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2-Chloronaphthalene Structure

2-Chloronaphthalene

Chemical Properties

Melting point 57-60 °C
Boiling point 256 °C
Density  1.1377
vapor pressure  0.40 at 59.0 °C (Verevkin, 2003)
refractive index  1.6079
Flash point 125 °C
storage temp.  Sealed in dry,Room Temperature
solubility  Soluble in chloroform, carbon disulfide (Windholz et al., 1983), and many other halogenated liquid solvents (e.g., methylene chloride).
form  Crystalline Powder
color  White to almost white
Water Solubility  insoluble
Merck  2150
Henry's Law Constant 3.31 x 10-4 atm?m3/mol at 25 °C (gas stripping-UV spectrophotometry, Shiu and Mackay, 1997)
Dielectric constant 5.0(24℃)
CAS DataBase Reference 91-58-7(CAS DataBase Reference)
FDA UNII 49O81U3ITI
NIST Chemistry Reference Naphthalene, 2-chloro-(91-58-7)
EPA Substance Registry System 2-Chloronaphthalene (91-58-7)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H411
Precautionary statements P273-P391-P501
Hazard Codes  Xi,T,F
Risk Statements  36/37/38-39/23/24/25-23/24/25-11
Safety Statements  37/39-26-45-36/37-16-7
RIDADR  UN1230 3/PG 2
WGK Germany  3
RTECS  QJ2275000
HS Code  29039990
Hazardous Substances Data 91-58-7(Hazardous Substances Data)
Toxicity Acute oral LD50 for rats 2,078 mg/kg, mice 886 mg/kg (quoted, RTECS, 1985).
NFPA 704:
1
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