Nitrogen
ALDRICH/295574 - ≥99.998%
Synonym: Nitrogen gas
CAS Number: 7727-37-9
Empirical Formula (Hill Notation): N2
Molecular Weight: 28.01
EC Number: 231-783-9
MDL Number: MFCD00011416
Linear Formula: N2
Product Type: Chemical
| agency | suitable for DIN 38407-42 |
| application(s) | PFAS testing |
| assay | ≥99.998% |
| bp | −196 °C (lit.) |
| impurities | ≤3 ppm water |
| ≤5 ppm oxygen | |
| InChI | 1S/N2/c1-2 |
| InChI key | IJGRMHOSHXDMSA-UHFFFAOYSA |
| mp | −210 °C (lit.) |
| Quality Level | 100  |
| SMILES string | N#N |
| vapor density | 0.97 (vs air) |
| Legal Information: | Aldrich is a registered trademark of Sigma-Aldrich Co. LLC |
| Other Notes: | See Technical Information Bulletin AL-151 Gas Regulators: Selection, Installation, and Operation |
| Packaging: | 56 L in steel cylinder |
| Packaging: | Supplied in a carbon steel lecture bottle with a CGA180M/CGA110F needle valve installed. Compatible with the following:• Aldrich® lecture-bottle station systems • Aldrich® lecture-bottle gas regulators |
| Symbol |  GHS04 |
| Signal word | Warning |
| Hazard statements | H280 |
| Precautionary statements | P410 + P403 |
| RIDADR | UN1066 - class 2 - Nitrogen, compressed |
| WGK Germany | nwg |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99.998% |
| bp | −196 °C (lit.) |
| mp | −210 °C (lit.) |
| UNSPSC | 12142100 |