1. Product information
Names
| Name | p-Naphtholbenzein |
|---|
| Synonym | More Synonyms |
|---|
α-Naphtholbenzein Biological Activity
| Description | α-Naphtholbenzein (p-Naphtolbenzein) is a dye. α-Naphtholbenzein can be used as a pH indicator. α-Naphtholbenzein has a visual transition from yellow (pH0-8.2) to turquoise (pH10). α-Naphtholbenzein is often used during sequential injection analysis technique done for acid-base titrations[1]. |
|---|
| Related Catalog | Research Areas >> Others Signaling Pathways >> Others >> Others |
|---|
| References | [1]. Maskula S, et al. Titration of strong and weak acids by sequential injection analysis technique. Talanta. 2000 May 31;52(1):91-9. |
|---|
Chemical & Physical Properties
| Density | 1.3±0.1 g/cm3 |
|---|
| Boiling Point | 578.6±50.0 °C at 760 mmHg |
|---|
| Melting Point | 230-235 °C(lit.) |
|---|
| Molecular Formula | C27H18O2 |
|---|
| Molecular Weight | 374.431 |
|---|
| Flash Point | 242.3±22.7 °C |
|---|
| Exact Mass | 374.130676 |
|---|
| PSA | 37.30000 |
|---|
| LogP | 7.11 |
|---|
| Vapour Pressure | 0.0±1.7 mmHg at 25°C |
|---|
| Index of Refraction | 1.724 |
|---|
| Stability | Stable. Combustible. Incompatible with strong oxidizing agents. |
|---|
| Water Solubility | insoluble |
|---|
MSDS
α-Naphtholbenzein MSDS(Chinese) |
Safety Information
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
|---|
| Hazard Codes | Xi:Irritant; |
|---|
| Risk Phrases | R36/37/38 |
|---|
| Safety Phrases | S26-S36-S37/39 |
|---|
| RIDADR | NONH for all modes of transport |
|---|
| WGK Germany | 3 |
|---|
| HS Code | 29145000 |
|---|
2. Packaging
For powders: normal is 25kgs/Drum or bag, or larger/smaller package as request.
For liquids: normal 25kgs/drum, 180-300kgs/bucket, or IBC, determined by the nature of the product.
Or smaller package 1kg/bottle, 10kgs/bottle as request.
3. Shipping
4. Contact information
For more details, pls contact us freely.
Mob: 86 17630971917
WhatsApp/Skype/Wechat/LINE: 86 17630971917
China
