MERCK 103025.0005 Bromocresol Purple İndicator Reag. CAS No.115-40-2
| Description |
|---|
| Catalogue Number | 103025 |
| Synonyms | 5',5''-Dibromo-o-cresolsulfonphthalein |
| Product Information |
|---|
| CAS number | 115-40-2 |
| EC number | 204-087-8 |
| Grade | ACS,Reag. Ph Eur |
| Hill Formula | C₂₁H₁₆Br₂O₅S |
| Molar Mass | 540.24 g/mol |
| HS Code | 2934 99 99 |
| Structure formula Image |
| Quality Level | MQ200 |
| Physicochemical Information |
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| Melting Point | 242 °C |
| Bulk density | 515 kg/m3 |
| Safety Information according to GHS |
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| Storage class | 10 - 13 Other liquids and solids |
| WGK | WGK 3 highly hazardous to water |
| Disposal | 3Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C. |
| Storage and Shipping Information |
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| Storage | Store at +2°C to +30°C. |
| Specifications |
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| Identity (UV/VIS-Spectrum) | passes test |
| Clarity of solution (1 g/l; ethanol) | passes test |
| Transition range | pH 5.2 - pH 6.8 greenish yellow - blue violet |
| Absorption maximum λ 1 max. (buffer pH 5.2) | 429 - 433 nm |
| Absorption maximum λ 2 max. (buffer pH 6.8) | 587 - 590 nm |
| Spec. Absorptivity A 1%/1cm (λ 1 max.; 0.005 g/l; buffer pH 5.2; calc. on dried substances) | 400 - 470 |
| Spec. Absorptivity A 1%/1cm (λ 2 max.; 0.005 g/l; buffer pH 6.8; calc. on dried substances) | 1000 - 1160 |
| Loss on drying (110 °C) | ≤ 2 % |
| Transition range (according to ACS) | passes test |
| Sensitivity test | passes test |
| Global Trade Item Number |
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| Catalogue Number | GTIN |
|---|
| 1030250005 | 04022536038988 |
| 1030250025 | 04022536038995 |
