diheptyl phthalate

Description

diheptyl phthalate · CAS 3648-21-3 · C22H34O4. UNII IE05VO8P8P. Boiling Point: 360 °C; Flash Point: 224 °C c.c.; Solubility: 0.01% in water.

Identification

CAS Registry Number	3648-21-3
PubChem CID	19284
Molecular formula	C22H34O4
IUPAC name	diheptyl benzene-1,2-dicarboxylate
UNII (FDA)	IE05VO8P8P

Computed Descriptors

Molecular Weight	362.5
XLogP3	8
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	16
Exact Mass	362.24570956
Monoisotopic Mass	362.24570956
Topological Polar Surface Area	52.6
Heavy Atom Count	26
Formal Charge	0

Physical & Chemical Properties

Boiling Point	360 °C
Flash Point	224 °C c.c.
Solubility	0.01% in water
Vapor Pressure	0.00000207 [mmHg]

Physical description & handling notes

• Diheptyl phthalate appears as odorless white liquid. May float or sink in water. (USCG, 1999)
• Colorless odorless liquid; [ICSC] White odorless liquid; [CAMEO] Colorless liquid; [MSDSonline]
• ODOURLESS COLOURLESS LIQUID.
• Colorless liquid
• Practically odorless
• Phthalate esters are soluble to various extents in many common organic solvents and oils, but have a relatively low solubility in water. /Phthalate esters/

GHS Hazard Classification

Reported hazard statements	H315 (90.7%), H319 (90.7%), H335 (90.7%), H361 (100%), H411

Documented Uses

• Used as a plasticizer for vinyl resins; [HSDB]
• USED PARTICULARLY AS A PLASTICIZER FOR VINYL RESINS.
• (1972) PROBABLY GREATER THAN 4.54X10+5 G
• (1975) PROBABLY GREATER THAN 4.54X10+5 G
• The 1977 TSCA inventory listed 1 company which manufactured diheptyl phthalate, with a production volume of 1,000 pounds. More current production volume information could not be found. (SRC).
• 1,2-Benzenedicarboxylic acid, 1,2-diheptyl ester: ACTIVE

Synonyms

DIHEPTYL PHTHALATE; 3648-21-3; Di-n-heptyl phthalate; Heptyl phthalate; diheptyl benzene-1,2-dicarboxylate; 1,2-Benzenedicarboxylic acid, diheptyl ester; Di-n-Heptylphthalate; Phthalic acid, diheptyl ester; Diheptyl ester of phthalic acid; DTXSID8040779; CHEBI:34677; Diheptyl 1,2-benzenedicarboxylate; IE05VO8P8P; DTXCID608662; RefChem:133656; 222-885-4

Frequently Asked Questions

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

CAS 3648-21-3; molecular formula C22H34O4; molecular weight — g/mol.

What other names is diheptyl phthalate known by?

DIHEPTYL PHTHALATE, 3648-21-3, Di-n-heptyl phthalate, Heptyl phthalate, diheptyl benzene-1,2-dicarboxylate, 1,2-Benzenedicarboxylic acid, diheptyl ester.

Is diheptyl phthalate classified as hazardous?

Hazard statements reported: H315, H319, H335, H361, H411.

What are the key physical properties of diheptyl phthalate?

Boiling Point: 360 °C; Flash Point: 224 °C c.c.; Solubility: 0.01% in water; Vapor Pressure: 0.00000207 [mmHg].

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.