Isotopic standard for chlorine
SIAL/NIST975A - NIST® SRM® 975a
Synonym: Sodium chloride; Halite; NaCl
CAS Number: 7647-14-5
Empirical Formula (Hill Notation): NaCl
Molecular Weight: 58.44
MDL Number: MFCD00003477
Linear Formula: NaCl
Product Type: Chemical
| format | neat |
| grade | certified reference material |
| InChI | 1S/ClH.Na/h1H;/q;+1/p-1 |
| InChI key | FAPWRFPIFSIZLT-UHFFFAOYSA |
| isotopic purity | 35Cl |
| 37Cl | |
| manufacturer/tradename | NIST® |
| mp | 801 °C (lit.) |
| packaging | pkg of 0.25 g |
| Quality Level | 100  |
| SMILES string | [Na+].[Cl-] |
| technique(s) | mass spectrometry (MS): suitable |
| Application: | The Standard Reference Material (SRM) Isotopic standard for chlorine is intended for use as an isotopic standard. |
| Features and Benefits: | • Accompanied with certified values for the absolute abundance ratio of 35Cl/37Cl and isotopic compositions of 35Cl and 37Cl. • Maintenance and expiration of SRM certification, instructions for use are provided on NIST certificate. |
| General description: | SRM 975a contains 0.25 g of sodium chloride (NaCl) with a purity of 99.89% by mass. For more information, please refer to the COA and SDS. SRM 975A_cert  SRM 975A_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. Chlorine-35 (Cl), Chlorine-37 (Cl) See certificate for values and more details at nist.gov/SRM. |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| mp | 801 °C (lit.) |
| UNSPSC | 12352302 |