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5-Aminouracil

Also known as: 5-Amino-2,4(1H,3H)-pyrimidinedione, 5-Amino-2,4-pyrimidinediol, 2,4-Dihydroxy-5-aminopyrimidine, 5-Amino-2,4-dihydroxypyrimidine, 5-aminopyrimidine-2,4(1H,3H)-dione, 5-amino-1H-pyrimidine-2,4-dione, 5-aminouracyl, MFCD00006025, EINECS 213-252-3, Uracil, 5-amino-

5-Aminouracil (CAS 932-52-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H5N3O2 and a molecular weight of 127.101 g/mol. Key properties include a melting point of >300 °C(lit.), a boiling point of 580.4±53.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 304.8±30.9 °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 Nov 3, 2026.

CAS No.
932-52-5
Jingsj CID
J-32559-7
Molecular Formula
C4H5N3O2
Molecular Weight
127.101 g/mol
Category
Pharma Intermediates
Last updated
11/3/2026

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Physicochemical Properties

Melting Point>300 °C(lit.)
Boiling Point580.4±53.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point304.8±30.9 °C
Exact Mass127.038177
PSA91.74000
LogP-1.38
Vapor Pressure0.0±1.7 mmHg at 25°C
Refractive Index1.545
Additional Property0.5 g/L (20 ºC)

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed

Customs & Trade Information

HS Code2933599090
Summary2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. 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 5-Aminouracil?

The CAS number of 5-Aminouracil is 932-52-5.

What are the molecular formula and molecular weight of 5-Aminouracil?

5-Aminouracil has molecular formula C4H5N3O2 and molecular weight 127.101 g/mol.

Is 5-Aminouracil hazardous?

5-Aminouracil has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.

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

Last updated:

How to cite: Jingsj. "5-Aminouracil (CAS 932-52-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32559-7 (accessed 2026-11-09).

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