α-NAPHTHOL BENZEIN pH INDICATOR |
| Article No. | 17140 | Grade | pH indicator | |
| Synonyms | 1-Naphtholbenzein, 4,4’-(a-hydroxy benzylidene)di-1-naphthol, p-Naphtholbenzein | C.I. No. | — | |
| CAS No. | 145-50-6 | Purity | — | |
| Molecular Formula | C27H18O2 | Molecular Weight | 374.44 | |
| H.S. Code | 2914.5000 | Shelf Life | 60 Months | |
| Physical Properties | ||||
| Physical state at 20 °C | Solid | Colour | Dark reddish black | |
| Solubility | Insoluble in water. | Odour | Odorless | |
| Specifications Parameters | ||||
| Description | Dark red to red-brown to brown-black to orange-brown powder. | |||
| Transition range | pH 8.0 – pH 9.6
(apricot – turquoise blue) |
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| Absorption maximum λmax. (HClO4 0.1Mol/L in acetic acid) | 622 – 626 nm | |||
| Loss on drying (at 105°C) | Max. 7.0% | |||
| Properties | Store at Room temperature. | |||
| Note(s): 1] Assay (if applicable) method mentioned.
WARNING Hazard statements: Not hazardous. No hazards. Precautionary statements Prevention: ———————————————- Response: ————————————————
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IMDG Code : —
UN No. : — IATA : — |
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| Disposal:————- | ||||
| Hazard Pictogram(s) : — | ||||
| Manufacturer | Auraiya Laboratory Chemicals Pvt Ltd | Net Packing | 5gm, 25gm |
| Country of Origin | India | Website | www.auraiyalabchem.com |
| Item model number | 17140 | Order now | sales@auraiyalabchem.com |
| Packer | Auraiya Laboratory Chemicals Pvt Ltd | Contact us | +91 879 151 1893 |
| Importer | Auraiya Laboratory Chemicals Pvt Ltd | Customer Care | info@auraiyalabchem.com |
Date- 10.11.2024
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