Difference between revisions of "Roseine"
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== Description == | == Description == | ||
| − | Green prismatic crystals. Roseine is prepared by treating [ | + | Green prismatic crystals. Roseine is prepared by treating [[rosaniline|rosaniline]] with [[acetic%20acid|acetic acid]]. It gives a brick red solution in water. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
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pararosaniline acetate; 4-(4-aminophenyl)(4-Imino-2,5-Cyclohexadiene-1yi)-benzenamine | pararosaniline acetate; 4-(4-aminophenyl)(4-Imino-2,5-Cyclohexadiene-1yi)-benzenamine | ||
| + | == Risks == | ||
| + | |||
| + | * Potential carcinogen. | ||
| + | * May be toxic by inhalation and ingestion. | ||
| + | * Contact may cause irritation. | ||
| + | * NIH: [https://pubchem.ncbi.nlm.nih.gov/compound/Acid-roseine Info page] | ||
| + | |||
| + | ==Physical and Chemical Properties== | ||
{| class="wikitable" | {| class="wikitable" | ||
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|- | |- | ||
! scope="row"| Melting Point | ! scope="row"| Melting Point | ||
| − | | 205 | + | | 205 C |
|- | |- | ||
! scope="row"| Molecular Weight | ! scope="row"| Molecular Weight | ||
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|} | |} | ||
| − | == | + | ==Resources and Citations== |
| − | |||
| − | |||
| − | |||
| − | |||
* F. Crace-Calvert, ''Dyeing and Calico Printing'', Palmer & Howe, London, 1876 | * F. Crace-Calvert, ''Dyeing and Calico Printing'', Palmer & Howe, London, 1876 | ||
Latest revision as of 14:41, 27 June 2022
Description
Green prismatic crystals. Roseine is prepared by treating Rosaniline with Acetic acid. It gives a brick red solution in water.
Synonyms and Related Terms
pararosaniline acetate; 4-(4-aminophenyl)(4-Imino-2,5-Cyclohexadiene-1yi)-benzenamine
Risks
- Potential carcinogen.
- May be toxic by inhalation and ingestion.
- Contact may cause irritation.
- NIH: Info page
Physical and Chemical Properties
| Composition | C21H21N3O2 |
|---|---|
| CAS | 6035-94-5 |
| Melting Point | 205 C |
| Molecular Weight | mol. wt. = 347.41 |
Resources and Citations
- F. Crace-Calvert, Dyeing and Calico Printing, Palmer & Howe, London, 1876