5-hydroxybarbituric acid

Names

[ CAS No. ]:
444-15-5

[ Name ]:
5-hydroxybarbituric acid

[Synonym ]:
Dialuric Acid
5-Hydroxy-2,4,6(1H,3H,5H)-pyrimidinetrione

Chemical & Physical Properties

[ Density]:
1.927g/cm3

[ Boiling Point ]:
651.6ºC at 760mmHg

[ Melting Point ]:
224ºC

[ Molecular Formula ]:
C₄H₄N₂O₄

[ Molecular Weight ]:
144.08600

[ Flash Point ]:
347.9ºC

[ Exact Mass ]:
144.01700

[ PSA ]:
102.48000

[ Index of Refraction ]:
1.551

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UW5968350

CHEMICAL NAME :: 2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-hydroxy-

CAS REGISTRY NUMBER :: 444-15-5

BEILSTEIN REFERENCE NO. :: 0135130

LAST UPDATED :: 199709

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C4-H4-N2-O4

MOLECULAR WEIGHT :: 144.10

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 2 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: FATOAO Farmakologiya i Toksikologiya (Moscow). For English translation, see PHTXA6 and RPTOAN. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.2- 1939- Volume(issue)/page/year: 37,482,1974

Safety Information

[ HS Code ]:
2933540000

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2933540000

[ Summary ]:
2933540000 other derivatives of malonylurea (barbituric acid); salts thereof。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:20.0%