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.
Basic Information
Product Name: Pyrene
CAS Number: 129-00-0
Alias: Benzo[def]phenanthrene
Chemical Full Name: Pyrene
Molecular Formula: C16H10
Molecular Weight: 202.25
EINECS: 204-094-6
Structural Information
- Structure Type: Four-ring fused polycyclic aromatic hydrocarbon (PAH)
- Structural Features: Coplanar four fused benzene ring conjugated system, strong fluorescence property; large π-electron conjugated structure, easy to form charge transfer complexes
- Characteristic: Typical fluorescent aromatic hydrocarbon, high thermal stability
Physical & Chemical Properties
- Appearance: Pale yellow crystalline flake powder
- Odor: Odorless
- Melting Point: 150–152 °C
- Boiling Point: 393–395 °C
- Flash Point: 210 °C (closed cup)
- Density (20℃): 1.271 g/cm3
- Solubility: Insoluble in water; soluble in benzene, toluene, xylene, chloroform, dichloromethane; slightly soluble in ethanol, methanol
- Stability: Stable under dark sealed storage; prone to photooxidation under strong UV light; undergoes electrophilic substitution, nitration, sulfonation, bromination reactions; thermally stable below 300℃
Synthesis & Applications
Production Method
Extracted and separated from coal tar high-boiling fraction via rectification, recrystallization and purification.
Main Applications
- Fluorescent dye intermediate: Raw material for high-temperature resistant fluorescent pigments, fluorescent whitening agents
- Biochemical analysis reagent: Fluorescent probe for lipid, cell membrane, polymer material detection
- Polymer additive: Fluorescent tracer for plastic, rubber, fiber material
- Electronic material raw material: Organic photoelectric material, luminescent layer precursor for OLED
- Environmental standard sample: Standard reference substance for PAH detection in water, soil and food
Safety & Storage Instructions
GHS Hazard Classification
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H341 Suspected of causing genetic defects
- H351 Suspected of causing cancer
- H410 Very toxic to aquatic life with long lasting effects
Personal Protection
Dust respirator, full-face chemical goggles, impermeable nitrile protective gloves, dust-proof work clothes; operate in fume hood, avoid dust inhalation and direct skin contact.
Storage Condition
Hermetically sealed light-proof plastic drum, cool dry ventilated warehouse ≤25℃; isolate oxidants, food and feed raw materials.
Transportation
Hazardous environment pollutant solid; strictly avoid leakage, prevent contact with water body during transit, separate from food goods.
Quality Specifications
- Purity (HPLC): ≥98.0%
- Loss on Drying: ≤0.2%
- Residue on Ignition: ≤0.1%
- Other PAH impurities: ≤0.5%
Information Summary Table
| Item | Specification |
| CAS Number | 129-00-0 |
| Product Name | Pyrene |
| Synonym | Benzo[def]phenanthrene |
| Molecular Formula | C16H10 |
| Molecular Weight | 202.25 |
| Appearance | Pale yellow crystalline flakes |
| Melting Point | 150–152℃ |
| Core Advantage | Strong fluorescence, high thermal stability, conjugated polycyclic aromatic structure |
| Storage Rule | Sealed light-proof low-temperature storage, far from oxidants |
| Hazard Property | Suspected carcinogen, genetic toxicity, highly toxic to aquatic organisms, skin/eye irritant |
| Main Usage | Fluorescent pigment intermediate, fluorescent probe, organic optoelectronic raw material, environmental detection standard |
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