|1 Trade name||Manufacturer||Form|
|SHARPEN WG HERBICIDE||BASF AUSTRALIA LTD.||WATER DISPERSIBLE GRANULE|
3 ACTIVE INGREDIENTS: Saflufenacil 700g/kg4 CHEMICAL GROUP: G
5 RELATED HERBICIDES:
|Carfentrazone 240||Carfentrazone-ethyl 240g/L|
|Carfentrazone 400||Carfentrazone-ethyl 400g/kg|
|Oxyfluorfen||Oxyfluorfen 240g/L (or 500g/L)|
|Saflufenacil 700||Saflufenacil 700g/kg|
6 GENERAL DESCRIPTION:A post emergence, leaf and root absorbed, low residual, contact herbicide applied as spray in water and often mixed with other products such as glyphosate.
7 APPLICATION METHODS AND TIPS:Use a non ionic surfactant in most situations.
Best results in fine weather on moist soil when the weeds are growing actively.
Ensure uniform coverage as this is a contact herbicide.
APVMA regulations require the use of coarse droplets.
A record of use is also required in some areas.
Regulations require application when wind speed is between 3 and 20 kph and a downwind buffer of 100 m or 250 m if mixed with glyphosate.
Requires 10 mm rain for pre emergence activation.
Poorer control in cool, dull or foggy weather
8 WEATHER:Rainfast in 1 hour.
Wind: Little effect on efficacy. Application when wind is between 3 and 20 kph reduces drift risk.
Inversions: Don't apply during inversions due to risk of drift.
Temperature: Symptoms develop quicker under warm conditions.
Delta T and relative humidity:
9 ADJUVANTS:Wetting agents: A non ionic surfactant in used in most situations.
10 WATER QUALITY:Hard water:
11 COMPATIBILITY:Trace elements.
See HerbiGuide Compatibilities button.
12 EQUIPMENT:Boom sprays:
Carrier volume: 80-250 L/ha. Finer droplets may be needed for lower water volumes down to 30 L/ha.
Nozzles: Flat fan preferred.
Pressure: 150-400 kPa.
Droplet size: Coarse stipulated on label. Finer droplets provide better control of small weeds.
Aerial application:Carrier volume: 30 L/ha.
13 SPRAYER DECONTAMINATION:Clean Up:
Clean soon after spraying to reduce the risk of forming dried deposits that may be difficult to remove.
Remove filters and clean separately. Rinse with soapy water (e.g. 500 mL or g of Drive, Dynamo, Omo or Surf per 100 L water) or water plus 0.25% wetting agent and run through boom. Rinse with water.
Decontamination:Remove filters and clean separately.
Rinse with water and drain.
Quarter fill the tank with an alkali detergent (e.g. 500 mL or g of Drive, Dynamo, Omo, or Surf per 100 L water) and circulate for at least 15 minutes then run through boom. Rinse with water. Remove filters and clean separately. Replace them and rinse the whole system with water again.
14 HERBICIDE RESISTANCE:Tolerant plants are expected to occur and may dominate the weed population after repeated applications.
15 REPLANTING INTERVALS:
16 WITHHOLDING PERIODS:
17 RE-ENTRY PERIOD:Wear protective clothing if in contact with the crop before the spray has dried.
18 PROTECTIVE CLOTHING:Overalls, boots and washable hat. Use gloves and face shield when handling the concentrate.
19 SOIL:Soil texture:
Soil organic matter:
Soil moisture at application:
20 MODE OF ACTION:Disrupts membranes
It is in the pyrimidindiones group G. The mode of action is through a process of membrane disruption, which is initiated by the inhibition of the enzyme protoporphyrinogen oxidase. This inhibition interferes with the chlorophyll biosynthetic pathway.
It is activated by light.
Uptake and translocation:Rapidly absorbed by foliage.
Physiological effects:Some desiccation can usually be seen within a few hours of treatment and death within 4 days.
Residual Life and Breakdown:21 SELECTIVITY:
See plant back. Tolerance is better where sprayed soil is displaced from above the crop seed by the planting machine e.g. knife points are preferred.
Varietal sensitivities:Effect on Clover Species:
Effect on Medic Species:Kills medic
Effect on Lucerne:Kills young lucerne. Damages established lucerne.
Effect on Native Plants:22 DISEASE AND INSECT EFFECTS:
23 PLANT SYMPTOMS:
Some desiccation can usually be seen within a few hours of treatment and death within 4 days.
SECONDARY EFFECTS:24 TOXICITY:
Do NOT use if pregnant. May cause irritation to mucous membranes.
Details:SUSMP classification (Poison schedule): S5
Acute oral LD50: >2000 mg/kg (rat), [For comparison table salt is 3000 mg/kg]
Acute dermal LD50: >2000 mg/kg (rabbit).
Skin: Mild to not irritant. Not a sensitiser.
Eye: Mild to not irritant.
Vapour inhalation: LC50 >5.3 mg/L air (rat).
Not carcinogenic in animal studies (i.e. does not cause cancer problems in animal tests). The APVMA warns against use of this product if pregnant based on impaired development in rat studies. Development studies in rabbits did not show the same effects.
Chronic oral toxicity: NOEL 5 mg/kg for two years. Regular exposure may result in changes in haematology and the spleen.
Acceptable Daily Intake (ADI): 0.017 mg/kg/day
Other Species: Birds: toxicity.
Fish: Low toxicity. LC50 (96hr) for rainbow trout is >120 mg/L for saflufenacil. LC50 (96 h) > 100 mg/L (Oncorhynchus mykiss).
Invertebrates: Low toxicity. LC50 (48hr) for Daphnia magna is >100 mg/L for saflufenacil.
Algae: High toxicity. EC50 (72hr) for algae 0.108 mg/L for saflufenacil.
EC50 (72 h) 0.1157 mg/L (growth rate for Pseudokirchneriella subcapitata).
25 TOXICITY SYMPTOMS:26 FIRST AID:
If SWALLOWED: Do NOT induce vomiting. Wash out mouth with water. Do NOT give anything by mouth to a semiconscious or unconscious patient. Make every effort to prevent vomit from entering the lungs by careful
placement of the patient. Seek medical advice.
If in EYES: Hold eyelids open and wash eyes with plenty of water for 5 minutes, remove contact lenses if present and wash for a further 10 minutes. See a doctor if symptoms persist.
If on SKIN: Remove contaminated clothing. Wash skin thoroughly with soap and water.
If INHALED: Remove patient to fresh air. See a doctor if symptoms persist.
Advice to doctor: Treat symptomatically.
Contact the Poisons Information Centre on 131126.
27 ENVIRONMENTAL FATE:Very toxic to aquatic organisms and may cause long-term adverse effects in the aquatic environment.
Half life in soil: Typically 20 days.
Half life in water: days at pH5 and 35 C.
It has an EPA classification for soil mobility that ranges from
It has a leaching index of . (for comparison, trifluralin is 0-1 and chlorsulfuron is 25-30).
Ground water contamination: May leach.
Accumulation in milk and tissues:
Hydrolysis half life:
Biodegradation rate: Not readily biodegradable (by OECD criteria).
Bioconcentration factor (BCF):
Because of the n-octanol/water distribution coefficient (log Pow) accumulation in organisms is not to be expected.
28 REGISTERED CROPS:See HerbiGuide Species Solution tab.
29 REGISTERED WEEDS:See HerbiGuide Species Solution tab.
30 REGULATION AND LEGAL:UN number: 3077
CAS numbers: 372137-35-4
OPP Chemical Code:
Hazchem code: 2Z
Hazard symbol: Xn Harmful. N Dangerous to the environment.
NOHSC classification: Hazardous substance.
Land transport: ADG
Dangerous goods class (ADG): Dangerous good.
Sea transport: IMDG
Proper shipping name: ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. (contains saflufenacil)
International Maritime Dangerous Goods Code (IMDG):
Packaging group: III
Hazard label: 9, EHSM.
Marine pollutant: Yes.
Air transport: IATA/ICAO
Hazard class: 9
Packing group: III
ID number: UN 3077
Hazard label: 9, EHSM
Proper shipping name:
ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. (contains SAFLUFENACIL)
Classified as hazardous
R63 Possible risk of harm to the unborn child.
R50/53 Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S1/2 Keep locked up and out of reach of children.
S13 Keep away from food, drink and animal feeding stuffs.
S26 In case of contact with eyes, rinse immediately with plenty of water and
seek medical advice.
S36/37/39 Wear suitable protective clothing, gloves and eye/face protection.
S46 If swallowed, seek medical advice immediately and show this container or
S35 This material and its container must be disposed of in a safe way.
S57 Use appropriate container to avoid environmental contamination.
31 PROPERTIES:Colour: Light brown extruded granules.
Water solubility: Disperses in water.
Octanol:Water ratio: LogPow = 2.6 at 26 C at pH 1.7.
Soil organic carbon absorption coefficient (Koc):
Vapour Pressure: at 25 C.
Vapour density: Non volatile.
Dissociation constant: pKa
Melting point: 189.9-193.4C.
Boiling point: C.
Bulk density: 540-645 kg/m3 apparent density after tamping..
pH: 4-6 at 1% solution.
Flammability: Not highly flammable. Not explosive.
Shelf Life: years. Stable under normal conditions.
(When Stored under Ideal Conditions)
32 SPILLS:Recover the product by sweeping up or vacuuming without raising dust.
Extinguish possible sources of ignition.
Ventilate area after cleanup.
33 FIRE:Extinguish with water spray, foam, carbon dioxide or dry agent.
Toxic fumes may be released in fire. Wear breathing apparatus or avoid smoke.
Avoid strong water jets - airborne dusts may form a flammable dust cloud.
May emit toxic smoke and fumes if involved in fires or exposed to extreme heat.
34 COMMENTS:35 REFERENCES:
Ashton, F.M. and Crafts, A.S. (1981) Mode of Action of Herbicides. (Wiley-Interscience publication).
Kearney, P.C. and Kaufman, D.D. (1976). Herbicides. Chemistry, degradation and mode of action. Vol 1 & 2.
Acknowledgments:Collated by HerbiGuide. For more information see www.herbiguide.com.au or phone 08 98444064.