--- title: SDS - Bayer Ronstar Turf and Ornamental Herbicide - 211029 canonical: https://fernland.com.au/documents/390/ dateModified: 2026-08-04 03:00:49 summary: Safety Data Sheet type: sds --- # SDS - Bayer Ronstar Turf and Ornamental Herbicide - 211029 > Safety Data Sheet Safety Data Sheet Ronstar® Turf and Ornamental Herbicide 1/11 Version 2 / AUS Revision Date: 29.10.2021 102000001758 Print Date: 29.10.2021 SECTION 1: IDENTIFICATION OF THE MATERIAL AND SUPPLIER 1.1 Product identifier Trade name Ronstar® Turf and Ornamental Herbicide Product code (UVP) 05924065 1.2 Relevant identified uses of the substance or mixture and uses advised against Use Herbicide Emergency telephone no. IXOM Operations Pty Ltd SECTION 2. HAZARDS IDENTIFICATION 2.1 Classification of the substance or mixture Classification in accordance with Australian GHS Regulation Carcinogenicity: Category 2 H351 Suspected of causing cancer. Specific target organ toxicity - repeated exposure: Category 2 H373 May cause damage to organs through prolonged or repeated exposure if inhaled. Acute aquatic toxicity: Category 1 H400 Very toxic to aquatic life. Chronic aquatic toxicity: Category 1 H410 Very toxic to aquatic life with long lasting effects. 2.2 Label elements Labelling according to specific Australian legislation Hazard label for supply/use required. Signal word: Warning Hazard statements H351 Suspected of causing cancer. H373 May cause damage to organs through prolonged or repeated exposure if inhaled. Precautionary statements P202 Do not handle until all safety precautions have been read and understood. P260 Do not breathe dust. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection. P308 + P313 IF exposed or concerned: Get medical advice/ attention. P314 Get medical advice/ attention if you feel unwell. P405 Store locked up. P501 Dispose of contents/container in accordance with local regulation. 2.3 Other hazards No additional hazards known beside those mentioned. SECTION 3. COMPOSITION/INFORMATION ON INGREDIENTS Chemical nature Oxadiazon 20g/kg Granule (GR) | Chemical name | CAS-No. | Concentration [%] | | :--- | :--- | :--- | | oxadiazon | 19666-30-9 | 2.00 | | Solvent Naphtha (petroleum), heavy aromatic | 64742-94-5 | >= 1.00 - = 1.00 - = 50.00 | | Other ingredients (non-hazardous) to 100% | | | SECTION 4. FIRST AID MEASURES If poisoning occurs, immediately contact a doctor or Poisons Information Centre (telephone 13 11 26), and follow the advice given. Show this Safety Data Sheet to the doctor. 4.1 Description of first aid measures General advice Remove contaminated clothing immediately and dispose of safely. Inhalation Move the victim to fresh air and keep at rest. Call a physician or poison control center immediately. Skin contact Wash off thoroughly with plenty of soap and water, if available with polyethyleneglycol 400, subsequently rinse with water. Call a physician or poison control center immediately. Eye contact Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes. Remove contact lenses, if present, after the first 5 minutes, then continue rinsing eye. Call a physician or poison control center immediately. Ingestion Keep at rest. Rinse mouth. Do NOT induce vomiting. Call a physician or poison control center immediately. 4.2 Most important symptoms and effects, both acute and delayed Symptoms No symptoms known or expected. 4.3 Indication of any immediate medical attention and special treatment needed Treatment Local treatment: Initial treatment: symptomatic. Systemic treatment: Initial treatment: symptomatic. Gastric lavage is not normally required. However, if a significant amount (more than a mouthful) has been ingested, administer activated charcoal and sodium sulphate. There is no specific antidote. SECTION 5. FIRE FIGHTING MEASURES 5.1 Extinguishing media Suitable Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide. 5.2 Special hazards arising from the substance or mixture In the event of fire the following may be released:, Hydrogen chloride (HCl), Nitrogen oxides (NOx), Carbon monoxide (CO), Carbon dioxide (CO2) 5.3 Advice for firefighters Special protective equipment for firefighters In the event of fire and/or explosion do not breathe fumes. Wear self-contained breathing apparatus and protective suit. Further information Evacuate personnel to safe areas. 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 diking area with sand or earth. Collect contaminated fire extinguishing water separately. This must not be discharged into drains. Hazchem Code 2Z SECTION 6. ACCIDENTAL RELEASE MEASURES 6.1 Personal precautions, protective equipment and emergency procedures Precautions Avoid dust formation. Avoid contact with spilled product or contaminated surfaces. When dealing with a spillage do not eat, drink or smoke. Use personal protective equipment. Keep unauthorized people away. 6.2 Environmental precautions Do not allow to get into surface water, drains and ground water. 6.3 Methods and materials for containment and cleaning up Methods for cleaning up Avoid dust formation. Collect and transfer the product into a properly labelled and tightly closed container. Clean contaminated floors and objects thoroughly, observing environmental regulations. Additional advice Check also for any local site procedures. 6.4 Reference to other sections Information regarding safe handling, see section 7. Information regarding personal protective equipment, see section 8. Information regarding waste disposal, see section 13. SECTION 7. HANDLING AND STORAGE 7.1 Precautions for safe handling Advice on safe handling Use only in area provided with appropriate exhaust ventilation. Advice on protection against fire and explosion Dust may form explosive mixture in air. Avoid dust formation by friction. Take measures to prevent the build up of electrostatic charge. Hygiene measures Avoid contact with skin, eyes and clothing. Keep working clothes separately. Wash hands thoroughly with soap and water after handling and before eating, drinking, chewing gum, using tobacco, using the toilet or applying cosmetics. After each day's use, wash gloves, face shield or goggles and contaminated clothing. 7.2 Conditions for safe storage, including any incompatibilities Requirements for storage areas and containers Store in original container. Store in a place accessible by authorized persons only. Keep out of the reach of children. Keep containers tightly closed in a dry, cool and well-ventilated place. Keep away from direct sunlight. Advice on common storage Keep away from food, drink and animal feedingstuffs. SECTION 8. EXPOSURE CONTROLS / PERSONAL PROTECTION 8.1 Control parameters | Components | CAS-No. | Control parameters | Update | Basis | | :--- | :--- | :--- | :--- | :--- | | oxadiazon | 19666-30-9 | 0.3 mg/m3 (TWA) | | OES BCS* | | Crystalline quartz (respirable) (Respirable dust.) | 14808-60-7 | 0.05 mg/m3 (TWA) | 12 2019 | AU NOEL | *OES BCS: Internal Bayer AG, Crop Science Division "Occupational Exposure Standard" 8.2 Exposure controls Respiratory protection Wear respirator with a particle filter mask (protection factor 20) conforming to European Norm EN149FFP3 or EN140P3 or equivalent. Hand protection Please observe the instructions regarding permeability and breakthrough time which are provided by the supplier of the gloves. Also take into consideration the specific local conditions under which the product is used, such as the danger of cuts, abrasion, and the contact time. Wash gloves when contaminated. Dispose of when contaminated inside, when perforated or when contamination on the outside cannot be removed. Wash hands frequently and always before eating, drinking, smoking or using the toilet. Material Nitrile rubber Break through time > 480 min Glove thickness > 0.4 mm Protective index Class 6 Directive Protective gloves complying with EN 374. Eye protection Safety glasses with side-shields Skin and body protection Wear standard coveralls and Category 3 Type 4 suit. If there is a risk of significant exposure, consider a higher protective type suit. Wear two layers of clothing wherever possible. Polyester/cotton or cotton overalls should be worn under chemical protection suit and should be professionally laundered frequently. General protective measures In normal use and handling conditions please refer to the label and/or leaflet. In all other cases the above mentioned recommendations would apply. Engineering Controls Advice on safe handling Use only in area provided with appropriate exhaust ventilation. SECTION 9. PHYSICAL AND CHEMICAL PROPERTIES 9.1 Information on basic physical and chemical properties Form granular Colour light brown Odour weak, characteristic Odour Threshold No data available pH No data available Melting point/range No data available Boiling Point No data available Flash point No data available Flammability No data available Auto-ignition temperature No data available Thermal decomposition Stable under normal conditions. Minimum ignition energy No data available Self-accelarating decomposition temperature (SADT) No data available Upper explosion limit No data available Lower explosion limit No data available Vapour pressure No data available Evaporation rate No data available Relative vapour density No data available Relative density No data available Density No data available Bulk density ca. 0.67 g/ml (loose) Water solubility miscible Partition coefficient: n-octanol/water No data available Viscosity, dynamic No data available Viscosity, kinematic No data available Oxidizing properties No data available Explosivity No data available 9.2 Other information Further safety related physical-chemical data are not known. SECTION 10. STABILITY AND REACTIVITY 10.1 Reactivity Stable under normal conditions. 10.2 Chemical stability Stable under recommended storage conditions. 10.3 Possibility of hazardous reactions No hazardous reactions known. 10.4 Conditions to avoid Exposure to moisture. Elevated temperatures 10.5 Incompatible materials Strong acids, Strong bases, Strong oxidizing agents 10.6 Hazardous decomposition products Thermal decomposition can lead to release of: Hydrogen chloride (HCl), Nitrogen oxides (NOx), Oxides of carbon SECTION 11. TOXICOLOGICAL INFORMATION 11.1 Information on toxicological effects Acute oral toxicity ATE (Mix) > 2,000 mg/kg Calculation method Acute inhalation toxicity ATE (Mix) > 5.0 mg/l Exposure time: 4 h Calculation method Acute dermal toxicity ATE (Mix) > 2,000 mg/kg Calculation method Skin corrosion/irritation No skin irritation (Rabbit) Calculation method Serious eye damage/eye irritation Minimally irritating. (Rabbit) Calculation method Respiratory or skin sensitisation Skin: Non-sensitizing. The information is derived from the properties of the individual components. Assessment mutagenicity Oxadiazon was not mutagenic or genotoxic based on the overall weight of evidence in a battery of in vitro and in vivo tests. Assessment carcinogenicity Oxadiazon caused at high dose levels an increased incidence of tumours in in the following organ(s): Liver. The mechanism that triggers tumours in rodents and the type of tumours observed are not relevant to humans. Assessment toxicity to reproduction Oxadiazon caused reproduction toxicity in a two-generation study in rats only at dose levels also toxic to the parent animals. The reproduction toxicity seen with Oxadiazon is related to parental toxicity. Assessment developmental toxicity Oxadiazon caused developmental toxicity only at dose levels toxic to the dams. The developmental effects seen with Oxadiazon are related to maternal toxicity. Assessment STOT Specific target organ toxicity – single exposure Oxadiazon: Based on available data, the classification criteria are not met. Assessment STOT Specific target organ toxicity – repeated exposure Oxadiazon caused specific target organ toxicity in experimental animal studies in the following organ(s): Liver, Blood. The observed effects do not appear to be relevant for humans. Aspiration hazard Based on available data, the classification criteria are not met. Information on likely routes of exposure May cause upper respiratory tract irritation. Low acute oral toxicity. This product or its components may have target organ effects., This product or its components may have long term (chronic) health effects. May cause irritation. Early onset symptoms related to exposure Refer to Section 4 Delayed health effects from exposure Refer to Section 11 Exposure levels and health effects Refer to Section 4 Interactive effects Not known When specific chemical data is not available Not applicable Mixture of chemicals Refer to Section 2.1 SECTION 12. ECOLOGICAL INFORMATION 12.1 Toxicity Toxicity to fish LC50 (Oncorhynchus mykiss (rainbow trout)) 1.2 mg/l Exposure time: 96 h The value mentioned relates to the active ingredient oxadiazon. Toxicity to aquatic invertebrates EC50 (Daphnia magna (Water flea)) > 2.4 mg/l Exposure time: 48 h The value mentioned relates to the active ingredient oxadiazon. Toxicity to aquatic plants EC50 (Desmodesmus subspicatus (green algae)) 0.00423 mg/l Growth rate; Exposure time: 120 h The value mentioned relates to the active ingredient oxadiazon. 12.2 Persistence and degradability Biodegradability Oxadiazon: Not rapidly biodegradable Koc Oxadiazon: Koc: 1294 12.3 Bioaccumulative potential Bioaccumulation Oxadiazon: Bioconcentration factor (BCF) 243 Does not bioaccumulate. 12.4 Mobility in soil Mobility in soil Oxadiazon: Slightly mobile in soils 12.5 Other adverse effects Additional ecological information No other effects to be mentioned. SECTION 13. DISPOSAL CONSIDERATIONS Shake empty bag into granule applicator. DO NOT dispose of undiluted chemicals on site. Puncture, shred and bury empty containers in a local authority landfill. If no landfill is available bury the empty containers below 500 mm in a disposal pit specifically marked and set up for this purpose clear of waterways, desirable vegetation and tree roots. Empty containers and product should not be burnt. Dispose of waste product via a reputable disposal contractor". SECTION 14. TRANSPORT INFORMATION ADG UN number 3077 Transport hazard class(es) 9 Subsidiary Risk None Packaging group III Description of the goods ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. (OXADIAZON MIXTURE) Hazchem Code 2Z AU01: Environmentally Hazardous Substances meeting the descriptions of UN 3077 or UN 3082 are not subject to this Code when transported by road or rail in; a) packagings that do not incorporate a receptacle exceeding 500 kg(L); or b) IBCs IMDG UN number 3077 Transport hazard class(es) 9 Subsidiary Risk None Packaging group III Marine pollutant YES Description of the goods ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. (OXADIAZON MIXTURE) IATA UN number 3077 Transport hazard class(es) 9 Subsidiary Risk None Packaging group III Environm. Hazardous Mark YES Description of the goods ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. (OXADIAZON MIXTURE ) SECTION 15. REGULATORY INFORMATION Australian Pesticides and Veterinary Medicines Authority approval number: 62461 SUSMP classification (Poison Schedule) Schedule 6 (Standard for the Uniform Scheduling of Medicines and Poisons) SECTION 16. OTHER INFORMATION Trademark information Ronstar® is a Registered Trademark of the Bayer Group. Abbreviations and acronyms ADN European Agreement concerning the International Carriage of Dangerous Goods by Inland Waterways ADR European Agreement concerning the International Carriage of Dangerous Goods by Road ATE Acute toxicity estimate AU OEL Australia. OELs. (Adopted National Exposure Standards for Atmospheric Contaminants in the Occupational Environment) CAS-Nr. Chemical Abstracts Service number CEILING Ceiling Limit Value Conc. Concentration EC-No. European community number ECx Effective concentration to x % EINECS European inventory of existing commercial substances ELINCS European list of notified chemical substances EN European Standard EU European Union IATA International Air Transport Association IBC International Code for the Construction and Equipment of Ships Carrying Dangerous Chemicals in Bulk (IBC Code) ICx Inhibition concentration to x % IMDG International Maritime Dangerous Goods LCx Lethal concentration to x % LDx Lethal dose to x % LOEC/LOEL Lowest observed effect concentration/level MARPOL MARPOL: International Convention for the prevention of marine pollution from ships N.O.S. Not otherwise specified NOEC/NOEL No observed effect concentration/level OECD Organization for Economic Co-operation and Development OES BCS OES BCS: Internal Bayer AG, Crop Science Division "Occupational Exposure Standard" PEAK PEAK: Exposure Standard - Peak means a maximum or peak airborne concentration of a particular substance determined over the shortest analytically practicable period of time which does not exceed 15 minutes. RID Regulations concerning the International Carriage of Dangerous Goods by Rail SK-SEN Skin sensitiser SKIN_DES SKIN_DES: Skin notation: Absorption through the skin may be a significant source of exposure. STEL STEL: Exposure standard - short term exposure limit (STEL): A 15 minute TWA exposure which should not be exceeded at any time during a working day even if the eight-hour TWA average is within the TWA exposure standard. Exposures at the STEL should not be longer than 15 minutes and should not be repeated more than four times per day. There should be at least 60 minutes between successive exposures at the STEL. TWA TWA: Exposure standard - time-weighted average (TWA): The average airborne concentration of a particular substance when calculated over a normal eight-hour working day, for a five-day working week. TWA Time weighted average UN United Nations WHO World health organisation This SDS summarises our best knowledge of the health and safety hazard information of the product and how to safely handle and use the product in the workplace. Each user should read this SDS and consider the information in the context of how the product will be handled and used in the workplace including in conjunction with other products. If clarification or further information is needed to ensure that an appropriate risk assessment can be made, the user should contact this company. Our responsibility for products sold is subject to our standard terms and conditions, a copy of which is sent to our customers and is also available on request. Reason for Revision: Safety Data Sheet according to Regulation (EU) No. 2015/830. The following sections have been revised: Section 2: Hazards Identification. Section 3: Composition / Information on Ingredients. Section 4: First Aid Measures. Section 5: Fire Fighting Measures. Section 6. Accidental Release Measures. Section 7: Handling and Storage. Section 8: Exposure Controls / Personal Protection. Section 11: Toxicological Information. Changes since the last version are highlighted in the margin. This version replaces all previous versions.