Plot No. C40, Road No. 21Y, MIDC, Wagle Industrial Estate, Thane(W)-400604, MH, India
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Formaldehyde solution, 35%
SKU:
TC557M
CAS Number :
50-00-0
Molecular Formula :
CH₂O
Availability: In stock
Only %1 left
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Product Identifier
| Product Code | TC557M |
|---|---|
| Molecular weight | 30.03 |
| Molecular formula | CH2O |
| CAS No. | 50-00-0 |
Technical Specification
| Appearance (EP, BP, JP) | Clear colorless liquid. IT may be cloudy after storage. |
|---|---|
| Appearance (USP) | Clear, colorless or practically colorless liquid. On long standing, especially in the cold, it become cloudy because of the separation of paraformaldehyde. This cloudiness disappears when the solution is warmed. |
| Solubility (EP, BP) | Miscible with water and with ethanol (96%). |
| Solubility (JP) | Miscible with water and with ethanol (95%). |
| Solubility (USP) | Miscible with water and with alcohol. |
| Identification A (EP, BP) | A violet-blue or violet-red color develops within 5 min. |
| Identification A (USP) | Metallic silver is produced either in the form of finely divided, gray precipitate or as a bright, metallic mirror on the sides of the test tube. |
| Identification 1 (JP) | A gray precipitate is produced, or a silver mirror is formed on the wall of the test tube. |
| Identification B (EP, BP) | An intense red color is formed. |
| Identification B (USP) | A permanent, deep-red color appears. |
| Identification 2 (JP) | A persistent, dark red color develops. |
| Identification C (EP, BP) | A grey precipitate or a silver mirror is formed. |
| Identification D (EP, BP) | It complies with the limits of the assay. |
| Appearance of solution (EP, BP) | Solution of 10 mL in 50 mL of CO2 free water is colorless. |
| Acidity (EP, BP) | Not more than 0.4 mL of 0.1 M sodium hydroxide is required to change the color of the indicator to red. |
| Acidity (USP) | Not more than 10.0 mL of 0.1N sodium hydroxide is consumed. |
| Acidity (JP) | A blue color develops. |
| Methanol, system suitability: Resolution : (EP, BP, USP) | >= 2.0, between the peaks due to methanol and ethanol. |
| Methanol, GC (EP, BP, USP) | 9.00-15.00% |
| Methanol, GC : (JP) | 5.00-13.00% |
| Sulfated ash (EP, BP) | <= 0.10% |
| Residue on ignition (JP) | <= 0.06% |
| Assay, Iodometry (EP, BP) | 34.50-38.00% |
| Assay, Iodometry (USP) | min. 34.50% |
| Assay, Iodometry (JP) | 35.00-38.00% |
Storage and Shelf Life
| Storage Condition | Store below 30°C away from bright light. |
|---|---|
| Shelf life | 48 months. |
CAS Number :
50-00-0
Molecular Formula :
CH₂O
| Product Name | Formaldehyde solution, 35% |
|---|---|
| SKU | TC557M |
| CAS No | 50-00-0 |
| Molecular formula | CH₂O |
| Molecular Weight | 30.03 |
| Storage | Below 30°C |
| Shelf Life | 4 Years |
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