Make sure to sign up for an account today for exclusive coupons and free shipping on orders over $75!
Maximum quantity allowed is 999
Please select the quantity
CAS RN: 5222-73-1 | Product Number: D2099
3,4-Dimethoxy-3-cyclobutene-1,2-dione
×
![]()
×
Purity: >98.0%(GC)
Synonyms:
- Dimethyl Squarate
- Squaric Acid Dimethyl Ester
Product Documents:
| Size | Unit Price | Philadelphia, PA | Portland, OR | Japan* | Quantity |
|---|---|---|---|---|---|
| 1G |
$44.00
|
1 | 1 | 25 |
|
| 5G |
$134.00
|
2 | 1 | ≥40 |
|
| 25G |
$459.00
|
1 | 1 | 26 |
|
* Items in stock locally ship in 1-2 business days. Items from Japan stock are able to ship from a US warehouse within 2 weeks. Please contact TCI for lead times on items not in stock. Excludes regulated items and items that ship on ice.
* To send your quote request for bulk quantities, please click on the "Request Quote" button. Please note that we cannot offer bulk quantities for some products.
*TCI frequently reviews storage conditions to optimize them. Please note that the latest information on the storage temperature for the products is described on our website.
| 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 |
| Packaging and Container | 1G-Glass Bottle with Plastic Insert (View image) |
| 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 | P501 : Dispose of contents/ container to an approved waste disposal plant. P261 : Avoid breathing dust/ fume/ gas/ mist/ vapors/ spray. P285 : In case of inadequate ventilation wear respiratory protection. P264 : Wash skin thoroughly after handling. P280 : Wear protective gloves/ eye protection/ face protection. P272 : Contaminated work clothing must not be allowed out of the workplace. P342 + P311 : If experiencing respiratory symptoms: Call a POISON CENTER/doctor. P337 + P313 : If eye irritation persists: Get medical advice/ attention. P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P304 + P341 : IF INHALED: If breathing is difficult, remove person to fresh air and keep comfortable for breathing. P302 + P352 : IF ON SKIN: Wash with plenty of soap and water. P333 + P313 : If skin irritation or rash occurs: Get medical advice/ attention. P362 : Take off contaminated clothing and wash before reuse. |
Related Laws:
Transport Information:
| HS Number | 2914.50.5000 |
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
Product Documents (Note: Some products will not have analytical charts available.)
Safety Data Sheet (SDS)
Please select Language.
The requested SDS is not available.
Please Contact Us for more information.
Specifications
C of A & Other Certificates
Please enter Lot Number
Incorrect Lot Number. Please input only the 4-5 alphanumeric characters before the hyphen.
Sample C of A
This is a sample C of A and may not represent a recently manufactured lot of the product.
A sample C of A for this product is not available at this time.
Analytical Charts
Please enter Lot Number
Incorrect Lot Number. Please input only the 4-5 alphanumeric characters before the hyphen.
The requested analytical chart is not available. Sorry for the inconvenience.