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| 產(chǎn)品基本信息 |
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| 產(chǎn)品編號：P998890 |
| 產(chǎn)品名稱：Pyrocatechol Violet |
| 產(chǎn)品CAS：115-41-3 |
| 規(guī)格含量：10g |
| 產(chǎn)品價格：面議 |
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| 產(chǎn)品詳細介紹 |
| 標準品編號: |
P998890 |
| 名稱: |
Pyrocatechol Violet |
| 別名: |
Catechol Violet, Pyrocatecholsulfonphthalein; 4,4'-(1,1-Dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[1,2-benzenediol]; 3,3-Bis(3,4-dihydroxyphenyl)-3H-2,1-benzoxathiole 1,1-Dioxide; NSC 8805; PKF; Pyrocatechin Sulfonephthalein; Pyrocatechol Sulfonephthalein; 4,4'-(3H-2,1-Benzoxathiol-3-ylidene)bis-1,2-benzenediol S,S-Dioxide |
| CAS號: |
115-41-3 |
| 分子式: |
C??H??O?S |
| 分子量: |
386.38 |
| 類別: |
Research Tools; |
| 應用: |
Pyrocatechol Violet is a complexometric indicator dye. This phthalein dye chelates metals to form blue to blue-violet complexs. It is also a pH indicator with a transition interval from 0 - 8 (red to violet). It is known to be unstable when alkaline. The stability is improved at a neutral pH. When the pH is between 2-7 the color may be yellow. Dyes and metabolites. |
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