| Product Identification | Back to Contents | 【Product Name】
3,4-Dihydroxy-3-cyclobutene-1,2-dione | 【Synonyms】
1,2-Diketo-3,4-dihydroxycyclobutene
3,4-Dihydroxy-3-cyclobutene-1,2-dione
3,4-Dihydroxycyclobutene-1,2-dione
Dihydroxycyclobutenedione
Quadratic acid | 【CAS】
2892-51-5 | 【Formula】
C4H2O4 | 【Molecular Weight】
114.06 | 【EINECS】
220-761-4 | 【RTECS】
GU1800000 | 【RTECS Class】
Tumorigen | 【Beilstein/Gmelin】
774275 | 【Beilstein Reference】
4-08-00-02701 | 【EC Class】
corrosive |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
odorless slightly beige solid | 【Solubility in water】
Very soluble | 【Melting Point】
293 | 【Vapor Pressure】
0.075 (20 C) | 【Density】
1 g/cm3 (20 C) | 【pKa/pKb】
0.52 (pKa) | 【Usage】
Treatment of warts and autoimmune hair loss. |
| First Aid Measures | Back to Contents | 【Ingestion】
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid. | 【Inhalation】
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. | 【Skin】
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. | 【Eyes】
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. |
| Handling and Storage | Back to Contents | 【Storage】
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. | 【Handling】
Wash thoroughly after handling. Use only in a well ventilated area. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation. |
| Hazards Identification | Back to Contents | 【Ingestion】
The toxicological properties of this substance have not been fully investigated. | 【Inhalation】
The toxicological properties of this substance have not been fully investigated. | 【Skin】
May cause skin sensitization, an allergic reaction, which becomes evident upon re-exposure to this material. | 【Eyes】
May cause eye irritation. | 【EC Risk Phrase】
R 34 | 【EC Safety Phrase】
S 26 36/37/39 45 | 【UN (DOT)】
3261 |
| Exposure Controls/Personal Protection | Back to Contents | 【Personal Protection】
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure. | 【Respirators】
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary. |
| Fire Fighting Measures | Back to Contents | 【Flash Point】
190 | 【Autoignition】
400 | 【Fire Fighting】
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing media: Use foam, dry chemical, or carbon dioxide. |
| Stability and Reactivity | Back to Contents | 【Disposal Code】
3 | 【Stability】
Stable under normal temperatures and pressures. | 【Incompatibilities】
Strong oxidizing agents, strong bases. | 【Decomposition】
Carbon monoxide, carbon dioxide. |
|
| Company Name: |
Originchem Co., Ltd |
| Tel: |
0523-0523-86200346 15996028822 |
| Fax: |
0523-86200341 |
| WebSite: |
http://www.originchem.com/ |
| Company Name: |
J & K SCIENTIFIC LTD. |
| Tel: |
18210857532; 18210857532 |
| Fax: |
86-10-82849933 |
| WebSite: |
https://www.jkchemical.com |
| Company Name: |
Alfa Aesar |
| Tel: |
400-6106006 |
| Fax: |
021-67582001/03/05 |
| WebSite: |
http://chemicals.thermofisher.cn |
|