English name: Dibutyl phthalate
CAS number: 84-74-2
Molecular formula: C16H22O4
Molecular weight: 278.34
EINECS number: 201-557-4
MDL No. : MFCD00009441
Stats
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 conditions 2-8°C
The solubility is Very soluble in alcohol, ether, acetone, benzene
Liquid form
Color APHA: ≤10
Specific gravity 1.049 (20/20℃)
The relative polarity is 0.272
The Odor was odorless
The explosive limit is 0.47%, 236°F
Water solubility is Slightly soluble. 0.0013 g/100 mL
Freezing point -35℃
Merck14, 3035
BRN1914064
Henry's Law Constant6.3 x 10-5 atm? m3/mol (quoted, Petrasek et al., 1983)
Exposure limit NIOSH REL: TWA 5 mg/m3, IDLH 4,000 mg/m3; OSHA PEL: TWA 5 mg/m3; ACGIH TLV: TWA 5 mg/m3.
InChIKeyDOIRQSBPFJWKBE-UHFFFAOYSA-N
LogP4.46-4.57 at 20-30℃
Safety information
hazard symbol (GHS)GHS hazard pictogramsGHS hazard pictograms
GHS08,GHS09
Danger
Hazard Description H360FD-H410
Precautions P201-P273-P308+P313
Dangerous Goods mark T,N,F
Hazard category code 61-50-62-39/23/24/25-23/24/25-11
Safety Instructions 53-45-61-36/37-16
Dangerous Goods Transport No. UN 30829 /PG 3
WGK Germany2
RTECS number TI0875000
Spontaneous combustion temperature 756 °F
TSCAYes
Danger level 9
Packaging Category III
Customs Code 29173100
Toxicity Acute oral LD50 for rats 8,000 mg/kg (RTECS, 1985).
Immediate life-threatening and health-threatening concentrations of 4,000 mg/m3