Thistrol

1 Trade nameManufacturerForm
Thistrol Gold Selective HerbicideNUFARM AUSTRALIA LIMITEDSOLUBLE CONCENTRATE

2 PRICE:

$17.5/L

3 ACTIVE INGREDIENTS: Flumetsulam10g+MCPA20g+MCPB300g/L

4 CHEMICAL GROUP: B,I,I

5 RELATED HERBICIDES:

2,4-D amine 5002,4-D Amine 500g/L
2,4-D amine 6252,4-D Amine 625g/L
2,4-D amine plus Dicamba2,4-D 333g/L + dicamba 166g/L
2,4-D ester 8002,4-D Ester 800g/L
2,4-D ester plus Garlon2,4-D ester 530g/L + triclopyr 200g/L
2,4-D LV ester2,4-D LV ester 680g/L (or600)
2,4-DB 5002,4-DB 500g/L
2,4-DB plus MCPA2,4-DB 200g/L + MCPA 250g/L
AccessPicloram 120g/L + triclopyr 240g/L
Aminopyralid plus picloram gelAminopyralid 4.47g/L+picloram 44.7g/L
BensulfuronBensulfuron 600g/kg
BroadstrikeFlumetsulam 800g/kg
ChlorsulfuronChlorsulfuron 750g/kg
CrusaderPyroxsulam 215g/kg + cloquintocet-mexyl 451.5g/kg
CrusaderPyroxsulam 30g/L + cloquintocet-mexyl 90g/L
Dicamba 25 plus MCPA 150Dicamba 25g/L + MCPA 150g/L
Dicamba 500Dicamba 500g/L
Dicamba 700Dicamba 700g/kg (or 750 g/kg)
Dicamba plus MCPADicamba 80g/L + MCPA 340g/L
EclipseMetosulam 100g/L
ExpressTribenuron methyl 750g/kg
FallowBoss2,4-Damine300g/L +Aminopyralid7.5g/L+picloram75g/L
FlameImazapic 240g/L (to 900g/kg)
Garlon 600Triclopyr 600g/L (or 755g/L)
Grazon ExtraAminopyralid 8g/L+picloram 100g/L+triclopyr 300g/L
Harmony MMetsulfuron 68g/kg + thifensulfuron-methyl 682g/kg
HotshotAminopyralid salt 10g/L + fluroxypyr-meptyl 140g/L
Imazapic plus ImazapyrImazapic 525 + Imazapyr 175g/L
ImazapyrImazapyr 250g/L or 750g/kg
IntervixImazamox 33g/L + imazapyr 15g/L
Iodosulfuron 100Iodosulfuron 100g/kg
Iodosulfuron plus mefenpyrIodosulfuron 100g/L + mefenpyr
LightningImazapyr 175g/L + imazethapyr 525g/L
Logran 750Triasulfuron 750g/kg
LontrelClopyralid 300g/L
Lontrel 750Clopyralid 750g/kg
MCPA amineMCPA 500(500-750)g/L
MCPA LVEMCPA LV ester 500g/L
MCPB 400MCPB 400g/L
Mesosulfuron 30Mesosulfuron 30g/L
Metsulfuron-methylMetsulfuron 600g/kg
PicloramPicloram 240g/L
Picloram plus TriclopyrPicloram 100g/L + triclopyr 300g/L
QuincloracQuinclorac 750g/kg (or180or200)
Raptor WG 700Imazamox 700 g/kg
SempraHalosulfuron 750g/kg
SpinnakerImazethapyr 700g/kg (or 240g/L)
Starane 200Fluroxypyr 200-400g/L
SulfometuronSulfometuron 750g/kg
SulfosulfuronSulfosulfuron 750g/kg
TitusRimsulfuron 250g/kg
Tordon 242MCPA 420g/L + picloram 26g/L
Tordon 75-D2,4-D 300g/L + picloram 75g/L
Tordon DSPicloram amine 100g/L + triclopyr amine 200g/L
Tordon RegrowthMasterAminopyralid 25g/L+picloram100g/L+triclopyr 200g/L
TrifloxysulfuronTrifloxysulfuron 750g/kg
Tri-kombi24D Ester 800g/L + Dicamba 40g/L + Mecoprop 336g/L

6 GENERAL DESCRIPTION:

A post emergence, leaf absorbed, low residual herbicide applied as a spray in water for broadleaf weed control in grasses and some legume based pastures.

7 APPLICATION METHODS AND TIPS:

Best results on young actively growing plants.
Graze pastures 2 weeks after application.
Avoid spraying during cold weather.
Do not apply if heavy rains or storms are forecast within 48 hours.
Do not slash or mow pastures within 7 days before or after spraying.
Reduced levels of weed control may occur when weeds have been exposed to prolonged periods of extreme heat or cold, drought, waterlogging, poor nutrition or stress.
200-300 micron droplets recommended
Maximum tank storage time - 1 day.
Do not allow stock to graze paddocks with poisonous plants until these plants have died down as they can become more palatable after spraying.

8 WEATHER:

Rainfast in 6 hours. Do not apply if heavy rains or storms are forecast within 48 hours.
Frost effects: Poorer results in frosty weather.
Wind: Apply when wind speed is 3-20 km/hr to reduce the risk of drift.
Inversions: Do not apply during hazardous temperature inversions to reduce the risk of drift.
Temperature:
Delta T and relative humidity:

9 ADJUVANTS:

Wetting agents: Use a non-ionic surfactant
Spray oils: Uptake or spray oils often used. Synertrol is not recommended.

10 WATER QUALITY:

Hard water:
Salty water:
Colloids:
pH:
Tank life:

11 COMPATIBILITY:

Trace elements.
See HerbiGuide Compatibilities button.

12 EQUIPMENT:

Boom sprays:

Carrier volume: Apply in 50-200 L/ha.
Nozzles: Flat fan.
Pressure: 150-400 kPa.
Droplet size: Coarse droplets stipulated to reduce the risk of drift.

Aerial application:

Carrier volume: More than 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 nozzles and filters and clean separately. Triple 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. This procedure is sufficient for spraying in other cereals or non selective applications.

Decontamination:

Remove filters and clean then soak in 500 mL household ammonia in 10 L water for 30 minutes.
Rinse sprayer 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. Fill with 1 litre of 3% household ammonia per 100 litres of water and circulate for at least 15 minutes (allow to stand for several hours if possible). Triple rinse with water.
Rinse nozzles and filters in water and replace then rinse the whole system with water again.
Don't use chlorine based cleaners in combination with ammonia. Boom cleaner (e.g. Nufarm tank and Equipment cleaner) are not recommended.

14 HERBICIDE RESISTANCE:

Tolerant plants are expected to occur and may dominate the weed population after repeated applications.

15 REPLANTING INTERVALS:

CropTime
Barley3 months
Bean; Faba6-9 months on deep soils, 2 years on shallow, duplex low organic matter soils.
Cereal Rye7 days
Canola6-9 months on deep soils, 2 years on shallow, duplex low organic matter soils.
Chickpea3 months
Clover3 months
Cotton24 months.
Fenugreek6-9 months on deep soils, 2 years on shallow, duplex low organic matter soils.
Lathyrus6-9 months on deep soils, 2 years on shallow, duplex low organic matter soils.
Lentils6-9 months on deep soils, 2 years on shallow, duplex low organic matter soils.
Lucerne3 months
Lupins6-9 months on deep soils, 2 years on shallow, duplex low organic matter soils.
Maize7 days
Medic7 days
Oats3 months
Pea; Field3 months
Peanut3 months
Serradella6-9 months on deep soils, 2 years on shallow, duplex low organic matter soils.
Sorghum6-9 months on deep soils, 2 years on shallow, duplex low organic matter soils.
Soybean7 days
Sunflower6-9 months on deep soils, 2 years on shallow, duplex low organic matter soils.
Triticale7 days
Vetch; Popany6-9 months on deep soils, 2 years on shallow, duplex low organic matter soils.
Wheat7 days
Soil type - on shallow, duplex, low organic matter soils with an impermeable sub-horizon within the root zone (30 cm deep or less) and alkaline surface soil, sensitive crops should not be planted until 2 years after application of Thistrol Gold at either 2 or 4 L/ha.
Canola and cotton are good plants to use for a bioassay of soil residues.

16 WITHHOLDING PERIODS:

36. Withholding Period : 0-56 days.


CropTypeTime
AllGrazing7 days
AllHarvest7 days
Export Slaughter Interval (ESI) - 7 days.
Export Animal Feed Interval (EAFI) - 28 Days.

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: Little effect on efficacy.
Soil pH: : Breaks down faster and is more mobile in high pH soils.
Soil organic matter: More residual on shallow, duplex low organic matter soils.
Soil moisture at application: Best results when soil is moist.

20 MODE OF ACTION:

Flumetsulam is a triazolopyrimidine sulfonanilide (sulfonamide) and MCPA and MCPB are in the phenoxy group of herbicides. The product has the acetolactate synthase (ALS) inhibitor and disruptors of plant cell growth modes of action

Uptake and translocation:

Leaf and root absorbed. Translocated.

Physiological effects:

Stunts growth.

Residual Life and Breakdown:

For flumetsulam - Degradation half-lives were shorter in soils that adsorbed the compound less. Adsorption was lower in soils with higher pH and lower organic carbon content. Degradation half-lives were thus influenced by both pH and organic carbon: they were in the range 2-4 weeks in higher pH soils (pH 5 7.0) unless the organic carbon content was above 2.5%, at which half-lives were in the range 1-3 months. In medium pH soils (6.4 pH 6.9) half-lives were 1-2 months, while in lower pH soils (5.9 pH 6.3) they were 1-4 months.

Selectivity:

Serena medic and Nungarin sub clover are more sensitive than other varieties.

21 SELECTIVITY:

Crop tolerance:

Varietal sensitivities:

Effect on Clover Species: Do not apply to Berseem clover. Well tolerated by most species with Nungarin sub clover are more sensitive than other varieties.
Effect on Medic Species: Not recommended for medics on the label.
Effect on Lucerne: Not recommended for lucerne on the label.
Effect on Native Plants: Tolerated by most native plants.

22 DISEASE AND INSECT EFFECTS:

23 PLANT SYMPTOMS:

Reduction in size and growth of weeds. Curling of leaves and yellow spotting on susceptible weeds is usually apparent within a week of spraying.
Leaf spotting and biomass reduction of the host may occur.

SECONDARY EFFECTS:

24 TOXICITY:

Product is very toxic to aquatic life.

Flumetsulam component:

Summary:

Low toxicity.

Details:

Mammalian toxicity -
Acute oral LD50 - >5000 mg/kg (rats), [For comparison table salt is 3000 mg/kg]
Acute dermal LD50 - >2000 mg/kg (rabbit).
Skin - Not irritating, not a skin sensitiser.
Eye - moderately irritating.
Vapour inhalation - LC50 - > mg/L air (rat).
Chronic oral toxicity NOEL - ppm for two years.
Not carcinogenic, mutagenic or teratogenic (i.e. does not cause cancer or reproductive problems).
Acceptable Daily Intake (ADI) - 1 mg/kg/day. No effect level (NOEL) 100 mg/kg/day.

Other Species -

Birds - low toxicity.
Fish - low toxicity LC50 > ppm.
Invertebrates - low toxicity.
Bees - non toxic.
Toxic to algae and some aquatic plants.

MCPA and MCPB components:

Summary:

Details:

SUSMP classification (Poison schedule): S6
Mammalian toxicity: Moderately toxic.
Acute oral LD50: Dimethylamine is moderately toxic. 700 mg/kg (rat).
For product LD50 (rat) 2500 mg/kg., [For comparison table salt is 3000 mg/kg]
Acute dermal LD50: >2000 mg/kg (rabbit).
Skin: Irritating. Not sensitising.
Eye: Severely irritating and possible damage unless washed off immediately.
Vapour inhalation: LC50 >5.2 mg/L air (rat).
Not carcinogenic, mutagenic or teratogenic in animal studies (i.e. does not cause cancer or reproductive problems in animal tests).
Liver and kidney damage has been noted in laboratory animals that have been fed excessive doses of MCPA.Chronic oral toxicity: NOEL mg/kg for two years.
Acceptable Daily Intake (ADI): 0.01 mg/kg/day for MCPA and MCPB. 1mg/kg/day for flumstsulam.
NOEL for MCPA and MCPB = 1.1 mg/kg/day. For flumetsulam = 100 mg/kg/day.

Other Species:

Birds: toxicity.
Fish: toxicity LC50 (96hr) for rainbow trout is 50 mg/l for MCPA dimethylamine salt
LC50 (96hr) for rainbow trout is 4.3 mg/L for MCPB
LC50 (96hr) for rainbow trout is 300 mg/L for flumetsulam
Invertebrates: toxicity: EC50 (48hr) for Daphnia magna is >190 mg/L for MCPA dimethylamine salt.
EC50 (48hr) for Daphnia magna is 55 mg/L for MCPB.
EC50 (48hr) for Daphnia magna is 254 mg/L for flumetsulam.
Bees: toxicity.
Arthropods: toxicity.
Earthworms:
Algae: LC50 for algae is >392 mg/L for MCPA.
EC50 for algae is 41 mg/L for MCPB
EC50 for algae is 11 mg/L for flumetsulam
ErC50 for Myriophyllum spicatum is 0.485 mg/L for MCPB.
Accumulation:

25 TOXICITY SYMPTOMS:

Symptoms may include headache, nausea, lethargy, motor weakness and incoordination.

26 FIRST AID:

If SWALLOWED: Do not induce vomiting. Wash out mouth with water. Drink plenty of water. No other treatment is usually required. 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.
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. Seek medical advice immediately.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. Symptoms may include headache, nausea, lethargy, motor weakness and incoordination.
Contact the Poisons Information Centre on 131126.

27 ENVIRONMENTAL FATE:

Broken down by soil microbial activity.
Flumetsulam:
Flumetsulam is unlikely to be harmful to the environment.
Half life in soil: 14-120 days. In soil it is broken down mainly by microbial action. Degradation is faster in soils with high pH.
Degradation half-lives were shorter in soils that adsorbed the compound less. Adsorption was lower in soils with higher pH and lower organic carbon content. Degradation half-lives were thus influenced by both pH and organic carbon: they were in the range 2-4 weeks in higher pH soils (pH 5 7.0) unless the organic carbon content was above 2.5%, at which half-lives were in the range 1-3 months. In medium pH soils (6.4 pH 6.9) half-lives were 1-2 months, while in lower pH soils (5.9 pH 6.3) they were 1-4 months.
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: Nearly all of it remains in the top 300 mm of soil in rain fed situations. There is potential for greater movement under irrigation. Mobility increases with increasing pH and decreasing organic matter. Trace residues in ground water are degraded by anaerobic and aerobic pathways.
Accumulation in milk and tissues: Does not accumulate in animal systems.
pH stability:
Photolysis rate: It is not significantly broken down by sunlight
Hydrolysis half life: It is not significantly broken down by hydrolysis in water.
Biodegradation rate: The main method of breakdown is by microbial degradation.
Bioconcentration factor (BCF):

28 REGISTERED CROPS:

See HerbiGuide Species Solution tab.

29 REGISTERED WEEDS:

See HerbiGuide Species Solution tab.

30 REGULATION AND LEGAL:

APVMA Numbers: 87300
UN number: 3082
CAS numbers: MCPB present as dimethylamine salt; 94005-98-8
MCPA acid present as dimethylamine salt; 2039-46-5
Flumetsulam; 98967-40-9
OPP Chemical Code:
Hazchem code:
SWA classification:
Land transport: ADG
Dangerous goods class (ADG): Not a dangerous good.

Sea transport: IMDG
International Maritime Dangerous Goods Code (IMDG):
Proper shipping name: ENVIRONMENTALLY HAZARDOUS, LIQUID, N.O.S.
(CONTAINS MCPB)
Technical Name:
Hazard Class: 9
ID Number: UN3082.
Packaging group:
EMS Number:
EPG:
Marine Pollutant: Yes.
Air transport: IATA/ICAO
Proper Shipping Name: ENVIRONMENTALLY HAZARDOUS, LIQUID, N.O.S.
(CONTAINS MCPB)
Technical Name:
ID Number: UN3082
Packaging group: III
Cargo Packing Instructions:
Passenger Packing Instructions:
Environmental Hazard:
Risk phrases:
Safety phrases:
Hazard Statements: H319 Causes serious eye irritation.
Hazard Symbols:
GHS classification: ED1 Eye Damage/Irritation: Category 1
Records: Are required within 24 hours and kept for 2 years.
Buffer zones for boom sprays: 70-220 m for vegetation areas.
5-30 m for aquatic areas.
Buffer zones for helicopters: 400 m for vegetation areas.
75 m for aquatic areas.

31 PROPERTIES:

Colour: Clear, red-brown liquid
Odour: Ammonia like odour.
Form: Liquid.
Chemical name:
Empirical formula:
IUPAC:
CAS:
Water solubility: Dispersible. Soluble.
Oil solubility:
Octanol:Water ratio: LogPow = MCPA acid = -0.71 at 25 C at pH 7.
MCPB acid = 1.32 at pH 7.
Soil organic carbon absorption coefficient (Koc):
pKa is 3.07 for MCPA; 4.5 for MCPB.
Vapour Pressure: Negligible. Flumetsulam 37 x 10-7 mPa at 25 C.
Vapour density:
Dissociation constant: pKa
Melting point: C.
Boiling point: C.
Molecular weight:
Bulk density:
Specific gravity:
Viscosity: CPS.
pH:
Flammability: Not flammable.
Flashpoint: C.
Autoignition: C.
Corrosivity: Flumetsulam is non corrosive
Shelf Life: years.
(When Stored under Ideal Conditions)

32 SPILLS:

Absorb spill with earth, sand, clay or absorbent material such as vermiculite.
Ventilate area after cleanup.

33 FIRE:

Toxic fumes may be released in fire. Wear breathing apparatus or avoid smoke.

34 COMMENTS:

35 REFERENCES:

Nufarm (2020) Label FLMCAMCB_87300-118061
Nufarm (2020) Thistrol Gold SDS FLMCAMCB_87300-0220
R. G. Lehmann, J. R. Miller, D. D. Fontaine, D.A. Laskowski, J. H. Hunter and R. C. Cordes (1992) Degradation of a sulfonamide herbicide as a function of soil sorption. Weed Science, Volume32, Issue3, 197-205.

Acknowledgments:

Collated by HerbiGuide. For more information see www.herbiguide.com.au or phone 08 98444064.