ANSI Material Safety Data Sheet
Material Safety Data Sheet # 311
Hercules Chemical Company Inc. 
111 South Street 
Passaic NJ 07055-7398 
Information Telephone: 1-800 221-9330 
Internet: www.herchem.com 
NFPA  
HMIS  
PPE  
Transport Symbol  
Preparation Date 07-Jul-2006 
Revision Date 30-Mar-2007 
Revision Number NOT AUTHORIZED
 Hercules Boiler Liquid – MSDS # 311 
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1.  PRODUCT AND COMPANY IDENTIFICATION 
Product Name 
Hercules Boiler Liquid 
Recommended Use 
Leak stop 
Supplier Address  
Hercules Chemical Company, Inc. 
111 South St. 
Passaic, NJ 07055 
TEL: 973-778-5000 
Company Emergency Phone Number 
1-800-221-9330 
Emergency Telephone Number 
Chemtrec 1-800-424-9300 
2. HAZARDS IDENTIFICATION 
Emergency Overview 
The product contains no substances which at their given concentration, are considered to be hazardous to health 
Appearance Red brown 
Physical State Liquid 
Odor Pleasant
Potential Health Effects  
Principle Routes of Exposure 
Skin contact, Eye contact. 
Acute Effects 
  Eyes 
Contact with eyes may cause irritation. 
  Skin 
Substance may cause slight skin irritation. 
  Inhalation 
Not an expected route of exposure. 
  Ingestion 
No known effect based on information supplied 
Chronic Effects 
No known effect based on information supplied 
Aggravated Medical Conditions 
None known 
Potential Environmental Effects 
See Section 12 for additional Ecological information 






