Introduction：Basic information about CAS 15804-19-0|DHQ, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | DHQ |
|---|
| CAS Number | 15804-19-0 | Molecular Weight | 162.14500 |
|---|
| Density | 1.336g/cm3 | Boiling Point | 470.9ºC at 760mmHg |
|---|
| Molecular Formula | C8H6N2O2 | Melting Point | 300ºC |
|---|
| MSDS | / | Flash Point | 238.6ºC |
|---|
Names
| Name | 2,3-Dihydroxyquinoxaline |
|---|
| Synonym | More Synonyms |
|---|
DHQ BiologicalActivity
| Description | 2,3-Dihydroxyquinoxaline is a fluorescent reagent. 2,3-Dihydroxyquinoxaline can be used for the determination of trace Pb(II) in vinegar[1]. |
|---|
| Related Catalog | Research Areas >>OthersSignaling Pathways >>Others >>Others |
|---|
| In Vitro | 2,3-Dihydroxyquinoxaline (DHQX) shows an intense fluorescence at λex/λem = 328/414 nm[1]. |
|---|
| References | [1]. Yang, et al. Synthesis of 2,3-dihydroxyquinoxaline and its application in the determination of trace lead. Huaxue Shiji. Volume: 25. Issue: 1. Pages: 20-22. Journal |
|---|
Chemical & Physical Properties
| Density | 1.336g/cm3 |
|---|
| Boiling Point | 470.9ºC at 760mmHg |
|---|
| Melting Point | 300ºC |
|---|
| Molecular Formula | C8H6N2O2 |
|---|
| Molecular Weight | 162.14500 |
|---|
| Flash Point | 238.6ºC |
|---|
| Exact Mass | 162.04300 |
|---|
| PSA | 65.72000 |
|---|
| LogP | 0.21640 |
|---|
| Vapour Pressure | 0mmHg at 25°C |
|---|
| Index of Refraction | 1.762 |
|---|
| InChIKey | ABJFBJGGLJVMAQ-UHFFFAOYSA-N |
|---|
| SMILES | O=c1[nH]c2ccccc2[nH]c1=O |
|---|
| Storage condition | 2-8°C |
|---|
Toxicological Information
CHEMICAL IDENTIFICATION - RTECS NUMBER :
- VD2100000
- CHEMICAL NAME :
- 2,3-Quinoxalinediol
- CAS REGISTRY NUMBER :
- 15804-19-0
- LAST UPDATED :
- 199701
- DATA ITEMS CITED :
- 3
- MOLECULAR FORMULA :
- C8-H6-N2-O2
- MOLECULAR WEIGHT :
- 162.16
- WISWESSER LINE NOTATION :
- T66 BN ENJ CQ DQ
HEALTH HAZARD DATAACUTE TOXICITY DATA - TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 500 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- NCNSA6 National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. (Washington, DC) Volume(issue)/page/year: 5,26,1953
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 200 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD607-952
|
Safety Information
| Hazard Codes | Xn |
|---|
| Risk Phrases | 22-37/38-41 |
|---|
| Safety Phrases | S24/25 |
|---|
| WGK Germany | 3 |
|---|
| RTECS | VD2100000 |
|---|
| HS Code | 2933990090 |
|---|
Customs
| HS Code | 2933990090 |
|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
|---|
Synonyms
| 2,3-Quinoxalinedione,1,4-dihydro- |
| 2,3-Dihydroxyphenpiazine |
| 2,3(1H,4H)-Quinoxalinedione |
| Quinoxaline-2,3(1H,4H)-dione |
| 2,3-Quinoxalinediol |
| EINECS 239-901-0 |
| MFCD00006723 |
