Dibutyl phthalate NEW

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