邻苯二甲酸二十一烷基酯

Description

Diundecyl Phthalate · CAS 3648-20-2 · C30H50O4. UNII RQV46346WV. Melting Point: 35.5 °C; Solubility: In water, 1.11 mg/L at 20 °C; Density: 0.955 g/cu cm at 20 °C.

Identification

CAS Registry Number	3648-20-2
PubChem CID	19283
Molecular formula	C30H50O4
IUPAC name	diundecyl benzene-1,2-dicarboxylate
UNII (FDA)	RQV46346WV

Computed Descriptors

Molecular Weight	474.7
XLogP3	12.3
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	24
Exact Mass	474.37091007
Monoisotopic Mass	474.37091007
Topological Polar Surface Area	52.6
Heavy Atom Count	34
Formal Charge	0

Physical & Chemical Properties

Melting Point	35.5 °C
Solubility	In water, 1.11 mg/L at 20 °C
Density	0.955 g/cu cm at 20 °C
Viscosity	70 mPa s at 20 °C

Physical description & handling notes

• Diundecyl phthalate is an oily colorless odorless liquid. Less dense than water. (USCG, 1999)
• Liquid; Large Crystals; Liquid
• Solid; mp = 35.5 deg C; [HSDB] Colorless odorless liquid; [CAMEO] mp = -9 deg C; [eChemPortal: HPVIS] Liquid; [MSDSonline]
• Crystals from ethanol
• greater than 200 °F (NTP, 1992)
• Insoluble (<1 mg/ml at 70 °F) (NTP, 1992)

Regulatory Status

Regulatory & Food Contact	FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS
GHS notification summary	86.7% (65 / 75)

GHS Hazard Classification

GHS notification summary	86.7% (65 / 75)
Reported hazard statements	H412 (12%), H413

Documented Uses

• Used as a primary plasticizer for polyvinyl chloride in electrical wire insulation and car interiors; [HSDB]
• Diundecyl phthalate is a primary plasticizer for polyvinyl chloride (PVC) ... /and insulator/ on electrical wiring.
• ... In perfumes and cosmetics, ... vinyl swimming pools, plasticized vinyl seats (on furniture and in cars), and clothing (jackets, raincoats, boots, etc.) /Phthalates/
• ... Recommended for use in wire insulation for use at about 100 °C.
• Not Known or Reasonably Ascertainable
• REACTION OF PHTHALIC ANHYDRIDE WITH UNDECANOL

Synonyms

DIUNDECYL PHTHALATE; Santicizer 711; 1,2-Benzenedicarboxylic acid, diundecyl ester; diundecyl benzene-1,2-dicarboxylate; Di-n-undecyl phthalate; Phthalic acid, diundecyl ester; Di-711-phthalate; DTXSID7025215; HSDB 5132; UNII-RQV46346WV; CCRIS 6198; RQV46346WV; Jayflex DUP; EINECS 222-884-9; BRN 1894045; Jayflex L 11P

Frequently Asked Questions

What are the CAS number and molecular formula of Diundecyl Phthalate?

CAS 3648-20-2; molecular formula C30H50O4; molecular weight — g/mol.

What other names is Diundecyl Phthalate known by?

DIUNDECYL PHTHALATE, Santicizer 711, 1,2-Benzenedicarboxylic acid, diundecyl ester, diundecyl benzene-1,2-dicarboxylate, Di-n-undecyl phthalate, Phthalic acid, diundecyl ester.

What is the regulatory status of Diundecyl Phthalate?

Documented regulatory listings: FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS.

Is Diundecyl Phthalate classified as hazardous?

86.7% of GHS notifications report no hazard classification (65 of 75).

What are the key physical properties of Diundecyl Phthalate?

Melting Point: 35.5 °C; Solubility: In water, 1.11 mg/L at 20 °C; Density: 0.955 g/cu cm at 20 °C; Viscosity: 70 mPa s 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.