Phenol Red 25g
Phenol Red for pH indicator and cell culture applications. CAS 143-74-8, molar mass 354.38 g/mol.
Laboratory Grade
Product Information
High Purity
Assay ≥ 95% for accurate pH indication.
pH Indicator
Ideal for pH range 6.8 (yellow) - 8.2 (red).
Quality Assured
Manufactured by Merck, meets laboratory standards.
Product Specifications
Chemical Properties
| CAS Number | 143-74-8 |
|---|---|
| EC Number | 205-609-7 |
| Hill Formula | C₁₉H₁₄O₅S |
| Molar Mass | 354.38 g/mol |
| HS Code | 2934 99 90 |
Physical Properties
| Melting Point | 245 - 260 °C (decomposition) |
|---|---|
| pH Range | 6.8 (yellow) - 8.2 (red) |
| Assay | ≥ 95% |
Packaging
| Quantity | Container | Catalog ID |
|---|---|---|
| 25 g | Bottle | PH-RED-25G |
| Custom | Bulk packaging | Contact us |
Custom packing available for laboratory applications. Contact for bulk orders: UAE/KSA ( WILCO PRIME ): +971 50899 0212. For Pakistan, contact our distributor Alkemist : +923019220000.
Safety & Handling
Storage
Store in a cool, dry place below +30°C, away from light and incompatible materials.
Handling
Handle in a well-ventilated area. Avoid inhalation, ingestion, and contact with skin or eyes.
Hazards
May cause skin and eye irritation. Harmful if swallowed in large amounts.
PPE Requirements
Wear chemical-resistant gloves, safety goggles, and lab coat during handling.
Hazard Statements
- H315: Causes skin irritation
- H319: Causes serious eye irritation
- H302: Harmful if swallowed
Precautionary Statements
- P264: Wash hands thoroughly after handling
- P270: Do not eat, drink, or smoke when using this product
- P280: Wear protective gloves/protective clothing/eye protection
- P301+P312: IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell
- P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes
- P501: Dispose of contents/container to approved waste disposal plant
Frequently Asked Questions
Phenol Red is used as a pH indicator (6.8-8.2) and in cell culture media to monitor pH changes.
Yes, it is designed for laboratory applications with high purity (≥ 95%) and manufactured by Merck.
Handle in a well-ventilated area, wear PPE (gloves, goggles, lab coat), avoid ingestion, and follow safety guidelines.
