Dinonyl phthalate

Description

Dinonyl phthalate · CAS 84-76-4 · C26H42O4. UNII 90UCU78V8R. Boiling Point: 775 °F at 760 mmHg (USCG, 1999); Boiling Point: 413 °C; Flash Point: 420 °F (USCG, 1999).

Identification

CAS Registry Number	84-76-4
PubChem CID	6787
Molecular formula	C26H42O4
IUPAC name	dinonyl benzene-1,2-dicarboxylate
UNII (FDA)	90UCU78V8R

Computed Descriptors

Molecular Weight	418.6
XLogP3	10.1
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	20
Exact Mass	418.30830982
Monoisotopic Mass	418.30830982
Topological Polar Surface Area	52.6
Heavy Atom Count	30
Formal Charge	0

Physical & Chemical Properties

Boiling Point	775 °F at 760 mmHg (USCG, 1999)
Boiling Point	413 °C
Flash Point	420 °F (USCG, 1999)
Density	0.972 at 20 °C
Vapor Pressure	0.00000051 [mmHg]
Vapor Pressure	VP: 1 mm Hg at 205 °C
Viscosity	112 cP at 20 °C

Physical description & handling notes

• Dinonyl phthalate is an odorless colorless liquid. (USCG, 1999)
• Colorless liquid; [Hawley]
• Colorless liquid
• 420 °F; 215 °C /(method not specified)/
• Phthalate esters are soluble to various extents in many common organic solvents and oils, but have a relatively low solubility in water. /Phthalate esters/
• Insoluble in water

Regulatory Status

GHS notification summary	21.7% (5 / 23)

GHS Hazard Classification

GHS notification summary	21.7% (5 / 23)
Reported hazard statements	H302 (69.6%)

Documented Uses

• Used in plastisols and coating pastes, as a low-volatility plasticizer for vinyl resins, as a stationary liquid phase in chromatography, and to make vinyl mixes resistant to heat and detergents; [HSDB]
• Plastic Composites Manufacturing [Category: Industry]
• It is used for making vinyl mixes which have to withstand heat and resist migration and extraction by detergents; also useful in the technology of plastisols and coating pastes
• General-purpose, low-volatility plasticizer for vinyl resins; pure grade as stationary liquid phase in chromatography.
• (1972) PROBABLY GREATER THAN 4.54X10+5 G
• (1975) PROBABLY GREATER THAN 4.54X10+5 G

Synonyms

DINONYL PHTHALATE; 84-76-4; Unimoll DN; Dinonylphthalate; Bisoflex 91; Nonyl phthalate; Bisoflex DNP; 1,2-Benzenedicarboxylic acid, dinonyl ester; Di-n-nonyl phthalate; Phthalic acid, dinonyl ester; Bisolflex 91; Ditrimethylhexyl phthalate; DTXSID9047966; Dinonyl 1,2-benzenedicarboxylate; Di-n-nonylphthalate (DnNP); 90UCU78V8R

Frequently Asked Questions

What are the CAS number and molecular formula of Dinonyl phthalate?

CAS 84-76-4; molecular formula C26H42O4; molecular weight — g/mol.

What other names is Dinonyl phthalate known by?

DINONYL PHTHALATE, 84-76-4, Unimoll DN, Dinonylphthalate, Bisoflex 91, Nonyl phthalate.

Is Dinonyl phthalate classified as hazardous?

21.7% of GHS notifications report no hazard classification (5 of 23).

What are the key physical properties of Dinonyl phthalate?

Boiling Point: 775 °F at 760 mmHg (USCG, 1999); Boiling Point: 413 °C; Flash Point: 420 °F (USCG, 1999); Density: 0.972 at 20 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.