Sulfur in di-n-butyl sulfide
SIAL/NIST2720 - NIST® SRM® 2720
Synonym: Dibutyl sulfide; 1,1′-Thiobisbutane; Butyl sulfide; NSC 8460
CAS Number: 544-40-1
Empirical Formula (Hill Notation): C8H18S
Molecular Weight: 146.29
MDL Number: MFCD00009468
Linear Formula: CH3(CH2)3S(CH2)3CH3
Product Type: Chemical
| application(s) | petroleum |
| bp | 188-189 °C (lit.) |
| density | 0.838 g/mL at 25 °C (lit.) |
| format | matrix material |
| grade | certified reference material |
| InChI | 1S/C8H18S/c1-3-5-7-9-8-6- |
| InChI key | HTIRHQRTDBPHNZ-UHFFFAOYSA |
| manufacturer/tradename | NIST® |
| mp | −76 °C (lit.) |
| packaging | pkg of 5 x 4.5 mL |
| Quality Level | 100  |
| refractive index | n |
| SMILES string | CCCCSCCCC |
| technique(s) | XRF: suitable |
| vapor density | 5.07 (vs air) |
| vapor pressure | 5.17 mmHg ( 37.7 °C) |
| Application: | The Standard Reference Material (SRM) is primarily intended for use as an internal standard in X-ray fluorescence spectrometry (XRF) for measuring sulfur in oils and other liquid hydrocarbon matrices. |
| Features and Benefits: | • NIST certified value for sulfur content is reported based on analyses by isotope dilution thermal ionization mass spectrometry (ID-TIMS) • Maintenance and expiration of SRM certificate, instructions for use are provided on the NIST certificate. |
| General description: | One unit of SRM 2720 comprises five amber ampoules, each containing approximately 4.5 mL of di-n-butyl sulfide, sealed in an argon atmosphere. For more information, please refer to the COA and SDS. SRM 2720_cert  SRM 2720_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. Sulfur (S) See certificate for values and more details at nist.gov/SRM. |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 2 |
| Flash Point(F) | 141.8 °F |
| Flash Point(C) | 61 °C |
| bp | 188-189 °C (lit.) |
| mp | −76 °C (lit.) |
| Density | 0.838 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 41116107 |