Certificate of Analysis for Dimethyl Sulfoxide – Pharma Grade
Manufacturer: Hubei Xingfa Chemicals Group Co., Ltd
Address: Room 2002, Yuehe Bldg, No.62 Fazhan Avenue, Yichang City 443000, Hubei, China
Product: Dimethyl Sulfoxide – Pharma Grade
Test Standard: GB/T 21395-2024
Batch No.: 071250515M
Batch Size: 18MT
Date of Manufacture: 2025-05-15
Date of Expiry: 2027-05-14
Certificate of Analysis
| Item | Specification | Result |
|---|---|---|
| Batch No. | — | 071250515M |
| Batch Size | — | 18MT |
| Date of Mfg. | — | 2025-05-15 |
| Date of Expiry | — | 2027-05-14 |
| Purity (DMSO) % | 99.90 MIN | 99.99 |
| Crystallization Point °C | 18.3 MIN | 18.39 |
| Acid Value MGKOH/G | 0.01 MAX | 0.01 |
| Moisture % (Kari Fishcher) | 0.1 MAX | 0.01 |
| Transmittance (400NM) % | 96.00 MIN | 100.0 |
| Refractive Index (20°C) | 1.4775 MIN, 1.4790 MAX | 1.4788 |
| Density g/L | 1.093 MIN | 1.095 |
| Deepening Substance (KOH%) | 0.023 MAX | 0.021 |
| Absorbance (275nm, 285nm, 295nm) % | 0.300 MAX, 0.200 MAX, 0.200 | 0.066, 0.025, 0.020 |
| Absorbance Ratio % | 0.65 MAX, 0.45 MAX | 0.38, 0.30 |
Original Certificate of Analysis
View the original Certificate of Analysis issued by
Hubei Xingfa Chemicals Group Co., Ltd.