Wuhan Han Sheng New Material Technology Co.，Ltd(expird)
Free supplier
- Free
supplier - 3rd
years
Free supplier
Business Type:Trading Company
Product Certification&
Enterprise Certification
Country: 
China (Mainland)
Business Type:Trading Company
CAS NO.2892-51-5
| Product Name: | Squaric acid |
| CAS: | 2892-51-5 |
| MF: | C4H2O4 |
| MW: | 114.06 |
| EINECS: | 220-761-4 |
| Melting point | >300 °C(lit.) |
| Boiling point | 250.96°C |
| density | 1.82 g/cm3 |
| refractive index | 1.5800 (estimate) |
| Fp | 190 °C |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | 20g/l |
| pka | 1.5(at 25℃) |
| form | Crystalline Powder |
| color | White to beige |
| PH | 1 (1g/l, H2O, 20℃) |
| Water Solubility | 20 g/L (30 ºC) |
| Merck | 14,8769 |
| BRN | 774275 |
| Uses | Squaric acid used as intermediate for squaraine dyes and heterocycles. Squaric acid is an immunotherapy used to treat common warts. This treatment is non-toxic, and easy to use. The treatment activated your immune system to combat the warts and therefore it may cause an allergic reaction , similar to poison oak. This reaction can be managed with a topical cortisone cream. Blistering and lightening of the skin may occur, but rarely. Squaric acid derivatives – synthetic targets for ring expansion reactions |
| Uses | 3,4-Dihydroxy-3-cyclobutene-1,2-dione is used to produce diethoxy-cyclobutenedione by heating, pharmaceutical intermediates, squarylium dyes, and photoconducting squaraines; The dibutylester is used as a contact sensitizer in the treatment of alopecia and warts. |
| Uses | 3,4-Dihydroxy-3-cyclobutene-1,2-dione can be used:
|
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Wuhan Han Sheng New Material Technology Co. Ltd is a professional company which specialized in manufacturing and selling chemical raw materials, chemical products, pharmaceutical intermediates, veterinary medicine intermediates, dye intermediates, pigments, cosmetics raw materials and chemical reagents.
We have long term cooperation pharmaceutical raw material production plant and a reagent research and development center, with a rich professional background and strong competitive advantage. We have a professional and experienced team and we promise clients to provide the best quality, price and service. During the business cooperation with clients, we always adhere principle of Honesty, Trustworthiness and win-win policy. We guarantee 100% qualification of our products pass through the standard of USA, Mexico, UK, Australia, Canada, Brazil, France, Germany, Spain, Belgium, Sweden, the Netherlands and so on.
Our products are used for pharmaceuticals, pesticides, synthetic dyes, organic chemicals, inorganic chemicals, coatings, spices and essence, cosmetics and toilet products, soaps and synthetic detergents, surfactants, printing inks and their auxiliaries, adhesives, photosensitive materials, magnetic materials, catalysts, reagents, water treatment agents and polymer flocculants, papermaking auxiliaries, leather auxiliaries, synthetic materials auxiliaries, textile printing and dyeing agents and finishing agents, food additives Feed additives, animal drugs, etc.
About Us
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
*small quantity: By Fedex, DHL, HKPOST, UPS, TNT or As customers’ requirement
*Bulk order: By air or sea
*Delivery: within 3 days for samples and 10 days for bulk order