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Safety Data Sheet Certis
Ronstar 2G
Prepared 13.01.2004 Page 1 of 5
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1. Substance / preparation and company name
Ronstar 2G
Use of the Substance/ Preparation
Horticultural herbicide
Company identification
Certis
1b Mills Way, Boscombe Down Business Park, Amesbury, Wiltshire. SP4 7RX
Telephone: 01980 676500 Fax: 01980 626555
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2. Composition / information on ingredients
Chemical name Concentration (%) CAS Symbol R-phrases
Oxadiazon 2.0 019666-30-9 N R50/53
Diacetone alcohol >5.00 - <25.00 123-42-2 Xi R36
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3. Possible hazards
Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
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4. First aid measures
General advice: Remove contaminated, soaked clothing immediately and dispose of safely.
Inhalation: Move the patient to fresh air and keep at rest. If symptoms persist, seek medical advice.
Skin contact: Wash off immediately with soap and plenty of water. Seek medical advice if at all worried.
Eye contact: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
Ingestion: Do not induce vomiting. Wash out mouth with water. Keep at rest. Obtain medical attention.
Notes to physician
Symptoms: Local: May cause skin and eye irritation.
Symptoms: Systemic: To date no symptoms are known.
Treatment: Local treatment: Initial treatment should be symptomatic and supportive.
Treatment: Systemic treatment: Initial treatment should be symptomatic and supportive.
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5. Fire fighting measures
Suitable extinguishing media: Water spray jet, carbon dioxide (CO2), dry powder, foam
Extinguishing media which must not be used for safety reasons: Product itself is non-combustibel; fire
extinguishing measures to suit surroundings.
Specific hazards during fire fighting: In case of fire the evolution of dangerous gases is possible.
Special protective equipment for fire-fighters: In the event of fire and/or explosion do not breathe fumes.
Wear self contained breathing apparatus for fire-fighting if necessary.
Further information: Remove product from areas of fire, or otherwise cool containers with water in order to
avoid pressure being built up due to heat. Whenever possible, contain fire-fighting water by bunding area with
sand or earth.
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Safety Data Sheet Certis
Ronstar 2G
Prepared 13.01.2004 Page 2 of 5
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6. Accidental release measures
Personal precautions: Avoid dust formation. Avoid contact with spilled product or contaminated surfaces.
When dealing with a spillage, do not eat, drink or smoke.
Environmental precautions: Keep people and animals away. Do not discharge into the drains/ surface water/
groundwater. If spillage enters drains leading to sewage works inform local water company immediately. If
spillage enters rivers or watercourses, inform the Environment Agency (emergency telephone number 0800
807060).
Methods for cleaning up: Vacuum up spilled product Transfer collected material to heavy duty plastic drums
and keep safe for disposal. Clean contaminated floors and objects thoroughly, observing environmental
regulations.
Additional advice: Information regarding safe handling, see section 7. Information regarding personal
protective equipment, see section 8. Information regarding waste disposal, see section 13. Check also for any
local site procedures.
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7. Handling and storage
Handling:
Advice on safe handling: No specific precautions required when handling unopened packs/ containers; follow
relevant manual handling advice. Avoid dust formation. Provide good ventilation of working area (local exhaust
ventilation if necessary).
Advice on protection against fire and explosion: The product is not combustible.
Storage:
Requirements for storage areas and containers: Keep containers tightly closed in a dry and well-ventilated
place. Store in a place accessible by authorised persons only.
Further information on storage conditions: Protect against heat and direct sunlight. Protect against
moisture.
Advice on common storage: Keep away from food, drink and animal feedingstuffs.
Storage temperature: 0-30掳C
Suitable materials: Keep in original packaging, tightly closed.
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8. Exposure controls / personal protection
Refer to COSHH assessment (Control of Substances Hazardous to Health Regulations 1999 as amended).
Engineering controls should be used in preference to personal protective equipment wherever practicable.
Components with workplace control parameters
Components CAS No Control parameters Update Basis
241 mg/m3 (TWA)
Diacetone alcohol 123-42-2 2001 EH40 OES
362 mg/m3 (STEL) 2001 EH40 OES
Personal protective equipment
Respiratory protection: Dust mask
Hand protection: Chemical resistant gloves, PVC gloves, nitrile gloves.
Eye protection: Chemical resistant goggles must be worn.
Skin and body protection: Light protective clothing, PVC. PVC boots.
Hygiene measures: When using, do not eat, drink or smoke. Remove soiled clothing immediately. Remove
soaked clothing immediately. Clean hands and face at work intervals and after work. Work in adequately
ventilated room.
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Safety Data Sheet Certis
Ronstar 2G
Prepared 13.01.2004 Page 3 of 5
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9. Physical and chemical properties
Form: Water-dispersible granules
Colour: Grey-beige
ca. 0.67 g/cm3; note: tapped
Density:
Water solubility: Note: miscible
Partition coefficient
(n-octanol/ water): log Pow: 5.33; note: the value mentioned relates to the active
ingredient oxadiazon
Other information: The product is not combustible
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10. Stability and reactivity
Conditions to avoid: Extremes of temperature and direct sunlight.
Materials to avoid: None.
Hazardous reactions: No hazardous reactions when stored and handled according to prescribed instructions.
Note: stable under normal conditions.
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11. Toxicological information
Acute oral toxicity: LD50 (rat) >5000 mg/kg
Acute inhalation toxicity: LC50 (rat) >1.94 mg/l
Exposure time: 4h
Acute dermal toxicity: LD50 (rat) >2000 mg/kg
Skin irritation: rabbit
Result: Mildly irritant
Eye irritation: rabbit
Result: Mild eye irritation
Sensitization: guinea pig
Result: Non-sensitizing
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Safety Data Sheet Certis
Ronstar 2G
Prepared 13.01.2004 Page 4 of 5
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12. Ecological information
Elimination information
Bioaccumulation: Bluegill sunfish
Bioconcentration factor (BCF): 1,111
Test substance: the value mentioned relates to the active ingredient
oxadiazon
Ecotoxicity effects:
Toxicity to fish: LC50: 1.5 mg/l
Cyprinodon variegatus (sheepshead minnow)
Exposure time: 96h
Test substance: the value mentioned relates to the active ingredient
oxadiazon
Toxicity to fish: LC50: 1.2 mg/l
Bluegill sunfish
Exposure time: 96h
Test substance: the value mentioned relates to the active ingredient
oxadiazon
Toxicity to fish: LC50: 1.2 mg/l
Rainbow trout
Exposure time: 96h
Test substance: the value mentioned relates to the active ingredient
oxadiazon
Toxicity to daphnia: EC50: >2.4 mg/l
Water flea (Daphnia magna)
Exposure time: 48h
Test substance: the value mentioned relates to the active ingredient
oxadiazon
Toxicity to algae: EC50: 0.00318 mg/l
Algae
Exposure time: 120h
Test substance: the value mentioned relates to the active ingredient
oxadiazon
Toxicity to other organisms: LD50: >2150 mg/kg
Bobwhite quail
Test substance: the value mentioned relates to the active ingredient
oxadiazon
Toxicity to other organisms: LD50: 1040 mg/kg
Mallard duck
Test substance: the value mentioned relates to the active ingredient
oxadiazon
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Safety Data Sheet Certis
Ronstar 2G
Prepared 13.01.2004 Page 5 of 5
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13. Disposal considerations
Product: In accordance with current regulations may be taken to waste disposal site or incineration plant, after
consultation with site operator and/or with the responsible authority. Can be landfilled or incinerated, when in
compliance with local regulations. Advice may be obtained from the local waste regulation authority (part of the
Environment Agency in the UK).
Contaminated packaging: Packaging that cannot be cleaned should be disposed of as product waste. Empty
containers can be landfilled, when in compliance with the Environmental Protection (Duty of Care) Regulations
1991.
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14. Transport information
Not dangerous goods.
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15. Regulatory information
This product has been classified in accordance with The Chemicals (Hazard Information and Packaging for
Supply) Regulations 2002: CHIP3
Hazard symbols: None
Risk phrases: R52/53 Harmful to aquatic organisms, may cause long-term effects in the
aquatic environment
Safety phrases: S35 This material and its container must be disposed of in a safe way
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16. Other information
Text of R phrases mentioned in section 2:
R36 Irritating to eyes
R50/53 Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic
environment
Disclaimer
The above information is intended to give general health and safety guidance on the storage and transport of
the substance or product to which it relates. It is not intended to apply to the use of the substance or product
for which purposes the substance or product label and any appropriate technical usage literature available
should be consulted and any relevant licences, consents or approvals complied with. The requirements or
recommendations of any relevant site or working procedure, system or policy in force or arising from any risk
assessment involving the substance or product should take precedence over any of the guidance contained in
this safety data sheet where there i a difference in the information given. The information provided in this safety
data sheet is accurate at the date of publication and will be updated as and when appropriate. No liability will
be accepted for any injury loss or damage resulting from any failure to take account of information or advice
contained in this safety data sheet.
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