THYMOL BLUE pH INDICATOR AR/ACS |
| Article No. | 57755 | Grade | AR/ACS | |
| Synonyms | Thymolsulphophthalein | C.I. No. | — | |
| CAS No. | 76-61-9 | Purity | — | |
| Molecular Formula | C27H30O5S | Molecular Weight | 466.60 | |
| H.S. Code | 2934.9990 | Shelf Life | 60 Months | |
| Physical Properties | ||||
| Physical state at 20 °C | Solid | Colour | Brownish green powder | |
| Solubility | Soluble in alcohol and dilute alkali, insoluble in water. | Odour | Characteristic odor | |
| Specifications Parameters | ||||
| Description | Dark green to dark brown powder. | |||
| Visual Transition interval
(acid range) |
pH 1.2 – 2.8
Violet red – Brownish yellow |
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| Visual Transition interval
(alkaline range) |
pH 7.8 – 9.5
yellow or greenish yellow – Blue |
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| Absorption maxima
λ1 (pH 1.2) λ2 (pH 2.8) λ3 (pH 7.8) λ4 (pH 9.5) |
543 – 547 nm 431 – 436 nm 431 – 436 nm 594 – 598 nm |
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| Absorptivity (A1%/1cm , on dried substance) at:
λ1 (pH 1.2) λ2 (pH 2.8) λ3 (pH 7.8) λ4 (pH 9.5) |
400 – 500 200 – 300 200 – 300 450 – 550 |
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| Clarity of solution | To pass the test | |||
| Loss on drying (at 110°C) | Max. 3.0% | |||
| Properties | Store below 30°C. | |||
| 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 | 5 gm, 25 gm |
| Country of Origin | India | Website | www.auraiyalabchem.com |
| Item model number | 57755 | 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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