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2-Methylnaphthalene Structure

2-Methylnaphthalene

Chemical Properties

Melting point 34-36 °C(lit.)
Boiling point 241-242 °C(lit.)
Density  1.01
vapor pressure  5.4 (extrapolated, Mackay et al., 1982)
refractive index  1.6019
Flash point 208 °F
storage temp.  2-8°C
solubility  0.025g/l
form  Crystalline Low Melting Solid
color  White
Water Solubility  0.00246 g/100 mL
FreezingPoint  34.5℃
BRN  906859
Henry's Law Constant 6.13 at 25 °C (thermodynamic method-GC/UV spectrophotometry, Altschuh et al., 1999)
Exposure limits ACGIH: TWA 0.5 ppm (Skin)
Stability Stable. Incompatible with strong oxidizing agents.
InChIKey QIMMUPPBPVKWKM-UHFFFAOYSA-N
CAS DataBase Reference 91-57-6(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII S8MCX3C16H
NIST Chemistry Reference Naphthalene, 2-methyl-(91-57-6)
EPA Substance Registry System 2-Methylnaphthalene (91-57-6)

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H302-H315-H319-H335-H411
Precautionary statements P261-P264-P273-P301+P312-P302+P352-P305+P351+P338
Hazard Codes  Xn,N,T
Risk Statements  22-36/37/38-51/53-63-43-23/24/25-45-20/21/22-67-40
Safety Statements  26-37/39-61-36/37-24/25-23-53-36-29
RIDADR  UN 3077 9/PG 3
WGK Germany  2
RTECS  QJ9635000
TSCA  Yes
HazardClass  9
PackingGroup  III
HS Code  29029080
Hazardous Substances Data 91-57-6(Hazardous Substances Data)
Toxicity Acute oral LD50 for rats 1,630 mg/kg (quoted, RTECS, 1985).
NFPA 704:
1
2 0

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2-Methylnaphthalene Chemical Properties,Usage,Production

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