Methane-d4
ALDRICH/490245 - 99 atom % D, 99% (CP)
CAS Number: 558-20-3
Empirical Formula (Hill Notation): CD4
Molecular Weight: 20.07
EC Number: 209-191-7
MDL Number: MFCD00084155
Linear Formula: CD4
Product Type: Chemical
| assay | 99% (CP) |
| bp | −161 °C (lit.) |
| InChI | 1S/CH4/h1H4/i1D4 |
| InChI key | VNWKTOKETHGBQD-JQYAHLJZSA |
| isotopic purity | 99 atom % D |
| mass shift | M+4 |
| mp | −183 °C (lit.) |
| SMILES string | [2H]C([2H])([2H])[2H] |
| vapor density | 0.55 (vs air) |
| Packaging: | 1 L in steel cylinder |
| Packaging: | Standard 1 L quantity is packaged in a 450 mL carbon steel lecture bottle  with brass CGA 110/180 valve . Nominal gas pressure at 21ºC is 20 psig for 1 L. This pressure is slightly above atmospheric pressure. Care must be taken when extracting this product from the cylinder. |
| Packaging: | This product may be available from bulk stock and can be packaged on demand. For information on pricing, availability and packaging, please contact Stable Isotopes Customer Service . |
| Recommended products: | Control valve Z146943 (brass, 1/4" hose outlet) or Z187224 (SS, 1/4" compression fitting outlet) PTFE sealing washers GCA inlet size 180 Z146994 PTFE sealing washers CGA inlet size 110 Z146986 |
| Symbol |   GHS02,GHS04,GHS02,GHS04 |
| Signal word | Danger-Danger |
| Hazard statements | H220 - H280 - H220 - H280 |
| Precautionary statements | P210 - P210 - P377 - P381 - P410 + P403 - P410 + P403 |
| Hazard Codes | F+ |
| Risk Statements | 12 |
| Safety Statements | 9-16-33 |
| RIDADR | UN 1971 2.1 |
| WGK Germany | WGK 3 |
| Flash Point(F) | -0.4 °F |
| Flash Point(C) | -18 °C |
| Purity | 99% (CP) |
| bp | −161 °C (lit.) |
| mp | −183 °C (lit.) |
| UNSPSC | 12142201 |