diheptyl phthalate (CAS 3648-21-3) — formula C22H34O4, molecular weight 362.5; category organic chemicals.
diheptyl phthalate (CAS 3648-21-3) is a chemical raw material in the organic chemicals category. Its molecular formula C22H34O4 comprises 22 C, 34 H, 4 O atoms. Its molecular weight is about 362.5. Reported physicochemical data: boiling point around 360 °C, LogP about 8. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 3648-21-3 |
|---|---|
| Molecular Formula | C22H34O4 |
| Molecular Weight | 362.5 |
| Boiling Point | 360 °C |
| LogP | 8 |
| Applications | plasticizer for vinyl resins, USED PARTICULARLY AS A PLASTICIZER FOR VINYL RESINS, Methods of Manufacturing: The first step, alcoholysis of phthalic anhydride (PA) to give the monoester, is rapid and goes to completion. The reaction generally starts at elevated temperatures and proceeds exothermically. The second step is the conversion of the monoester to a diester with the formation of water. This is a reversible reaction and proceeds more slowly than the first, thus determining the overall rate of reaction. To shift the equilibrium towards the diester |
| Category | Organic Chemicals |
Documented applications: plasticizer for vinyl resins, USED PARTICULARLY AS A PLASTICIZER FOR VINYL RESINS, Methods of Manufacturing: The first step, alcoholysis of phthalic anhydride (PA) to give the monoester, is rapid and goes to completion. The reaction generally starts at elevated temperatures and proceeds exothermically. The second step is the conversion of the monoester to a diester with the formation of water. This is a reversible reaction and proceeds more slowly than the first, thus determining the overall rate of reaction. To shift the equilibrium towards the diester.
diheptyl phthalate is a carbon-based organic compound with CAS registry number 3648-21-3 and molecular formula C22H34O4 (molecular weight 362.5), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 3648-21-3
Its molecular formula C22H34O4 comprises 22 C, 34 H, 4 O atoms.
Also known as: diheptyl phthalate · 邻苯二甲酸二庚酯
Category: organic chemicals
The CAS registry number of diheptyl phthalate is 3648-21-3.
Molecular formula C22H34O4, molecular weight 362.5.
It is also registered under: diheptyl phthalate, 邻苯二甲酸二庚酯.
Recorded applications: plasticizer for vinyl resins, USED PARTICULARLY AS A PLASTICIZER FOR VINYL RESINS, Methods of Manufacturing: The first step, alcoholysis of phthalic anhydride (PA) to give the monoester, is rapid and goes to completion. The reaction generally starts at elevated temperatures and proceeds exothermically. The second step is the conversion of the monoester to a diester with the formation of water. This is a reversible reaction and proceeds more slowly than the first, thus determining the overall rate of reaction. To shift the equilibrium towards the diester.
Category: Organic Chemicals.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for diheptyl phthalate (CAS 3648-21-3), compiled from public chemistry databases.
| CAS Registry Number | 3648-21-3 |
|---|---|
| PubChem CID | 19284 |
| Molecular formula | C22H34O4 |
| IUPAC name | diheptyl benzene-1,2-dicarboxylate |
| UNII (FDA) | IE05VO8P8P |
| 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 |
| Boiling Point | 360 °C |
|---|---|
| Flash Point | 224 °C c.c. |
| Solubility | 0.01% in water |
| Vapor Pressure | 0.00000207 [mmHg] |
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
| Reported hazard statements | H315 (90.7%), H319 (90.7%), H335 (90.7%), H361 (100%), H411 |
|---|
H315 (90.7%): Causes skin irritation [Warning Skin corrosion/irritation]
H319 (90.7%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
diheptyl phthalate · CAS 3648-21-3 · C22H34O4. UNII IE05VO8P8P. Boiling Point: 360 °C; Flash Point: 224 °C c.c.; Solubility: 0.01% in water.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 邻苯二甲酸二庚酯