Extract all relevant entities from this text: "SECTION 1.  IDENTIFICATION 
Product Name  : ASCENT™ DC-2551 CATALYST
SDS Number  : 21302 
Manufacturer or supplier's details 
Manufacturer/Supplier  : Shell Catalysts & Technologies LP 
Shell Technology Center Houston 
3333 Highway 6 South 
Houston, TX 77082 (USA) 
+1 281-544-8888 
Emergency Telephone Number
  : CHEMTREC (US): +1-************ 
    CHEMTREC (International): +1-703-527-3887 Recommended use of the chemical and restrictions on use 
Recommended use  : Hydrotreating Catalyst"