DHQ
Modify Date: 2024-01-08 16:36:33
DHQ structure
|
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 | N/A | Flash Point | 238.6ºC | |
Use of DHQ2,3-Dihydroxyquinoxaline is a fluorescent reagent. 2,3-Dihydroxyquinoxaline can be used for the determination of trace Pb(II) in vinegar[1]. |
| Name | 2,3-Dihydroxyquinoxaline |
|---|---|
| Synonym | More Synonyms |
| 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 | |
| In Vitro | 2,3-Dihydroxyquinoxaline (DHQX) shows an intense fluorescence at λex/λem = 328/414 nm[1]. |
| References |
| 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 |
| Storage condition | 2-8°C |
CHEMICAL IDENTIFICATION
HEALTH HAZARD DATAACUTE TOXICITY DATA
|
| Hazard Codes | Xn |
|---|---|
| Risk Phrases | 22-37/38-41 |
| Safety Phrases | S24/25 |
| WGK Germany | 3 |
| RTECS | VD2100000 |
| HS Code | 2933990090 |
| Precursor 9 | |
|---|---|
| DownStream 10 | |
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CAS#:34972-19-5| 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% |
| 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 |
- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: DHQ
- Price: Click To Check
- Purity: 98.0%
- Delivery: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: DHQ
- Price: ￥548.0/25g ￥1788.0/100g
- Purity: 98.0%
- Delivery: 2 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- DC Chemicals Limited
- China
- Product Name: DHQ
- Price: $Inquiry/100mg $Inquiry/250mg $Inquiry/500mg
- Purity: 98.0%
- Delivery: 3 Day
- Contact: Tony Cao
- Email: sales@dcchemicals.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: Quinoxaline-2,3-diol
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Delivery: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
- Henan Tianfu Chemical Co., Ltd.
- China
- Product Name: 15804-19-0 2,3-DIHYDROXYQUINOXALINE
- Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
- Purity: 99.0%
- Delivery: Inquiry
- Contact: Anson
- Email: info@tianfuchem.com
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