2,3-Dihydroxyquinoxaline

HCID 27491
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Basic information

CAS
15804-19-0
Standard SMILES
O=c1[nH]c2ccccc2[nH]c1=O
InChIKey
ABJFBJGGLJVMAQ-UHFFFAOYSA-N
Molecular formula
C8H6N2O2
Average molar mass
162.15 g/mol
Monoisotopic mass
162.04292743

Overview

fluorescent oxalic acid deriv.

Names & identifiers

Preferred name
2,3-Dihydroxyquinoxaline
IUPAC
1,4-dihydroquinoxaline-2,3-dione
English name
2,3-Dihydroxyquinoxaline
Molecular formula
C8H6N2O2
Molecular weight
162.15

Names & synonyms

2,3-Dihydroxyquinoxaline15804-19-02,3-Quinoxalinedione, 1,4-dihydro-APO55IZ9E1NSC-8698DTXSID9065946RefChem:442424DTXCID0035081239-901-0Quinoxaline-2,3(1H,4H)-dioneQuinoxaline-2,3-diol2,3-QUINOXALINEDIOL
Show more names
usafek-6232DHQ, 10 mM in DMSOTIMTEC-BB SBB000138Dihydroxy quinoxaline2,3-dihydroquinoxaline2,3-dihydroxy-quinoxalin
1,4-Dihydro-2,3-quinoxalinedione1,4-dihydroquinoxaline-2,3-dione2,3(1H,4H)-Quinoxalinedione6287-20-3USAF EK-62321,2,3,4-tetrahydroquinoxaline-2,3-dioneQuinoxaline, 2,3-dihydroxy-2,3-Dihydroxyphenpiazine

Database identifiers

CAS
15804-19-0
PubChem CID
27491
DTXSID
DTXSID9065946
ChEMBL
CHEMBL282672
UNII
APO55IZ9E1
EC Number
239-901-0
Nikkaji
J48.373G

Properties

Computed structural properties

XLogP
0.2
Topological polar surface area
58.2 Ų
Hydrogen bond donors
2
Hydrogen bond acceptors
2
Rotatable bonds
0
Heavy atoms
12

Experimental & physicochemical properties

Chemical ClassesNitrogen Compounds -> Other Nitrogen Rings
SpringerMaterials PropertiesChemical shift
LogP0.2
Solubility>24.3 [ug/mL] (The mean of the results at pH 7.4)
Vapor Pressure0.00000005 [mmHg]
Physical DescriptionWhite or light brown powder; [Alfa Aesar MSDS]

Physicochemical properties

Melting point
300 °C · >300 °C (lit.)
Boiling point
288.82 °C · 288.82°C (rough estimate)
Density
1.3264 · 1.3264 (rough estimate)
refractive index
1.577 · 1.5770 (estimate)
storage temp.
Inert atmosphere,Room Temperature
pka
10.66 · 10.66±0.20(Predicted)

Safety & regulation

GHS classification

GHS Classification · 4 items

Danger

H302 (95.1%): Harmful if swallowed [Warning Acute toxicity, oral]

P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P354+P338, P317, P319, P321, P330, P332+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 41 reports by companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Hazards SummaryMay cause irritation; [Alfa Aesar MSDS]
Hazard Classes and CategoriesAcute Tox. 4 (95.1%)

Safety data

wgk
3
tsca
TSCA listed
rtecs
VD2100000
hs_code
29339900
risk_code
22-37/38-41
Signal word
Danger

Chemistry & industry

Uses & manufacturing

General Manufacturing Information2,3-Quinoxalinedione, 1,4-dihydro-: ACTIVE
Applications · 2 items

Uses2,3-Dihydroxyquinoxaline is a fluorescent reagent and it can be used for the determination of trace Pb(II) in vinegar.

General Description2,3-Dihydroxyquinoxaline(dhq) undergoes electrophilic substitution reaction with sulphuric acid solution and potassium nitrate to form 2,3-dihydroxy-6-nitroquinoxaline. It reacts with Ru3(CO)12 in DMSO to give the Ru(CO)2(dhq)(DMSO) complex.

Upstream & downstream products

Suppliers100 total

国药集团化学试剂有限公司86-21-63210123 · [email protected]
梯希爱(上海)化成工业发展有限公司021-67121386 · [email protected]
上海阿拉丁生化科技股份有限公司400-6206333 13167063860 · [email protected]
上海麦克林生化科技股份有限公司021-50706066 15221275939 · [email protected]
武汉欣扬瑞和化学科技有限公司13720274133 · [email protected]

Related reactions

21 records
New reaction record

Compound notes

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