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: Solvent naphtha
CAS Number: 64742-94-5
Alias: Heavy aromatic solvent naphtha, Aromatic 150, Petroleum solvent naphtha heavy aromatics
Molecular Formula: Mixed C9-C16 aromatic hydrocarbons (no single fixed formula, representative C9H12)
Average Molecular Weight: 120–220 (batch-dependent mixture)
EINECS: 265-198-5
Structural Information
- Structure Type: Complex petroleum aromatic hydrocarbon mixture
- Structural Features: Mainly alkyl-substituted benzenes (trimethylbenzene, ethylmethylbenzene, C10-C13 polyalkyl aromatics), high aromatic content above 98%; no unified single molecular structure
Physical & Chemical Properties
- Appearance: Colorless transparent mobile liquid
- Odor: Strong characteristic aromatic solvent odor
- Melting Point: Approx -100 °C
- Boiling Range: 165–290 °C
- Density: 0.890–0.911 g/cm3 (20°C)
- Flash Point (closed cup): ≥70 °C
- Solubility: Practically insoluble in water; fully miscible with alcohols, esters, ketones, aliphatic & aromatic solvents
- Stability: Stable under sealed cool storage; flammable vapor heavier than air; incompatible with strong oxidants, high temperature & open flame
Synthesis & Applications
Production Method
Distillation fractionation of petroleum reforming aromatic stream, remove light fractions to obtain heavy aromatic solvent naphtha
Main Applications
- Coatings & Ink: High-boiling solvent for industrial paint, printing ink, varnish, resin diluent
- Agrochemicals: Carrier solvent & emulsifier for pesticide, herbicide formulations
- Industrial Cleaning: Metal degreasing, machinery parts cleaning agent
- Adhesive & Sealant: Dissolve rubber, resin raw materials for glue production
- Chemical Intermediate: Raw material for fine chemical synthesis, plasticizer production
Safety & Storage Instructions
GHS Hazard Classification
- H226 Combustible liquid and vapor
- H304 Fatal if swallowed and enters airway (aspiration hazard)
- H336 May cause drowsiness or dizziness
- H351 Suspected of causing cancer
- H410 Very toxic to aquatic life with long lasting effects
Personal Protection
Full-face chemical goggles, nitrile solvent-resistant gloves, vapor respirator; operate in fully ventilated workshop, isolate all ignition sources
Storage Condition
Hermetically sealed metal drums, cool ventilated warehouse; separate from oxidants, strong acids, fire sources; avoid direct sunlight & high temperature
Transportation
UN 1270 Class 3 Flammable liquid, Packing Group III hazardous goods; prevent leakage, collision and sun exposure
Quality Specifications
- Total aromatic content: ≥98 wt%
- Water content: ≤0.05%
- Color (APHA): ≤30
- Distillation range: 165–215 ℃ (95% distillate)
Information Summary Table
| Item | Specification |
| CAS Number | 64742-94-5 |
| Product Name | Solvent naphtha |
| Synonym | Heavy aromatic solvent naphtha / Aromatic 150 |
| Molecular Formula | Mixed C9-C16 aromatic hydrocarbons (no single formula) |
| Average Molecular Weight | 120–220 |
| Appearance | Colorless clear liquid |
| Boiling Range | 165–290 ℃ |
| Solubility | Insoluble in water, miscible with all organic solvents |
| Aromatic Content | ≥98% |
| Storage Condition | Sealed cool warehouse, far from fire & oxidants |
| Hazard Property | Combustible, aspiration toxic, suspected carcinogen, aquatic hazard |
| Main Usage | Paint/ink solvent, agrochemical carrier, industrial degreaser, adhesive thinner |
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