Dimethyl Sulfoxide
SIAL/RTC000103 - Pharmaceutical Secondary Standard; Certified Reference Material
Synonym: Dimethyl sulfoxide; DMSO
CAS Number: 67-68-5
Empirical Formula (Hill Notation): C2H6OS
Molecular Weight: 78.13
MDL Number: MFCD00002089
Linear Formula: (CH3)2SO
Product Type: Chemical
agency | traceable to USP 1211006 |
autoignition temp. | 573 °F |
bp | 189 °C (lit.) |
CofA | current certificate can be downloaded |
density | 1.10 g/mL (lit.) |
expl. lim. | 42 %, 63 °F |
grade | certified reference material |
pharmaceutical secondary standard | |
InChI | 1S/C2H6OS/c1-4(2)3/h1-2H3 |
InChI key | IAZDPXIOMUYVGZ-UHFFFAOYSA |
mp | 16-19 °C (lit.) |
packaging | pkg of 20 mL |
Quality Level | 300 ![]() |
refractive index | n |
SMILES string | CS(C)=O |
storage temp. | 2-8°C |
vapor density | 2.7 (vs air) |
vapor pressure | 0.42 mmHg ( 20 °C) |
Analysis Note: | These secondary standards offer multi-traceability to the USP, EP and BP primary standards, where they are available. |
Caution: | Supercools easily and remelts slowly at room temperature. Solidified product can be re-liquified by warming to room temperature without detriment to the product. |
Footnote: | To see an example of a Certificate of Analysis for this material enter LRAB9777 in the Documents slot below. This is an example certificate only and may not be the lot that you receive. |
General description: | Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards |
Other Notes: | This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis. |
WGK Germany | WGK 1 |
Flash Point(F) | 188.6 °F |
Flash Point(C) | 87 °C |
bp | 189 °C (lit.) |
mp | 16-19 °C (lit.) |
Density | 1.10 g/mL (lit.) |
Refractive Index | n |
Storage Temp. | 2-8°C |
UNSPSC | 41116107 |