SDS

Preen Lawn Weed Control Revision Date: 6/18/2015
Page 2 of 7
Chemical Name
CAS No.
Weight %
Dichlorophenoxyacetic acid (2,4-D)
94-75-7
1.37
R-2-(4- chloro-2-methylphenoxy) propionic acid (Mecoprop; MCPP)
16484-77-8
0.31
3,6-Dichloro-o-anisic acid (Dicamba)
1918-00-9
0.13
Diethylene glycol
111-46-6
1-2
Nonhazardous fillers
Various
Balance
Eye Contact Rinse eyes cautiously with plenty of water for several minutes. If discomfort or irritation persists
contact a physician.
Skin Contact Wash with soap and water. If injury occurs, or if discomfort or irritation persists contact a
physician.
Inhalation If inhaled and discomfort occurs, move to fresh air, and keep person at rest in a position
comfortable for breathing. If difficulty in breathing occurs and/or persists, administer oxygen and
get medical attention. If medical advice is needed, have product container or label on hand.
Ingestion Rinse mouth. Drink Plenty of water. If discomfort occurs, seek medical attention. Do not induce
vomiting of an unconscious person.
Self-protection of the first aider: Use any appropriate personal protective equipment as required to avoid breathing dust, and
to avoid eye and skin contact.
Most important symptoms and effects, both acute and delayed:
Symptoms: Dust irritation with nasal discomfort, or skin or eye irritation possible (on contact).
Indication of any immediate medical attention and special treatment needed: Treat Symptoms.
Suitable extinguishing media
Use extinguishing media suitable to local circumstances and the surrounding environment. Options in this case include water,
CO
2
, ABC Dry Chemical extinguisher, or foam. Avoid stirring up dust with water stream.
Specific hazards arising from the chemical
Do not breath dusts or fumes. May cause sensitization by inhalation or skin contact. Thermal decomposition can lead to
release of irritating and toxic gases and vapors.
Explosion data
Sensitivity to mechanical impact: None
Sensitivity to static discharge: None
Note: Excessive amounts of any burnable dusts can produce explosive mixtures if allowed to disperse in the air in confined
areas where ignition sources occur. Prevent excessive dust dispersal in areas of use, storage, or production.
Protective equipment and precautions for firefighters
As in any fire, wear self-contained breathing apparatus pressure-demand, MSHA/NIOSH (approved or equivalent) and
standard protective gear.
5. FIRE FIGHTING MEASURES
4. FIRST AID MEASURES
3. COMPOSITION/INFORMATION ON INGREDIENTS