Picric acid: Difference between revisions
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==Physical and Chemical Properties== | ==Physical and Chemical Properties== | ||
Soluble in water, ethanol, ether | * Soluble in water, ethanol, ether | ||
* Composition | |||
| C6H3(NO2)3O (mol. wt. = 229.11 g/ml) | |||
* CAS = 88-89-1 | |||
* Melting Point = 122 C | |||
* Density 1.77 g/ml | |||
==Resources and Citations== | ==Resources and Citations== | ||
* A.Scharff, "Synthetic dyestuffs for textiles and their fastness to washing" in ICOM Preprints, Lyon, 1999. p.654-660. | * A.Scharff, "Synthetic dyestuffs for textiles and their fastness to washing" in ICOM Preprints, Lyon, 1999. p.654-660. | ||
* Wikipedia: [https://en.wikipedia.org/wiki/Picric_acid Picric acid] Accessed April 2026 | |||
[[Category:Materials database]] | [[Category:Materials database]] | ||
Revision as of 13:36, 19 April 2026
Description
A yellow acid dye. Picric acid was prepared in 1771 by Woulfe by treating indigo with nitric acid. It was first used as a textile dye for wool and silk. Picric acid has poor washfastness and was replaced by naphthol dyes by the late 1800s.
Synonyms and Related Terms
CI 10305; carbazitic acid; 2,4,6-trinitrophenol; picronitric acid; melinite; acide picrique (Fr.); ácido pícrico (Esp., Port.)
Risks
- Flammable solid. Flash point = 150 C. Explosive at 300C.
- Harmful by ingestion, inhalation, and skin absorption.
- Fisher Scientific: SDS
Physical and Chemical Properties
- Soluble in water, ethanol, ether
- Composition
| C6H3(NO2)3O (mol. wt. = 229.11 g/ml)
- CAS = 88-89-1
- Melting Point = 122 C
- Density 1.77 g/ml
Resources and Citations
- A.Scharff, "Synthetic dyestuffs for textiles and their fastness to washing" in ICOM Preprints, Lyon, 1999. p.654-660.
- Wikipedia: Picric acid Accessed April 2026