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Merck

185698

Barbituric acid

99%, powder, ReagentPlus®

동의어(들):

2,4,6-Trihydroxypyrimidine, Malonylurea

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제품정보 (DICE 배송 시 비용 별도)

실험식(Hill 표기법):
C4H4N2O3
CAS 번호:
67-52-7
Molecular Weight:
128.09
UNSPSC Code:
12352100
PubChem Substance ID:
24851157
NACRES:
NA.21
EC Number:
200-658-0
MDL number:
MFCD00006666
Beilstein/REAXYS Number:
120502
Assay:
99%
Form:
powder

주요 문서

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제품 이름

Barbituric acid, ReagentPlus®, 99%

SMILES string

[O=C1CC(=O)NC(=O)N1], O=C1CC(=O)NC(=O)N1

InChI key

[HNYOPLTXPVRDBG-UHFFFAOYSA-N], HNYOPLTXPVRDBG-UHFFFAOYSA-N

InChI

[1S/C4H4N2O3/c7-2-1-3(8)6-4(9)5-2/h1H2,(H2,5,6,7,8,9)], 1S/C4H4N2O3/c7-2-1-3(8)6-4(9)5-2/h1H2,(H2,5,6,7,8,9)

product line

ReagentPlus®

assay

99%

form

powder

mp

248-252 °C ((lit.)), 248-252 °C (dec.) (lit.)

Quality Level

200

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관련 카테고리

General description

Barbituric acid is a useful acid for organic and drug syntheses. Its dihydrate form can be synthesized from barbituric acid via crystallization from aqueous solution. Crystal structure of barbituric acid (in tautomeric form) has been investigated by a three dimensional fourier transform method. Its enol crystal form has been reported to be thermodynamically stable.

Application

Barbituric acid (BA) may be used in the preparation of the corresponding hemiaminals, via chemoselective reduction in the presence of SmI2/H2O reagent. It may be used in the preparation of BA- modified conjugated carbon nitride nanosheets.
It may be used to synthesize:
  • 5-ylidenebarbituric acid derivatives via Knoevenagel condensation with aromatic and α,β-conjugated aromatic aldehydes
  • 5-diaminomethylenebarbiturates by reacting with substituted carbodiimides

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

저장 등급

11 - Combustible Solids

wgk

WGK 1

flash_point_f

302.0 °F - closed cup

flash_point_c

150.00 °C - closed cup

ppe

Eyeshields, Gloves, type N95 (US)

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시험 성적서(COA)

Lot/Batch Number

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이 제품을 이미 가지고 계십니까?

문서 라이브러리에서 최근에 구매한 제품에 대한 문서를 찾아보세요.

문서 라이브러리 방문

Selective reduction of barbituric acids using SmI2/H2O: synthesis, reactivity, and structural analysis of tetrahedral adducts.
Michal Szostak et al.
Angewandte Chemie (International ed. in English), 52(48), 12559-12563 (2013-10-15)
A simple method for knoevenagel condensation of a, ?-conjugated and aromatic aldehydes with barbituric acid.
Jursic BS.
Journal of Heterocyclic Chemistry, 38(3), 655-657 (2001)
Photocatalytic reduction of CO2 by graphitic carbon nitride polymers derived from urea and barbituric acid.
Qin J, et al.
Applied Catalysis. B, Environmental, 179, 1-8 (2015)
The crystal structure of anhydrous barbituric acid.
Bolton W.
Acta Crystallographica, 16(3), 166-173 (1963)
Preparation of 5-diaminomethylenebarbiturates by barbituric acid addition to carbodiimides.
Jursic BS et al.
Tetrahedron, 59(19), 3427-3432 (2003)
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