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2 2-Dimethylbutane 75-83-2

(CH3)3CCH2CH3;2,2-dimethyl-butan;butane,2,2-dimethyl-;NEOHEXANE;NEOBUTANE;2,2-DIMETHYLBUTANE, STANDARD FOR GC;2,2-dinethyl butane;Trimethylpropane

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  • 75-83-2

  • bosschemical

  • 75-83-2

2,2-Dimethylbutane Basic information
Product Name: 2,2-Dimethylbutane
CAS: 75-83-2
MF: C6H14
MW: 86.18
EINECS: 200-906-8
Mol File: 75-83-2.mol
2,2-Dimethylbutane Chemical Properties
Melting point −100 °C(lit.)
Boiling point 50 °C(lit.)
density 0.649 g/mL at 25 °C(lit.)
vapor density 2.97 (vs air)
vapor pressure 5.35 psi ( 20 °C)
refractive index n20/D 1.369(lit.)
Fp <−30 °F
storage temp. Flammables area
solubility In methanol: 590 and 800 g/L at 5 and 10 °C, respectively. Miscible at higher temperatures (Kiser et al., 1961). Miscible with other aliphatic hydrocarbons, e.g., pentane, hexane, heptane, etc.
pka >14 (Schwarzenbach et al., 1993)
form Liquid
color Clear colorless to slightly yellow
Odor Threshold 20ppm
explosive limit ~7.7%
Water Solubility insoluble
BRN 1730736
Henry's Law Constant 1.69(atm?m3/mol) at 25 °C (Mackay and Shiu, 1981)
Exposure limits ACGIH TLV: TWA and STEL for all isomers except n-hexane are 500 and 1,000 ppm, respectively (adopted).
Stability: Stable, but may be moisture sensitive. Highly flammable. Incompatible with strong oxidizing agents.
CAS DataBase Reference 75-83-2(CAS DataBase Reference)
NIST Chemistry Reference Butane, 2,2-dimethyl-(75-83-2)
EPA Substance Registry System 2,2-Dimethylbutane (75-83-2)



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