Armstrong's acid
Chemical compound / From Wikipedia, the free encyclopedia
Armstrong's acid (naphthalene-1,5-disulfonic acid) is a fluorescent organic compound with the formula C10H6(SO3H)2. It is one of several isomers of naphthalenedisulfonic acid. It a colorless solid, typically obtained as the tetrahydrate.[1] Like other sulfonic acids, it is a strong acid. It is named for British chemist Henry Edward Armstrong.[2]
Quick Facts Names, Identifiers ...
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Names | |||
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Preferred IUPAC name
Naphthalene-1,5-disulfonic acid | |||
Other names
Armstrong's acid | |||
Identifiers | |||
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3D model (JSmol) |
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ChEBI | |||
ChemSpider |
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ECHA InfoCard | 100.001.199 | ||
PubChem CID |
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UNII | |||
CompTox Dashboard (EPA) |
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Properties | |||
C10H8S2O6 | |||
Molar mass | 288.299 g/mol | ||
Appearance | colorless solid | ||
Hazards | |||
Occupational safety and health (OHS/OSH): | |||
Main hazards |
corrosive | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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