Common Name: Rumensin Premix
Chemical Name: Monensin, monosodium salt
Synonym(s): Monensin Block; Rumensin 60; Rumensin 80; Monensin Sodium Formulation; Monensin
Formulation; Monensin Premix
Trademarks(s): Romensin; Rumensin
Lilly Item Code(s): AF0322; AF0330; AF0342; AF0360; AF0480; AF1404; AF1406; AF1411;
MS8251; MS8252; MS8253; MS8255
See attached glossary for abbreviations.
Contains no hazardous components (one percent or greater) or carcinogens (one-tenth percent or greater)
not listed above.
Diluent may include rice hulls, limestone, corn meal, soybean mill run, wheat bran, or semolina.
Exposure Guidelines: Monensin sodium - LEG 15 micrograms/m3 TWA for 12 hours.
Grain dust - PEL 10 mg/m3 TWA. TLV 4 mg/m3 TWA for 8 or 12 hours (total). Lilly preferred
exposure limit is TLV.
Elanco Animal Health
Material Safety Data Sheet
Rumensin Premix
Effective Date: 18-Nov-2004
Section 1 - Chemical Product and Company
Manufacturer:
Elanco Animal Health
Division of Eli Lilly and Company
2001 West Main St
PO Box 708
Greenfield, IN 46140
Manufacturer's Emergency Phone:
1-800-428-4441
CHEMTREC:
1-800-424-9300 (North America)
1-703-527-3887 (International)
Section 2 - Composition / Information on Ingredients
Ingredient
CAS
Concentration %
Monensin Sodium
22373-78-0
2 - 22
Diluent
NA
65 - 83
Anti-dusting Oil
NAIF
1 - 3
Page 1 of 9
Rumensin Premix
UK - Maximum Exposure Limit 10 mg/m3 TWA (total) (Sens).
Ireland - Occupational Exposure Limit 10 mg/m3 TWA (Sens).
Limestone dust - PEL 5 mg/m3 TWA (respirable) and 15 mg/m3 TWA (total). TLV 10 mg/m3 TWA.
UK - Exposure Standard 4 mg/m3 TWA (respirable) and 10 mg/m3 TWA (total).
Ireland - Occupational Exposure Limit 4 mg/m3 TWA (respirable) and 10 mg/m3 TWA (total).
France - Occupational Exposure Limit 10 mg/m3 (VME) TWA.
The anti-dusting oil reduces potential exposure under normal conditions of use.
Appearance: Brown granular meal
Physical State: Solid
Odor: Musty
Routes of Entry: Inhalation and skin