Skip to main content

6-Aminouracil

Also known as: 4-Amino-2,6-dihydroxypyrimidine, 4-Aminouracil, 4(6)-Aminouracil, 2,4-Dihydroxy-6-aminopyrimidine, 6-Aminopyrimidine-2,4(1H,3H)-dione, 6-Amino-2,4-pyrimidinediol, Aminouracil

6-Aminouracil (CAS 873-83-6) 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 ≥360 °C(lit.), a boiling point of 580.4±53.0 °C at 760 mmHg, a density of 1.7±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.
873-83-6
Jingsj CID
J-19194-6
Molecular Formula
C4H5N3O2
Molecular Weight
127.101 g/mol
Category
Pharma Intermediates
Last updated
11/3/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point≥360 °C(lit.)
Boiling Point580.4±53.0 °C at 760 mmHg
Density1.7±0.1 g/cm3
Flash Point304.8±30.9 °C
Exact Mass127.038177
PSA91.74000
LogP-2.33
Vapor Pressure0.0±1.7 mmHg at 25°C
Refractive Index1.746
Additional Propertyslightly soluble

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 6-Aminouracil?

The CAS number of 6-Aminouracil is 873-83-6.

What are the molecular formula and molecular weight of 6-Aminouracil?

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

Is 6-Aminouracil hazardous?

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

What are the upstream and downstream products of 6-Aminouracil?

For 6-Aminouracil, Upstream Products: Ethyl cyanoacetate, Urea, Cyanoacetylurea; Downstream Products: 6-Amino-5-nitrosouracil, 6-Amino-5-nitrouracil, 7H-Pyrrolo[2,3-d]pyrimidine-2,4-diol.

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

Last updated:

How to cite: Jingsj. "6-Aminouracil (CAS 873-83-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19194-6 (accessed 2026-11-09).

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