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3-METHYLPENTANE Structure

3-METHYLPENTANE

Chemical Properties

Melting point -118 °C
Boiling point 64 °C(lit.)
Density  0.664 g/mL at 25 °C(lit.)
vapor density  2.97 (vs air)
vapor pressure  135 mm Hg ( 17 °C)
refractive index  n20/D 1.376(lit.)
Flash point 20 °F
storage temp.  Flammables area
solubility  In methanol, g/L: 389 at 5 °C, 450 at 10 °C, 530 at 15 °C, 650 at 20 °C, 910 at 25 °C. Miscible at higher temperatures (Kiser et al., 1961).
form  Liquid
color  Clear colorless
explosive limit ~7.7%
Odor Threshold 8.9ppm
Water Solubility  Soluble in water. 0.013 g/L at 20°C). Miscible in ether, acetone. Soluble in ethanol.
BRN  1730734
Henry's Law Constant 1.693 atm?m3/mol at 25 °C (Hine and Mookerjee, 1975)
Exposure limits ACGIH TLV: TWA and STEL for all isomers except n-hexane are 500 and 1,000 ppm, respectively (adopted).
Dielectric constant 1.8899999999999999
Stability Stable. Highly flammable. Incompatible with strong oxidizing agents.
LogP 3.6 at 20℃ and pH7
CAS DataBase Reference 96-14-0(CAS DataBase Reference)
FDA UNII XD8O3ML76T
EPA Substance Registry System 3-Methylpentane (96-14-0)

Safety

Symbol(GHS) GHS hazard pictogramsGHS hazard pictogramsGHS hazard pictogramsGHS hazard pictograms
Signal wordDanger
Hazard statements H225-H304-H315-H319-H336-H411
Precautionary statements P210-P273-P301+P310-P303+P361+P353-P305+P351+P338-P331
Hazard Codes  F,Xn,N
Risk Statements  11-36-51/53-65-67-38
Safety Statements  16-23-33-61-62-29-9
RIDADR  UN 1208 3/PG 2
OEB A
OEL TWA: 100.0 ppm; 350.0 mg/m3, STEL: 510.0 ppm; 1800.0 mg/m3
WGK Germany  2
RTECS  SA2995500
Autoignition Temperature 532 °F
TSCA  Yes
HazardClass  3
PackingGroup  II
HS Code  29011000
Hazardous Substances Data 96-14-0(Hazardous Substances Data)
NFPA 704:
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