| Identification | More | [Name]
2-Ethyl anthraquinone | [CAS]
84-51-5 | [Synonyms]
2-Ethyl-9,10-anthracenedione
2-ETHYLANTHRAQUINONE
2-ETHYL ANTHROQUINONE
TIMTEC-BB SBB008818
10-Anthracenedione,2-ethyl-9
2-ethyl-10-anthracenedione
2-Ethyl-9,10-anthraquinone
2-Ethylanthra-9,10-quinone
2-ethyl-anthraquinon
9,10-Anthracenedione,2-ethyl-
Anthraquinone, 2-ethyl-
beta-ethylanthraquinone
Ethylanthraquinone
USAF so-1
usafso-1
Ethylanthraquinone,98%
2-ETHYLANTHRAQUINONE, 97+%
2-Ethylanthrachinon
SYNCUREEHA2-ETHYLHEXYL-4-(DIMETHYLAMINO)BENZOATE
b-Ethylanthraquinone | [EINECS(EC#)]
201-535-4 | [Molecular Formula]
C16H12O2 | [MDL Number]
MFCD00001237 | [Molecular Weight]
236.27 | [MOL File]
84-51-5.mol |
| Chemical Properties | Back Directory | [Appearance]
white or yellowish crystals or powder | [Melting point ]
108-111 °C (lit.) | [Boiling point ]
180-190°C | [bulk density]
650kg/m3 | [density ]
1.27 g/cm3 (21℃) | [vapor pressure ]
<1 hPa (25 °C) | [refractive index ]
1.6290 (estimate) | [Fp ]
>210°C | [storage temp. ]
Store below +30°C. | [solubility ]
0.00025g/l | [form ]
powder to crystal | [color ]
Light yellow to Amber to Dark green | [Stability:]
Stable. Combustible. Incompatible with strong oxidizing agents. | [Water Solubility ]
Insoluble in water. | [BRN ]
1969873 | [InChIKey]
SJEBAWHUJDUKQK-UHFFFAOYSA-N | [LogP]
4.6 | [Uses]
Synthesis, especially of hydrogen peroxide. | [CAS DataBase Reference]
84-51-5(CAS DataBase Reference) | [NIST Chemistry Reference]
9,10-Anthracenedione, 2-ethyl-(84-51-5) | [EPA Substance Registry System]
84-51-5(EPA Substance) |
| Safety Data | Back Directory | [Hazard Codes ]
Xn | [Risk Statements ]
R22:Harmful if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin . | [Safety Statements ]
S24/25:Avoid contact with skin and eyes .
S36:Wear suitable protective clothing .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice . | [RIDADR ]
UN 3077 9 / PGIII | [WGK Germany ]
1
| [RTECS ]
CB0525000
| [Autoignition Temperature]
485 °C | [TSCA ]
Yes | [HS Code ]
29146990 | [Toxicity]
LD50 orally in Rabbit: > 6400 mg/kg |
| Questions And Answer | Back Directory | [Description]
2-Ethylanthraquinone is an organic compound that is a derivative of anthraquinone. It is commonly used in the industrial production of hydrogen peroxide (H2O2) due to its high selectivity. Another major application is the production of dyes2. It can also be used as a photo-initiator of crosslinking or degradation of polyethylene3.
|
| Hazard Information | Back Directory | [Chemical Properties]
white or yellowish crystals or powder | [General Description]
This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to primary material from an NMI, e.g. NIST or NMIJ.
Certified content by quantitative NMR incl. uncertainty and expiry date are given on the certificate.
Download your certificate at: http://www.sigma-aldrich.com. | [Flammability and Explosibility]
Nonflammable | [Synthesis]
General procedure for the synthesis of 2-ethylanthraquinone from 2-(4-ethylbenzoyl)benzoic acid: (2) 2-(4-ethylbenzoyl)benzoic acid prepared as described above and concentrated sulfuric acid were sequentially passed through a piping system comprising a T-type mixer, a reactor A, a Y-type mixer, a reactor B and a separator. In this system, 2-(4-ethylbenzoyl)benzoic acid enters the T-mixer at 180° C., while concentrated sulfuric acid enters the T-mixer at 50° C. The mass-volume ratio of the two is 1 g:3 mL. The mixing temperature in the T-mixer is 50° C., and the residence time is 35 seconds. Subsequently, the mixture enters reactor A and is reacted at 120°C for 30 minutes. Next, it was passed through a Y-mixer at 40°C and finally into Reactor B where the reaction was completed at 50°C to produce 2-ethyl anthraquinone in 95.5% yield. | [References]
[1] Patent: CN108101726, 2018, A. Location in patent: Paragraph 0025; 0030; 0035; 0040; 0045; 0050; 0055; 0060
[2] Patent: CN106045838, 2016, A. Location in patent: Paragraph 0038
[3] Patent: CN107954846, 2018, A. Location in patent: Paragraph 0027-0029; 0030-0032; 0036-0041
[4] Patent: CN107879915, 2018, A. Location in patent: Paragraph 0027-0028
[5] Patent: CN106083550, 2016, A |
|
|