6-Hydroxy-5-oxo-5H-dibenzo[a,h]phenoxazine-12-sulfonic acid sodium salt, also known as 6-HO-5-oxo-5H-dibenzo[a,h]phenoxazine-12-sulfonic acid sodium salt, is a chemical compound with the molecular formula C16H9NaO5S. It is a sodium salt derivative of a dibenzo[a,h]phenoxazine, which is a type of phenoxazine with a benzene ring fused to the phenoxazine structure. 6-Hydroxy-5-oxo-5H-dibenzo[a,h]phenoxazine-12-sulfonic acid sodium salt is characterized by a hydroxyl group at the 6-position, an oxo group at the 5-position, and a sulfonic acid group at the 12-position. The sodium salt form indicates that the sulfonic acid group has been neutralized with sodium, making it a water-soluble compound. It is often used as a chemical intermediate in the synthesis of various pharmaceuticals and dyes due to its unique structure and reactivity.
6661-38-7
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Basic information
- Product Name: 6-Hydroxy-5-oxo-5H-dibenzo[a,h]phenoxazine-12-sulfonic acid sodium salt
- Synonyms: 6-Hydroxy-5-oxo-5H-dibenzo[a,h]phenoxazine-12-sulfonic acid sodium salt;Alizarine Green B;C.I.51410
- CAS NO:6661-38-7
- Molecular Formula:
- Molecular Weight: 0
- EINECS: N/A
- Product Categories: N/A
- Mol File: 6661-38-7.mol
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: /
- Density: N/A
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: 6-Hydroxy-5-oxo-5H-dibenzo[a,h]phenoxazine-12-sulfonic acid sodium salt(CAS DataBase Reference)
- NIST Chemistry Reference: 6-Hydroxy-5-oxo-5H-dibenzo[a,h]phenoxazine-12-sulfonic acid sodium salt(6661-38-7)
- EPA Substance Registry System: 6-Hydroxy-5-oxo-5H-dibenzo[a,h]phenoxazine-12-sulfonic acid sodium salt(6661-38-7)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 6661-38-7(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 6661-38-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,6,6 and 1 respectively; the second part has 2 digits, 3 and 8 respectively.Calculate Digit Verification of CAS Registry Number 6661-38:
(6*6)+(5*6)+(4*6)+(3*1)+(2*3)+(1*8)=107
107 % 10 = 7
So 6661-38-7 is a valid CAS Registry Number.
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6-Hydroxy-5-oxo-5H-dibenzo[a,h]phenoxazine-12-sulfonic acid sodium salt
