Formula: | C₁₀H₈–R (general formula; R = alkyl substituents such as C₁–C₄) |
CAS Number: | 68608-89-9 (for alkylated naphthalene mixtures) |
EC Number (EINECS): | 265-151-9 (for common commercial mixtures) |
HS Code: | 29029090 |
UN Number: | Not classified under UN for most commercial grades |
IUPAC Name: | Alkyl Naphthalenes (mixture of isomers) |
Also Known As: | ANs; Mono-alkylated Naphthalenes; Di-alkyl Naphthalenes |
Molecular Weight, g/mol: | Varies with alkyl chain length (~156–270) |
Appearance: | Clear to pale yellow liquid |
Odor: | Mild, aromatic |
Melting Point, °C: | <0 (varies by alkyl chain length) |
Boiling Point, °C: | 280–360 (depending on isomer mix) |
Density, g/cm³ (at 20°C): | 0.90–0.95 |
Flash Point, °C: | >150 (closed cup) |
Solubility: | Insoluble in water; soluble in hydrocarbons |
Purity, %: | ≥98 (depending on grade) |
Grades Available: | Industrial, Lubricant Base Stock, Specialty |
Packaging: | 200kg drums, 1000kg IBC, bulk ISO tanks |
Primary Applications
Synthetic base stocks for high-performance lubricants
Thermal and oxidative stability enhancers in automotive/industrial oils
Transformer and dielectric fluids
Secondary Applications
Used as solvents and process fluids in specialty chemical manufacturing
Additives for metalworking fluids and greases
Intermediates in polymer and resin production
End Industries Served: Automotive, Industrial Lubricants, Electrical Equipment, Chemicals, Polymers, Energy
Hazard Class (GHS): Classified as hazardous to the aquatic environment (Category 2); may cause irritation
Hazard Statements (H-Codes):
H315: Causes skin irritation
H319: Causes serious eye irritation
H411: Toxic to aquatic life with long lasting effects
Precautionary Statements (P-Codes):
P273: Avoid release to the environment
P280: Wear protective gloves/eye protection
P305 + P351 + P338: IF IN EYES – rinse cautiously with water
Storage Conditions
Store in cool, well-ventilated area
Protect from heat, sparks, and strong oxidizers
Keep containers tightly sealed
Transport Information
ADR/RID: Not classified as dangerous goods
IMDG: Not classified as dangerous goods (except some high-concentration grades)
IATA: Not classified as dangerous goods