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1-Isopropenyl-2-benzimidazolidinone

Also known as: 1-(Prop-1-en-2-yl)-1H-benzo[d]imidazol-2(3H)-one, 1,3-dihydro-1-(1-methylethenyl)-2H-benzimidazole-2-one, 2H-Benzimidazol-2-one,1,3-dihydro-1-(1-methylethenyl)-, 1-isopropenyl-1,3-dihydro-2H-benzimidazol-2-one, 1-isopropenyl-2-benzimidazolone, N-Isopropenyl-2-benzimidazolone, Flibanserin Impurity 10, MFCD00218253, EINECS 257-661-5

1-Isopropenyl-2-benzimidazolidinone (CAS 52099-72-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H10N2O and a molecular weight of 174.199 g/mol. Key properties include a melting point of 120-124 °C and a density of 1.2±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
52099-72-6
Jingsj CID
J-45325-8
Molecular Formula
C10H10N2O
Molecular Weight
174.199 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Melting Point120-124 °C
Density1.2±0.1 g/cm3
Exact Mass174.079315
PSA37.79000
LogP2.01
Refractive Index1.587

Customs & Trade Information

HS Code2933990090
Summary2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 1-Isopropenyl-2-benzimidazolidinone?

The CAS number of 1-Isopropenyl-2-benzimidazolidinone is 52099-72-6.

What are the molecular formula and molecular weight of 1-Isopropenyl-2-benzimidazolidinone?

1-Isopropenyl-2-benzimidazolidinone has molecular formula C10H10N2O and molecular weight 174.199 g/mol.

What are the upstream and downstream products of 1-Isopropenyl-2-benzimidazolidinone?

For 1-Isopropenyl-2-benzimidazolidinone, Upstream Products: Ethyl acetoacetate, o-Phenylenediamine, Methyl acetoacetate; Downstream Products: Oxatomide, 1-(3-Chloropropyl)-1,3-dihydro-2H-benzimidazol-2-one, 1-(2-Propenyl)-2-benzimidazolidinone.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1-Isopropenyl-2-benzimidazolidinone (CAS 52099-72-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45325-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.