596-01-0
Product Name:
alpha-Naphtholphthalein
Formula:
C28H18O4
Synonyms:
1-Naphtholphthalein
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CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Colorless solid when pure; Usually greyish-red; [Merck Index] Grey to brown solid; [Acros Organics MSDS] |
|---|---|
| Chemical Classes | Dyes -> Indicator Dyes |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
COMPUTED DESCRIPTORS
| Molecular Weight | 418.4 g/mol |
|---|---|
| XLogP3 | 6.3 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 2 |
| Exact Mass | 418.12050905 g/mol |
| Monoisotopic Mass | 418.12050905 g/mol |
| Topological Polar Surface Area | 66.8 Ų |
| Heavy Atom Count | 32 |
| Formal Charge | 0 |
| Complexity | 668 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |