| Dimethyl sulphoxide USP/Ph.Eur 190L | |||
| 97260LL190 | 471877108IY | ||
| USP/Ph.Eur | 4718771 | ||
| 67-68-5 | 115430 | ||
| C2H6OS | September 2025 | ||
| 78.13 | August 2028 | ||
| Sr.No. | Test | Result | Specification | Method Reference |
|---|---|---|---|---|
| 1 | Appearance/Description | A clear, colorless, odorless, hygroscopic liquid | A clear, colorless, odorless, hygroscopic liquid or crystals. | USP/ Ph.Eur/In-house |
| 2 | Solubility | Complies | Soluble in water. Miscible with ethanol (96 per cent). | USP/ Ph.Eur/In-house |
| 3 | Identification (By IR) | Complies | IR spectra of the sample should be concomittant with IR pectra of the corresponding standard | USP / Ph.Eur |
| 4 | Identification (By chemical test 1) | Complies | A deep violet, crystalline solid should obtaine which should soluble in chloroform, yielding a red solution. | USP |
| 5 | Identification (By chemical test 2) | Complies | The colour changes to green or bluish-green. Cool. The colour changes to greenish-yellow. | Ph.Eur |
| 6 | Identification (by Relative density, 20°C) | 1.101 | 1.100-1.104 | Ph.Eur |
| 7 | Identification (By Refractive index, 20±0.5°C) | 1.478 | 1.478-1.480 | Ph.Eur |
| 8 | Specific gravity, 25°C | 1.096 | Between 1.095 to 1.101 | USP |
| 9 | Relative density,20°C | 1.101 | 1.100-1.104 | Ph.Eur |
| 10 | Refractive index (20°C ± 0.5°C) | 1.478 | 1.478-1.480 | Ph.Eur |
| 11 | Refractive index, 25°C | 1.4760 | 1.4755-1.4775 | USP |
| 12 | Freezing point | 18.4°C | Min. 18.3°C | Ph.Eur |
| 13 | Acidity | 3.4ml of 0.01N sodium hydroxide required | Not more than 5.0ml of 0.01N sodium hydroxide should consume | USP/Ph.Eur |
| 14 | Water | 0.07% | NMT 0.1% | USP/Ph.Eur |
| 15 | UV absorbance profile (10mm cell)@270nm-350nm | Complies | The spectrum is smooth with no absorption maxima. | USP/Ph.Eur |
| 16 | UV absorbance ratio (A285nm/A275nm) | 0.09 | NMT 0.65 | USP |
| 17 | UV absorbance ratio (A295nm/A275nm) | 0.08 | NMT 0.45 | USP |
| 18 | UV absorbance profile (10mm cell)@275nm | 0.074 | NMT 0.20 | USP |
| 19 | UV absorbance profile (10mm cell)@285nm | 0.022 | NMT 0.20 | Ph.Eur |
| 20 | UV absorbance profile (10mm cell)@295nm | 0.006 | NMT 0.20 | Ph.Eur |
| 21 | Limit of Non volatile residue | 0.007% | Not more than 0.01% | USP |
| 22 | Related substances, unspecified impurities | 0.01% | NMT 0.10% | Ph.Eur |
| 23 | Related compunds / Related substances - Total impurities | 0.003% | NMT 0.10% | USP/Ph.Eur |
| 24 | Assay (on Anhydrous basis) | 99.98% | NLT 99.9% | USP |
Remarks: THE CAPTIONED MATERIAL COMPLIES WITH THE PRESCRIBED QUALITY OF USP AND PH.EUR SPECIFICATION.
Actylis provides this analytical report in good faith and to the best of its knowledge. It should not be substituted for the users own raw material quality control.
| Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |
Computer Generated Report - Does not require Signature.
