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Published TCIMAIL newest issue No.198
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CAS RN: 5222-73-1 | Product Number: D2099
3,4-Dimethoxy-3-cyclobutene-1,2-dione
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Purity: >98.0%(GC)
Synonyms:
- Dimethyl Squarate
- Squaric Acid Dimethyl Ester
Product Documents:
| Size | Unit Price | Belgium | Japan* |
|---|---|---|---|
| 1G |
€26.00
|
2 | 25 |
| 5G |
€87.00
|
2 | ≥40 |
| 25G |
€278.00
|
1 | 25 |
*Stock available in Belgium will be delivered in 1 to 3 days
*Stock available in Japan will be delivered in 1 to 2 weeks (excludes regulated items and dry ice shipments).
| Product Number | D2099 |
| Purity / Analysis Method | >98.0%(GC) |
| Molecular Formula / Molecular Weight | C__6H__6O__4 = 142.11 |
| Physical State (20 deg.C) | Solid |
| Storage Temperature | Room Temperature (Recommended in a cool and dark place, <15°C) |
| Store Under Inert Gas | Store under inert gas |
| Condition to Avoid | Moisture Sensitive |
| CAS RN | 5222-73-1 |
| Reaxys Registry Number | 638610 |
| PubChem Substance ID | 87568545 |
| SDBS (AIST Spectral DB) | 19960 |
| MDL Number | MFCD00101316 |
Specifications
| Appearance | White to Almost white powder to crystal |
| Purity(GC) | min. 98.0 % |
| Melting point | 55.0 to 58.0 °C |
Properties (reference)
| Melting Point | 56 °C |
GHS
| Pictogram |
|
| Signal Word | Danger |
| Hazard Statements | H315 : Causes skin irritation. H319 : Causes serious eye irritation. H317 : May cause an allergic skin reaction. H334 : May cause allergy or asthma symptoms or breathing difficulties if inhaled. |
| Precautionary Statements | P261 : Avoid breathing dust. P264 : Wash skin thoroughly after handling. P280 : Wear protective gloves/ eye protection/ face protection. P284 : Wear respiratory protection. P342 + P311 : If experiencing respiratory symptoms: Call a POISON CENTER/doctor. P304 + P340 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. |
Related Laws:
Transport Information:
| HS Number | 2914698090 |
Application
Benzoquinone Synthon
References
- H. W. Moore, S. T. Perri, J. Org. Chem. 1988, 53, 996.
- L. S. Liebeskind, S. Iyer, C. F. Jewell, Jr., ibid. 1986, 51, 3065.
- S. T. Perri, L. D. Foland, O. H. W. Decker, H. W. Moore, ibid. 1986, 51, 3067.
- S. T. Perri, H. J. Dyke, H. W. Moore, ibid. 1989, 54, 2032.
- M. W. Reed, H. W. Moore, ibid. 1988, 53, 4166.
- S. T. Perri, H. W. Moore, Tetrahedron Lett. 1987, 28, 4507.
- M. W. Reed, D. J. Pollart, S. T. Perri, L. D. Foland, H. W. Moore, J. Org. Chem. 1988, 53, 2477.
PubMed Literature
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