Allantoin

Also known as: (2,5-dioxo-4-imidazolidinyl)urea, 5-ureidohydantoin, glyoxyldiureide, Alantan, Cordianine, Egopsoryl, Sebical, Allantol, Alphosyl, DL-Allantoin

Allantoin (CAS 97-59-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H6N4O3 and a molecular weight of 158.115 g/mol. Key properties include a melting point of 230 °C (dec.)(lit.), a boiling point of 478ºC, a density of 1.7±0.1 g/cm3 and a flash point of 230-234°C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 97-59-6
Jingsj CID: J-2774-7
Molecular Formula: C₄H₆N₄O₃
Molecular Weight: 158.115 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	230 °C (dec.)(lit.)
Boiling Point	478ºC
Density	1.7±0.1 g/cm3
Flash Point	230-234°C
Exact Mass	158.043991
PSA	113.32000
LogP	-2.89
Refractive Index	1.616

GHS Safety & Compliance

IrritantSignal word: Warning

H302 — Harmful if swallowed

Activity & Biological Data

Target	Human Endogenous Metabolite
Additional Information	[1]. Ahn YJ, et al. Effects of allantoin on cognitive function and hippocampal neurogenesis. Food Chem Toxicol. 2014 Feb;64:210-6. [2]. Amitani M, et al. Allantoin ameliorates chemically-induced pancreatic β-cell damage through activation of the imidazoline I3 receptors. PeerJ. 2015 Aug 6;3:e1105. [3]. Chen MF, et al. Antihypertensive action of allantoin in animals. Biomed Res Int. 2014;2014:690135.

Target

Human Endogenous Metabolite

Additional Information

[1]. Ahn YJ, et al. Effects of allantoin on cognitive function and hippocampal neurogenesis. Food Chem Toxicol. 2014 Feb;64:210-6. [2]. Amitani M, et al. Allantoin ameliorates chemically-induced pancreatic β-cell damage through activation of the imidazoline I3 receptors. PeerJ. 2015 Aug 6;3:e1105. [3]. Chen MF, et al. Antihypertensive action of allantoin in animals. Biomed Res Int. 2014;2014:690135.

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. 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 Allantoin?

The CAS number of Allantoin is 97-59-6.

What are the molecular formula and molecular weight of Allantoin?

Allantoin has molecular formula C4H6N4O3 and molecular weight 158.115 g/mol.

Is Allantoin hazardous?

Allantoin has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.

What are the upstream and downstream products of Allantoin?

For Allantoin, Upstream Products: Uric Acid, Urea, Glyoxylic acid; Downstream Products: Glycoluril, Hydantoic Acid, Ammonia.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Allantoin (CAS 97-59-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-2774-7 (accessed 2026-11-09).

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