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N10705

Sigma-Aldrich

5-Nitrobarbituric acid hydrate

95%

Synonym(s):

5-Nitro-2,4,6-trihydroxypyrimidine, Dilituric Acid

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About This Item

Empirical Formula (Hill Notation):
C4H3N3O5 · xH2O
CAS Number:
Molecular Weight:
173.08 (anhydrous basis)
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

assay

95%

form

powder

drug control

regulated under CDSA - not available from Sigma-Aldrich Canada

mp

183 °C (dec.) (lit.)

SMILES string

O.[O-][N+](=O)C1C(=O)NC(=O)NC1=O

InChI

1S/C4H3N3O5.H2O/c8-2-1(7(11)12)3(9)6-4(10)5-2;/h1H,(H2,5,6,8,9,10);1H2

InChI key

YKGZAIJTCJOZNK-UHFFFAOYSA-N

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Application

Used as a microreagent for potassium with which it forms a characteristic precipitate.

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


Certificates of Analysis (COA)

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