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| Product Name & Identifiers | Butylparaben CAS 94-26-8 Butyl 4-hydroxybenzoate |
| Molecular Formula | C11H14O3 |
| Structure | |
| Product Type | Paraben ester for preservative formulations. |
| Reference Specifications | See the separate specification columns below and select the required grade. |
| Applications & Selection | Organic synthesis intermediate and preservative formulation raw material for cosmetics, pharmaceutical excipients and specialty products. Confirm permitted uses, use levels and suitability for the destination market, grade and formulation. |
| Packing & Supply | Packaging, order quantity and lead time are confirmed at enquiry. Follow the SDS for the supplied grade for storage and handling. |
| Item | BP | USP | Q/SH 010 |
|---|---|---|---|
| Appearance | Colourless crystals or white crystalline powder | White crystalline powder | White crystalline powder |
| Content (dry basis), % | 99.0–100.5 | 98.0–102.0 | ≥99.0 |
| Melting point, °C | 68–71 | 68–72 | 68–72 |
| Acidity | Qualified | Qualified | Qualified |
| Sulfate, % ≤ | — | — | 0.024 |
| Loss on drying, % ≤ | — | 0.50 | 0.50 |
| Residue on ignition, % ≤ | 0.1 | 0.1 | 0.10 |
| HBA and salicylic acid, % ≤ | — | — | 0.10 |
| Arsenic, % ≤ | — | — | 0.0001 |
| Heavy metals (as Pb), % ≤ | — | — | 0.001 |
| Appearance of solution | Clear and transparent | — | — |
| Related substances | Qualified | — | — |
| Identification test | — | Qualified | — |
| Organic volatile impurities | — | Qualified | — |
Reference specification options from the product sheet. A dash means no value is stated. Confirm BP/USP editions, the required grade and batch conformity when ordering. The agreed specification and corresponding batch COA apply.
| How do I identify the product? | Butylparaben is also known as Butyl 4-hydroxybenzoate. Its CAS number is 94-26-8 and molecular formula is C11H14O3. Include both the product name and CAS in your enquiry. |
| How should I select the specification? | Compare the separate reference columns and specify the required standard and edition. Confirm assay, impurity limits and batch conformity against the agreed specification and corresponding COA. |
| What information is needed for a quotation? | Please state the application, destination market, target standard, quantity, preferred packaging and delivery schedule. Order quantity, supply volume and lead time are confirmed at enquiry. |
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