MSDS/SDS does not have a definite expiration date. But MSDS/SDS are not set in stone. The MSDS/SDS should be updated in time if:
1. When the regulatory basis and requirements formulated by SDS/MSDS are changed;
2. When the substance/ratio/composition of the product targeted by SDS/MSDS changes;
3. When the products targeted by SDS/MSDS are found to
MSDS/SDS does not have a definite expiration date. But MSDS/SDS are not set in stone. The contents of MSDS/SDS must be updated in time when the following situations occur:
1. When the regulatory basis and requirements of SDS/MSDS are changed;
2. When the substance/ratio/composition of the product targeted by SDS/MSDS changes;
3. When the product targeted by SDS/MSDS is found to have a new hazard;
4. When the toxicological information/ecological information of the SDS/MSDS for the substance is updated.