120.5 ℃ |
| Moisture Content | ≤0.10% |
| Succinic Acid Impurity | ≤0.30% |
| Heavy Metals (Pb) | ≤10 ppm |
| Bulk Package | 25kg PE lined fiber drum |
| Storage Condition | Hermetic dry warehouse ≤25℃; isolate humid air, alkaline substances, water sources |
| Transportation Rule | Corrosive solid, moisture-proof sealed packaging, avoid mixing with alkaline chemicals |
| Shelf Life | 18 months under intact sealed packaging |
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