p-Toluquinone
- CAS No.
- 553-97-9
- Chemical Name:
- p-Toluquinone
- Synonyms
- 2-methylnaphthalene-1,4-dione;TOLUQUINONE;METHYL-P-BENZOQUINONE;2-Methylcyclohexa-2,5-diene-1,4-dione;2-Methylbenzoquinone;methylquinone;2-METHYL-1,4-BENZOQUINONE;Tolylquinone;P-TOLUQUINONE;1,4-Toluchinon
- CBNumber:
- CB1332618
- Molecular Formula:
- C7H6O2
- Molecular Weight:
- 122.12
- MDL Number:
- MFCD00001603
- MOL File:
- 553-97-9.mol
- MSDS File:
- SDS
| Melting point | 66-67 °C(lit.) |
|---|---|
| Boiling point | 187.52°C (rough estimate) |
| Density | 1.0800 |
| refractive index | 1.5286 (estimate) |
| storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
| form | Crystalline |
| color | Yellowish green |
| Water Solubility | insoluble |
| BRN | 471387 |
| Henry's Law Constant | 3.1×100 mol/(m3Pa) at 25℃, Wang et al. (2017) |
| InChI | 1S/C7H6O2/c1-5-4-6(8)2-3-7(5)9/h2-4H,1H3 |
| InChIKey | VTWDKFNVVLAELH-UHFFFAOYSA-N |
| SMILES | CC1=CC(=O)C=CC1=O |
| CAS DataBase Reference | 553-97-9(CAS DataBase Reference) |
| FDA UNII | VF06HB6AZN |
| NIST Chemistry Reference | p-Benzoquinone, 2-methyl-(553-97-9) |
| EPA Substance Registry System | 2-Methyl-p-benzoquinone (553-97-9) |
| UNSPSC Code | 12162002 |
| NACRES | NA.24 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H302-H315-H319-H335 | |||||||||
| Precautionary statements | P261-P264-P270-P301+P312-P302+P352-P305+P351+P338 | |||||||||
| target organs | Respiratory system | |||||||||
| PPE | dust mask type N95 (US), Eyeshields, Faceshields, Gloves | |||||||||
| Hazard Codes | Xn,T | |||||||||
| Risk Statements | 22-36/37/38-25 | |||||||||
| Safety Statements | 26-45-37/39-28A | |||||||||
| WGK Germany | 3 | |||||||||
| RTECS | DK6300000 | |||||||||
| F | 8 | |||||||||
| TSCA | TSCA listed | |||||||||
| HS Code | 29146990 | |||||||||
| Storage Class | 11 - Combustible Solids | |||||||||
| Hazard Classifications | Acute Tox. 4 Oral Eye Irrit. 2 Skin Irrit. 2 STOT SE 3 |
|||||||||
| Hazardous Substances Data | 553-97-9(Hazardous Substances Data) | |||||||||
| NFPA 704 |
|
p-Toluquinone price More Price(41)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 211311 | Methyl-p-benzoquinone 98% | 553-97-9 | 100g | $207 | 2026-04-30 | Buy |
| Sigma-Aldrich | 211311 | Methyl-p-benzoquinone 98% | 553-97-9 | 5g | $55.9 | 2023-06-20 | Buy |
| TCI Chemical | T1244 | p-Toluquinone min. 98.0 % | 553-97-9 | 100G | $215 | 2026-04-30 | Buy |
| TCI Chemical | M0159 | p-Toluquinone >99.0%(GC)(T) | 553-97-9 | 5g | $66 | 2026-04-30 | Buy |
| TCI Chemical | M0159 | p-Toluquinone >99.0%(GC)(T) | 553-97-9 | 25g | $318 | 2026-04-30 | Buy |
p-Toluquinone Chemical Properties, Uses, Production
Chemical Properties
yellow to brownish crystalline powder
Uses
Methyl-p-benzoquinone imine is the products were the tetrahedral adducts. Synthesis of 2H-indazole-4,7-dione derivatives from3-phenylsydnone and p-toluquinone. A Michael addition of 2-methylcyclopentane-1,3-dione to various p-toluquinone imides exclusively afforded the sole products in a regiospecific manner.
Uses
Methyl-p-benzoquinone (MBQ) can be used as a coating that forms an interface between the electrode and lithium (Li) electrolyte for the fabrication of redox flow batteries. It can be reduced during positive electrospray ionization mass spectroscopy (ESI MS) and can be potentially used during corona discharge.
Synthesis Reference(s)
The Journal of Organic Chemistry, 52, p. 5053, 1987 DOI: 10.1021/jo00231a048
Synthetic Communications, 7, p. 467, 1977 DOI: 10.1080/00397917708050782
Safety Profile
Poison by ingestion. When heated to decomposition it emits acrid smoke and irritating fumes.
Purification Methods
Crystallise p-toluoquinone from heptane or EtOH, dry rapidly (vacuum/P2O5) and stored in a vacuum. [Beilstein 7 IV 2088.]
p-Toluquinone Preparation Products And Raw materials
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Meryer (Shanghai) Chemical Technology Co., Ltd. | 4006356688 18621169109 | market03@meryer.com | China | 40202 | 62 |
| 3B Pharmachem (Wuhan) International Co.,Ltd. | 18930552037 | 3bsc@sina.com | China | 15813 | 69 |
| Alfa Aesar | 400-6106006 | saleschina@alfa-asia.com | China | 30103 | 84 |
| TCI (Shanghai) Development Co., Ltd. | 021-67121386 | Sales-CN@TCIchemicals.com | China | 24512 | 81 |
| Shijiazhuang Sdyano Fine Chemical Co., Ltd. | 0311-89250318 13582355795 | master@sjzsdyn.com | China | 2776 | 65 |
| Capot Chemical Co., Ltd | +86 (0) 571 85 58 67 18 | China | 18187 | 66 | |
| Pure Chemistry Scientific Inc. | 001-857-928-2050 or 1-888-588-9418 | sales@chemreagents.com | United States | 10174 | 62 |
| Adamas Reagent, Ltd. | 400-6009262 15618770481 | yhx@titansci.com | China | 14098 | 59 |
| Syntechem Co.,Ltd | info@syntechem.com | China | 12973 | 57 |
View Latest Price from p-Toluquinone manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2021-08-12 | p-Toluquinone
553-97-9
|
$10.00-15.00 | 1KG | 99%+ HPLC | Zhuozhou Wenxi import and Export Co., Ltd | ||
 |
2019-07-06 | p-Toluquinone
553-97-9
|
$11.00 | 1KG | 99% | 1000KG | Career Henan Chemical Co |
-
- p-Toluquinone
553-97-9
- $10.00-15.00
- 99%+ HPLC
- Zhuozhou Wenxi import and Export Co., Ltd
-
- p-Toluquinone
553-97-9
- $11.00
- 99%
- Career Henan Chemical Co
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