Plot No. C40, Road No. 21Y, MIDC, Wagle Industrial Estate, Thane(W)-400604, MH, India
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Bromocresol purple, Hi-Cert™/ACS
SKU:
GRM119
CAS Number :
115-40-2
Synonym :
5-5'-Dibromo-o-cresolsulphonphthalein
Molecular Formula :
C₂₁H₁₆Br₂O₅S
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Bromocresol purple hydrophilic dye that is used as a pH indicator which changes color from yellow (at low pH 5.2) to violet (above pH 6.8).
CAS Number :
115-40-2
Synonym :
5-5'-Dibromo-o-cresolsulphonphthalein
Molecular Formula :
C₂₁H₁₆Br₂O₅S
Product Identifier
| CAS No. | 115-40-2 |
|---|---|
| EC No. | 204-087-8 |
| Molecular Formula | C21H16Br2O5S |
| Molecular Weight | 540.22 |
| Synonym | 5-5'-Dibromo-o-cresolsulphonphthalein |
| HS Code | 2934 99 00 |
| Storage | Below 30°C |
| Shelf life | 4 years |
Technical Specification
| Appearance | Grey to light purple or pink to yellow-tan crystals or powder |
|---|---|
| Solubility | 20 ppm in 50% ethanol yields clear solution |
| Visual pH Transition | pH 5.20 (yellow) - pH 6.80 (purple) |
| Absorption maxima (pH 5.2) | 426 - 436 nm (20 ppm in 50% ethanol) |
| Absorption maxima (pH 6.8) | 584 - 594 nm (20 ppm in 50% ethanol) |
| Specific Absorbance 1 | 400 - 450 (20 ppm in 50% ethanol, at 426 - 436 nm) |
| Specific Absorbance 2 | 1000 - 1100 (20 ppm in 50% ethanol, at 584 - 594 nm) |
| Loss on drying (at 110°C, 2 hr) | <= 5.0% |
Safety Information
| Hazard Pictogram(s) |  |
|---|---|
| Signal Word | Warning |
| Hazard Statement(s) | H315- H319- H335 |
| Precautionary Statement(s) | P261- P305+P351+P338 |
| UN No. | Not dangerous goods |
| Class | - |
| Packing Group | - |
| RTECS | Not available |
| WGK | 3 |
CAS Number :
115-40-2
Synonym :
5-5'-Dibromo-o-cresolsulphonphthalein
Molecular Formula :
C₂₁H₁₆Br₂O₅S
| Product Name | Bromocresol purple, Hi-Cert™/ACS |
|---|---|
| SKU | GRM119 |
| CAS No | 115-40-2 |
| EC No. | 204-087-8 |
| Molecular formula | C₂₁H₁₆Br₂O₅S |
| Synonym | 5-5'-Dibromo-o-cresolsulphonphthalein |
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