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Dibutyl phthalate  Structure

Dibutyl phthalate

Chemical Properties

Melting point -35 °C (lit.)
Boiling point 340 °C (lit.)
Density  1.043 g/mL at 25 °C (lit.)
vapor density  9.6 (vs air)
vapor pressure  1 mm Hg ( 147 °C)
refractive index  n20/D 1.492(lit.)
Flash point 340 °F
storage temp.  2-8°C
solubility  Very soluble in alcohol, ether, acetone, benzene
form  Liquid
Specific Gravity 1.049 (20/20℃)
color  APHA: ≤10
Relative polarity 0.272
Odor odorless
explosive limit 0.47%, 236°F
Water Solubility  Slightly soluble. 0.0013 g/100 mL
FreezingPoint  -35℃
Merck  14,3035
BRN  1914064
Henry's Law Constant 6.3 x 10-5 atm?m3/mol (quoted, Petrasek et al., 1983)
Exposure limits NIOSH REL: TWA 5 mg/m3, IDLH 4,000 mg/m3; OSHA PEL: TWA 5 mg/m3; ACGIH TLV: TWA 5 mg/m3.
Dielectric constant 6.0(45℃)
InChIKey DOIRQSBPFJWKBE-UHFFFAOYSA-N
LogP 4.46-4.57 at 20-30℃
CAS DataBase Reference 84-74-2(CAS DataBase Reference)
NIST Chemistry Reference Dibutyl phthalate(84-74-2)
EPA Substance Registry System Dibutyl phthalate (84-74-2)

Safety Information

Hazard Codes  T,N,F
Risk Statements  61-50-62-39/23/24/25-23/24/25-11
Safety Statements  53-45-61-36/37-16
RIDADR  UN 3082 9/PG 3
WGK Germany  2
RTECS  TI0875000
Autoignition Temperature 756 °F
TSCA  Yes
HazardClass  9
PackingGroup  III
HS Code  29173100
Hazardous Substances Data 84-74-2(Hazardous Substances Data)
Toxicity Acute oral LD50 for rats 8,000 mg/kg (RTECS, 1985).
IDLA 4,000 mg/m3

MSDS

Usage And Synthesis

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