方酸-D2（CAS 31150-56-8）：分子式 C4H2O4、分子量 114.06。
| CAS号 | 31150-56-8 |
|---|---|
| 分子式 | C4H2O4 |
| 分子量 | 114.06 |
| LogP | -0.7 |
| 应用领域 | Uses: Used to make pharmaceutical intermediates、squarylium dyes、and photoconducting squaraines、The dibutylester is used as a contact sensitizer in the treatment of alopecia and warts、[Merck Index]、General Manufacturing Information: 3-Cyclobutene-1、2-dione、3、4-dihydroxy-: ACTIVE |
登记用途：Uses: Used to make pharmaceutical intermediates、squarylium dyes、and photoconducting squaraines、The dibutylester is used as a contact sensitizer in the treatment of alopecia and warts、[Merck Index]、General Manufacturing Information: 3-Cyclobutene-1、2-dione、3、4-dihydroxy-: ACTIVE。
方酸-D2 是一种化工化合物，登记 CAS 号为 31150-56-8，分子式 C4H2O4（分子量 114.06）。
登记 CAS 号：31150-56-8
其分子式 C4H2O4 由 4 个碳、2 个氢、4 个氧 组成。
别名/同义词：方酸-D2 · 3,4-DIHYDROXY-3-CYCLOBUTENE-1,2-DIONE-D2
方酸-D2 的 CAS 登记号为 31150-56-8。
分子式 C4H2O4，分子量 114.06。
别名/同义词：方酸-D2、3,4-DIHYDROXY-3-CYCLOBUTENE-1,2-DIONE-D2。
登记用途：Uses: Used to make pharmaceutical intermediates、squarylium dyes、and photoconducting squaraines、The dibutylester is used as a contact sensitizer in the treatment of alopecia and warts、[Merck Index]、General Manufacturing Information: 3-Cyclobutene-1、2-dione、3、4-dihydroxy-: ACTIVE。
方酸-D2（CAS 31150-56-8）的独立参考数据，整理自公开化学数据库。
| CAS 号 | 31150-56-8 |
|---|---|
| PubChem CID | 17913 |
| 分子式 | C4H2O4 |
| IUPAC 名称 | 3,4-dihydroxycyclobut-3-ene-1,2-dione |
| UNII（FDA） | SVR9D0VODW |
| Molecular Weight | 114.06 |
|---|---|
| XLogP3 | -0.7 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 0 |
| Exact Mass | 113.99530854 |
| Monoisotopic Mass | 113.99530854 |
| Topological Polar Surface Area | 74.6 |
| Heavy Atom Count | 8 |
Squaric acid; 2892-51-5; Quadratic acid; 3,4-dihydroxycyclobut-3-ene-1,2-dione; Quadratsaeure; 1,2-Diketo-3,4-dihydroxycyclobutene; Dihydroxycyclobutenedione; DTXSID9049409; SVR9D0VODW; NSC-125692; DTXCID8029369; CHEBI:52141; RefChem:185166; 220-761-4; 3,4-Dihydroxy-3-cyclobutene-1,2-dione; 3-Cyclobutene-1,2-dione, 3,4-dihydroxy-
| 已通报的危害声明 | H315 (72.1%), H317 (86.9%), H319 (72.1%), H335 (70.5%) |
|---|
方酸-D2 · CAS 31150-56-8 · C4H2O4. UNII SVR9D0VODW.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: 3,4-DIHYDROXY-3-CYCLOBUTENE-1,2-DIONE-D2