Dibutyl phthalate

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Dibutyl phthalate
IUPAC name	Dibutyl phthalate
Other names	Di-n-butyl phthalate, Butyl phthalate, n-Butyl phthalate, 1,2-Benzenedicarboxylic acid dibutyl ester, o-Benzenedicarboxylic acid dibutyl ester, DBP, Palatinol C, Elaol
Identifiers
CAS number	[84-74-2]
PubChem	3026
EINECS number	201-557-4
RTECS number	TI0875000
Properties
Molecular formula	C16H22O4
Molar mass	278.35 g/mol
Appearance	Colorless oily liquid
Density	1.05 g/cm3 at 20 °C
Melting point	-35 °C
Boiling point	340 °C
Solubility in water	0.013 g/l
log P	4.72
Hazards
Main hazards	Dangerous for the environment (N), Harmful (Xi)
NFPA 704	1 1 0
R-phrases	R50, R61, R62
S-phrases	S45, S53, S61
Flash point	157 °C c.c.
Autoignition temperature	402 °C
Explosive limits	0.5 - 3.5%
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references

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Dibutyl phthalate (DBP) is a commonly used plasticizer. It is also used as an additive to adhesives or printing inks. It is soluble in various organic solvents, e.g. in alcohol, ether and benzene.

DBP was added to the California Proposition 65 (1986) List of suspected teratogens in November of 2006. It is a suspected endocrine disrupter. It was used in some nail polishes; all major producers began eliminating this chemical from nail polishes in the Fall of 2006.

Contents 1 Production 2 Obesity 3 See also 4 External links

[edit] Production

Production of DBP by direct esterification of n-butanol and phthalic anhydride

[edit] Obesity

A study on CDC data published in Environmental Health Perspectives (EHP), revealed that American men with abdominal obesity or insulin resistance (a precursor to diabetes) were more likely to have high levels of DEHP and DBP metabolites in their urine than men without those problems.^[1]

[edit] See also

• Phthalic acid
• Phthalates
• Diisobutyl phthalate (DIBP)

[edit] External links

• International Chemical Safety Card 0036
• MSDS sheet
• Dibutyl Phthalate and Cosmetics
• DBP information centre
• Hazardous substance fact sheet
• Occupational safety and health guideline for dibutyl phthalate
• Health report on DBP

v • d • e Health Issues of Plastics Plasticizers: Phthalates: DIBP · DBP  · BBP aka BBzP  · DEHP aka DOP  · DIDP  · DINP  · DIDP Other Plasticizers: Organotins  · Organophosphates  · Adipate-based (DEHA  · DOA) Hardeners: Bisphenol A (in Polycarbonates)  · Health Issues: teratogen  · carcinogen  · endocrine disruptor  · diabetes  · obesity Miscellaneous: PVC  · Plastic recycling  · Plastic bottle  · Vinyl chloride  · dioxin  · polystyrene  · Styrofoam  · California Proposition 65 (1986)  · List of environmental health hazards