SMFP is the shorten of many phrases. In Chemistry, it’s the shorten of the English pharas Sodium Monofluorophosphate, which is a widely used chemical in nowdays.

In the short name,
- S stands Sodium or Natrium. Both sodium and natrium mean the same metal element. Sodium is the English name, while the Natrium is the Latin name.
- MFP stands mono fluorophosphate. In some contexts, MFP stands full name of Sodium Monofluorophosphate too.
There are also a lot of sodium monofluorophosphate alternative names. And the largest consumption one is the toothpaste grade sodium monofluorophosphate.
To know more about this chemical. You can click the link what is sodium monofluorophosphate.