Ethanol-water solution
SIAL/NIST2900 - NIST® SRM® 2900, nominal 95.6% by mass
Synonym: Ethanol solution; Ethyl alcohol
CAS Number: 64-17-5
Empirical Formula (Hill Notation): C2H6O
Molecular Weight: 46.07
MDL Number: MFCD00003568
Linear Formula: C2H5OH
Product Type: Chemical
| application(s) | environmental |
| format | single component solution |
| grade | certified reference material |
| greener alternative category | Aligned ![]() |
| greener alternative product characteristics | Safer Solvents and Auxiliaries Learn more about the Principles of Green Chemistry . |
| InChI | 1S/C2H6O/c1-2-3/h3H,2H2,1 |
| InChI key | LFQSCWFLJHTTHZ-UHFFFAOYSA |
| manufacturer/tradename | NIST® |
| packaging | pkg of 5 x 10 mL |
| Quality Level | 100 ![]() |
| SMILES string | CCO |
| sustainability | Greener Alternative Product |
| technique(s) | gas chromatography (GC): suitable |
| Karl-Fischer titration: suitable |
| Application: | Ethanol-water solution standard reference material (SRM) is primarily intended for calibrating instruments and techniques used in determining ethanol concentrations in water-based media. |
| Features and Benefits: | • Available with a certificate documenting NIST-certified mass fraction value of Ethanol. • The certified value is obtained from the gravimetric preparation of the solution and from the analytical results determined using gas chromatography. • The certified value is metrologically traceable to the SI unit of mass, expressed as a percent. • The NIST certificate is provided with expiration certificate, storage, handling,use, and maintenance instructions. |
| Features and Benefits: | We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. Ethanol is environmentally preferable green solvent and thus it aligns with "Safer Solvents and Auxiliaries". Click here ![]() |
| General description: | SRM 2900 comprises five 10 milliliter ampoules, each containing approximately 10 mL of solution at an expected concentration of 95.6% by mass. SRM 2900_cert ![]() SRM 2900_SDS ![]() |
| Legal Information: | NIST is a registered trademark of National Institute of Standards and Technology |
| Legal Information: | SRM is a registered trademark of National Institute of Standards and Technology |
| Other Notes: | Example analytes are listed below as a reference. Please download a current certificate at nist.gov/SRM for current analytes and certified values. Ethanol (C2H6O) See certificate for values and more details at nist.gov/SRM. |
| Symbol | ![]() GHS02,GHS07 |
| Signal word | Danger |
| Hazard statements | H225 - H319 |
| Precautionary statements | P210 - P305 + P351 + P338 |
| RIDADR | UN1170 - class 3 - PG 2 - Ethanol |
| WGK Germany | WGK 1 |
| Flash Point(F) | 49.5 °F - closed cup - (in |
| Flash Point(C) | 9.7 °C - closed cup - (in a |
| UNSPSC | 41116107 |



