Diclofenac diethylammonium salt

Modify Date: 2026-06-30 15:25:47

Diclofenac diethylammonium salt Structure
Diclofenac diethylammonium salt structure
Common Name Diclofenac diethylammonium salt
CAS Number 78213-16-8 Molecular Weight 369.285
Density N/A Boiling Point 412ºC at 760 mmHg
Molecular Formula C18H22Cl2N2O2 Melting Point 145-148ºC
MSDS N/A Flash Point 203ºC

 Use of Diclofenac diethylammonium salt


Diclofenac diethylamine is a potent and nonselective anti-inflammatory agent, acts as a COX inhibitor, with IC50s of 4 nM, 1.3 nM for human COX-1 and COX-2 in CHO cells, and 5.1, 0.84 μM for ovine COX-1 and COX-2, respectively.

Summary: Diclofenac diethylamine (CAS: 78213-16-8), molecular formula: C18H22Cl2N2O2, molecular weight: 369.285. White to light yellow powder or crystalline solid, melting point 145-148℃. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name Diclofenac diethylamine
Synonym More Synonyms

 Diclofenac diethylammonium salt Biological Activity

This table contains bioactivity, target information and biological‑assay experimental data of this compound.

Description Diclofenac diethylamine is a potent and nonselective anti-inflammatory agent, acts as a COX inhibitor, with IC50s of 4 nM, 1.3 nM for human COX-1 and COX-2 in CHO cells, and 5.1, 0.84 μM for ovine COX-1 and COX-2, respectively.
Related Catalog
Target

Human COX-2:1.3 nM (IC50, in CHO cells)

Human COX-1:4 nM (IC50, in CHO cells)

Ovine COX-2:0.84 μM (IC50)

Ovine COX-1:5.1 μM (IC50)

In Vitro Diclofenac diethylamine is a potent COX inhibitor, with IC50s of 4 nM and 1.3 nM for human COX-1 and COX-2 in the CHO cells, respectively. Diclofenac effectively blocks COX-1 mediated prostanoid production from U937 cell microsomes, with an IC50 of 7 ± 3 nM[1]. Diclofenac sodium exihibits inhibition on COX-1 and COX-2 enzyme with IC50s of 5.1 and 0.84 μM, respectively[2].
In Vivo Diclofenac (3 mg/kg, b.i.d., for 5 days) significantly increases faecal 51Cr excretion in rats, and such effect is also observed in squirrel monkeys after administrated of 1 mg/kg twice daily for 4 days[1]. Diclofenac (10 mg/kg) shows anti-inflammatory activity in mice[2]. Diclofenac (10 mg/kg) decreases oxidized low-densitylipoprotein (Ox-LDL), but shows no effects on the kinetics parameters of catalase and glutathione peroxidase via intramuscularly injection into rats[3].
Animal Admin Rats[1] Male Sprague-Dawley rats (150 ± 200 g) are dosed orally with Diclofenac either once (acute dosing) or twice daily for 5 days (chronic dosing). A plasma sample is obtained 1 h after the morning dose on day 4 for measurement of Diclofenac concentration. Immediately after the administration of the last dose on day 5, the rats are injected via a tail vein with 0.5 mL of 51Cr-labelled red blood cells from a donor rat after incubation with sodium 51chromate. The rats are placed individually in metabolism cages with food and water ad libitum. Faeces are collected for a 48 h period and 51Cr faecal excretion is calculated as a % of total injected dose (20 mCi per animal)[1]. Squirrel monkeys[1] Squirrel monkeys (Saimiri sciureus; 0.8 ± 1.4 kg) are dosed orally with Diclofenac twice daily for 1 ± 5 days. One hour after administration of the last dose, 51CrCl3 in sterile saline (1 mL/kg, 4 ± 5 mCi per animal) is injected via a saphenous vein and plasma samples are obtained for measurement of Diclofenac concentration. The monkeys are then housed individually in metabolism cages. Faeces are collected for a 24 h period and 51Cr faecal excretion is calculated as a % of total injected dose[1].
References

[1]. Riendeau D, et al. Biochemical and pharmacological profile of a tetrasubstituted furanone as a highly selective COX-2 inhibitor. Br J Pharmacol. 1997 May;121(1):105-17.

[2]. Labib MB, et al. Design, synthesis of novel isoindoline hybrids as COX-2 inhibitors: Anti-inflammatory, analgesic activities and docking study. Bioorg Chem. 2018 Oct;80:70-80.

[3]. Curcelli EC, et al. Beneficial effects of diclofenac therapy on serum lipids, oxidized low-density lipoprotein and antioxidant defenses in rats. Life Sci. 2008 Apr 9;82(15-16):892-8.

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Boiling Point 412ºC at 760 mmHg
Melting Point 145-148ºC
Molecular Formula C18H22Cl2N2O2
Molecular Weight 369.285
Flash Point 203ºC
Exact Mass 368.105835
PSA 61.36000
LogP 5.44380
InChIKey ZQVZPANTCLRASL-UHFFFAOYSA-N
SMILES CCNCC.O=C(O)Cc1ccccc1Nc1c(Cl)cccc1Cl

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

HS Code 2942000000

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2942000000

 Diclofenac diethylammonium saltBioassay

View more

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: Discovery of Small Molecules to Inhibit Human Cytomegalovirus Nuclear Egress
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: HCMV UL50
External Id: HMS1262
Name: MELAS cybrid survival enhancement under low glucose conditions
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: N/A
External Id: HMS1419
Name: Stabilization of p53 in human papillomavirus-positive cells
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: Cellular tumor antigen p53
External Id: HMS1485
Total 3, Current Page 1 of 1
1

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

N-ethylethanaminium {2-[(2,6-dichlorophenyl)amino]phenyl}acetate
Diclofenac diethylamine
n-ethylethanamine 2-[(2,6-dichlorophenyl)amino]benzeneacetate
UNII-6TGQ35Z71K
2-[(2,6-dichlorophenyl)amino]-benzeneacetic acid compd. with n-ethylethanamine (1:1)
2-[(2,6-dichlorophenyl)amino]-benzeneacetic acid compd. with n-ethylethanamine
Diclofenac (diethylamine)
MFCD01862249
Voltarol
{2-[(2,6-Dichlorophenyl)amino]phenyl}acetic acid - N-ethylethanamine (1:1)
Benzeneacetic acid, 2-[(2,6-dichlorophenyl)amino]-, compd. with N-ethylethanamine (1:1)
2-[2-(2,6-dichloroanilino)phenyl]acetic acid
Diclofenac diethylammonium salt

 Diclofenac diethylammonium salt | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the SMILES notation of Diclofenac diethylamine?
A: SMILES notation of Diclofenac diethylamine is CCNCC.O=C(O)Cc1ccccc1Nc1c(Cl)cccc1Cl.
Q: What is the polar surface area (PSA) of Diclofenac diethylamine?
A: Polar surface area (PSA) of Diclofenac diethylamine is 61.36000.
Q: What is the melting point of Diclofenac diethylamine?
A: Melting point of Diclofenac diethylamine is 145-148ºC.
Q: What are the uses of Diclofenac diethylamine?
A: Main uses of Diclofenac diethylamine: Diclofenac diethylamine is a potent and nonselective anti-inflammatory agent, acts as a COX inhibitor, with IC50s of 4 nM, 1.3 nM for human COX-1 and COX-2 in CHO cells, and 5.1, 0.84 μM for ovine COX-1 and COX-2, respectively.
Q: What is the molecular weight of Diclofenac diethylamine?
A: Molecular weight of Diclofenac diethylamine is 369.285.
Q: What is the LogP of Diclofenac diethylamine?
A: LogP of Diclofenac diethylamine is 5.44380.
Q: What is the molecular formula of Diclofenac diethylamine?
A: Molecular formula of Diclofenac diethylamine is C18H22Cl2N2O2.
Q: What is the CAS number of Diclofenac diethylamine?
A: CAS number of Diclofenac diethylamine is 78213-16-8.
Q: What is the InChIKey of Diclofenac diethylamine?
A: InChIKey of Diclofenac diethylamine is ZQVZPANTCLRASL-UHFFFAOYSA-N.
Q: What is the English name of Diclofenac diethylamine?
A: The English name of Diclofenac diethylamine is Diclofenac diethylamine.

 Diclofenac diethylammonium saltfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
Henan Tianfu Chemical Co., Ltd.
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