![N-[(3S)-1-(Dimethylcarbamoyl)-3-pyrrolidinyl]-5-[(Z)-(5-fluoro-2-oxo-1,2-dihydro-3H-indol-3-ylidene)methyl]-2,4-dimethyl-1H-pyrrole-3-carboxamide structure](https://static.chemtradehub.com/structs/101/1013920-15-4-a4c8.webp "N-[(3S)-1-(Dimethylcarbamoyl)-3-pyrrolidinyl]-5-[(Z)-(5-fluoro-2-oxo-1,2-dihydro-3H-indol-3-ylidene)methyl]-2,4-dimethyl-1H-pyrrole-3-carboxamide structure")
N-[(3S)-1-(Dimethylcarbamoyl)-3-pyrrolidinyl]-5-[(Z)-(5-fluoro-2-oxo-1,2-dihydro-3H-indol-3-ylidene)methyl]-2,4-dimethyl-1H-pyrrole-3-carboxamide
CAS Number:
1013920-15-4
Molecular Formula:
C23H26FN5O3
2,7-Naphthalenedisulfonic acid,4,5-dihydroxy-3-[(2-hydroxy-5-sulfophenyl)azo]-, trisodium salt | CAS No. 3270-25-5
2,7-Naphthalenedisulfonic acid,4,5-dihydroxy-3-[(2-hydroxy-5-sulfophenyl)azo]-, trisodium salt
Basic Information
CAS Number
3270-25-5
Molecular Formula
C16H9N2Na3O12S3
Molecular Weight
586.4 g/mol
AD
Basic Physical Properties
Density
1.0500
Synonyms & References
English
- starbld0016529
- 2,7-Naphthalenedisulfonic acid,4,5-dihydroxy-3-[(2-hydroxy-5-sulfophenyl)azo]-, trisodium salt
- 4,5-Dihydroxy-3-[(2-hydroxy-5-sulfophenyl)azo]-2,7-naphthalenedisulfonic acid trisodium salt
- 3270-25-5
- acid chrome blue K
- Chrome Blue K
- trisodium;4,5-dihydroxy-3-[(2-hydroxy-5-sulfonatophenyl)diazenyl]naphthalene-2,7-disulfonate
- F71444
- AcidchromeblueK
- C.I. 16675
- Acid Chrome Blue K
- 4,5-DIHYDROXY-3-((2-HYDROXY-5-SULFOPHENYL)AZO)-2,7-NAPHTHALENEDISULFONIC ACID TRISODIUM SALT
- C.I.Mordant Blue 31
- Chrome fast navy blue R
- Indicator
MDL Number
MFCD00003889
FAQ
What are the physical and chemical properties of 2,7-Naphthalenedisulfonic acid,4,5-dihydroxy-3-[(2-hydroxy-5-sulfophenyl)azo]-, trisodium salt (CAS: 3270-25-5)?
The compound is a trisodium salt of a dianionic dye, with a molecular weight of approximately 713.3 g/mol. It has a crystalline form and is soluble in water, with a solubility of about 20 g/L at 25°C. It is a strong acid and exhibits high reactivity towards bases and certain organic compounds. It is often used in analytical chemistry for its unique spectral properties.
How is 2,7-Naphthalenedisulfonic acid,4,5-dihydroxy-3-[(2-hydroxy-5-sulfophenyl)azo]-, trisodium salt (CAS: 3270-25-5) typically synthesized?
The compound is typically synthesized by the coupling of 4,5-dihydroxy-3-[(2-hydroxy-5-sulfophenyl)azo]-2,7-naphthalenedisulfonic acid with sodium hydroxide. The synthesis involves diazotization and coupling reactions, with sodium carbonate as a common catalyst. High yield and selectivity are achieved under controlled pH and temperature conditions.
What industries use 2,7-Naphthalenedisulfonic acid,4,5-dihydroxy-3-[(2-hydroxy-5-sulfophenyl)azo]-, trisodium salt (CAS: 3270-25-5)?
This compound is primarily used in the pharmaceutical industry for dyeing and colorimetric assays. It is also utilized in the polymer industry for dyeing and as a pH indicator. Additionally, it finds applications in the semiconductor industry as a dopant and in the production of sensors for detecting specific chemical species.
What precautions should be taken when handling 2,7-Naphthalenedisulfonic acid,4,5-dihydroxy-3-[(2-hydroxy-5-sulfophenyl)azo]-, trisodium salt (CAS: 3270-25-5)?
Proper personal protective equipment (PPE) should be worn when handling this compound, including gloves, goggles, and a lab coat. It should be handled in a fume hood to avoid inhalation and skin contact. Spills should be cleaned up using appropriate absorbent materials and the area should be ventilated. Safety data sheets (SDS) should be consulted for detailed handling and disposal information.
Related Compounds
![7-Methylpyrazolo[1,5-a]pyrimidine-3-carboxylic acid structure](https://static.chemtradehub.com/structs/101/1016505-59-1-4c54.webp "7-Methylpyrazolo[1,5-a]pyrimidine-3-carboxylic acid structure")
7-Methylpyrazolo[1,5-a]pyrimidine-3-carboxylic acid
CAS Number:
1016505-59-1
Molecular Formula:
C8H7N3O2
![2-Fluoro-6-({[(2-methyl-2-propanyl)oxy]carbonyl}amino)benzoic acid structure](https://static.chemtradehub.com/structs/104/1048919-15-8-ba81.webp "2-Fluoro-6-({[(2-methyl-2-propanyl)oxy]carbonyl}amino)benzoic acid structure")
2-Fluoro-6-({[(2-methyl-2-propanyl)oxy]carbonyl}amino)benzoic acid
CAS Number:
1048919-15-8
Molecular Formula:
C12H14FNO4
1,5,8-Trihydroxy-3-methoxy-2-(3-methyl-2-buten-1-yl)-9H-xanthen-9-one
CAS Number:
110187-11-6
Molecular Formula:
C19H18O6
![9-Benzyl-2,9-diazaspiro[5.5]undecane dihydrochloride structure](https://static.chemtradehub.com/structs/119/1198286-24-6-4781.webp "9-Benzyl-2,9-diazaspiro[5.5]undecane dihydrochloride structure")
9-Benzyl-2,9-diazaspiro[5.5]undecane dihydrochloride
CAS Number:
1198286-24-6
Molecular Formula:
C16H26Cl2N2
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