Imidacloprid TC, WDG, SC, FS, SL, WS

Imidacloprid TC, WDG, SC, FS, SL, WS

IMIDACLOPRID TECHNICAL MATERIAL

2 Active ingredient

2.1 Identity tests (582/FS/M/2, CIPAC Handbook K, p.75, 2003)

The active ingredient shall comply with an identity test and, where the identity remains in doubt, shall comply with at least one additional test.

2.2 Imidacloprid content (582/FS/M/3, CIPAC Handbook K, p.75, 2003)

The imidacloprid content shall be declared (g/kg or g/l at 20 ± 2ºC, Note 3) and, when determined, the average measured content shall not differ from that declared by more than the following tolerances:

Declared content, g/kg or g/l at 20 ± 2ºC             Tolerance

above 25 up to 100                                                  ± 10% of the declared content

above 100 up to 250                                                ± 6% of the declared content

above 250 up to 500                                                ± 5% of the declared content

Note: the upper limit is included in each range

3 Physical properties

3.1 pH range (MT 75.3, CIPAC Handbook J, p.131, 2000)

The pH of the undiluted aqueous suspension shall be 5 to 9.

3.2 Pourability (MT 148.1, CIPAC Handbook F, p.348, 1995)

Maximum "residue": 4%.

3.3 Wet sieve test (MT 185, CIPAC Handbook K, p.148, 2003) (Note 4)

Maximum: 0.1 % retained on a 75 μm test sieve.

3.4 Adhesion to seeds (MT 194, CIPAC Handbook N, p.145, 2012)

Wheat, barley and maize: Minimum: 90% of imidacloprid shall remain on the seeds.

4 Storage stability

4.1 Stability at 0°C (MT 39.3, CIPAC Handbook J, p.126, 2000)

After storage at 0 ± 2°C for 7 days, the formulation shall continue to comply with the clause for:

– wet sieve test (3.3).

4.2 Stability at elevated temperature (MT 46.3, CIPAC Handbook J, p.128, 2000)

After storage at 54 ± 2°C for 14 days, the determined average active ingredient content must not be lower than 95% relative to the determined average content found before storage (Note 5) and the formulation shall continue to comply with the clauses for:

– pH range (3.1);

– pourability (3.2)

– wet sieve test (3.3).

– adhesion to seeds (3.4).

IMIDACLOPRID WATER SOLUBLE CONCENTRATE

FAO Specification 582 / SL (May 2018*)

2 Active ingredient

2.1 Identity tests (CIPAC 582/SL/M/2, CIPAC Handbook L, p.89, 2006)

The active ingredient shall comply with an identity test and, where the identity remains in doubt, shall comply with at least one additional test.

2.2 Imidacloprid content (CIPAC 582/SL/M/3, CIPAC Handbook L, p.89, 2006)

The imidacloprid content shall be declared (g/kg or g/l at 20 ± 2ºC, Note 1) and, when determined, the average measured content shall not differ from that declared by more than the following tolerances:

Declared content, g/kg or g/l at 20 ± 2ºC             Tolerance

above 25 up to 100                                                  ± 10% of the declared con-tent

above 100 up to 250                                                ± 6% of the declared content

Note: the upper limit is included in each range

3 Physical properties

3.1 Solution stability (MT 41.1, CIPAC Handbook O, p.174, 2017)

The formulation following dilution (Note 2) with CIPAC standard water D and standing at 30 2ºC for 24 h, shall give a clear or opalescent solution, free from more than a trace of sediment and visible solid particles. Any visible sediment or particles produced shall pass through a 75 μm test sieve.

3.2 Persistent foam (MT 47.3, CIPAC Handbook O, p.177, 2017) (Note 3)

Maximum: 50 ml after 1 minute.

4 Storage stability

4.1 Stability at 0°C (MT 39.3, CIPAC Handbook J, p.126, 2000)

After storage at 0 ± 2°C for 7 days, the volume of solid and/or liquid which separates shall not be more than 0.1 ml.

4.2 Stability at elevated temperature (MT 46.3, CIPAC Handbook J, p.128, 2000)

After storage at 54 ± 2°C for 14 days, the determined average active ingredient content must not be lower than 95 % relative to the determined average content found before storage (Note 4) and the formulation shall continue to comply with the clause for:

- solution stability (3.1)

IMIDACLOPRID WATER DISPERSIBLE POWDER FOR SLURRY SEED TREATMENT

FAO Specification 582 / WS (May 2018*)

2 Active ingredient

2.1 Identity tests (CIPAC 582/WS/M/2, CIPAC Handbook K, p.75, 2003)

The active ingredient shall comply with an identity test and, where the identity remains in doubt, shall comply with at least one additional test.

2.2 Imidacloprid content (CIPAC 582/WS/M/3, CIPAC Handbook K, p.75, 2003)

The imidacloprid content shall be declared (g/kg) and, when determined, the content measured shall not differ from that declared by more than the following tolerances.

Declared content, g/kg         Tolerance

above 250 up to 500             ± 5% of the declared content

above 500                              ± 25 g/kg

Note: the upper limit is included in the lower range

3 Relevant impurities

3.1 Water (MT 30.5, CIPAC Handbook J, p.120, 2000)

Maximum: 20 g/kg.

4 Physical properties

4.1 Wet sieve test (MT 185, CIPAC Handbook K, p.148, 2003) (Note 2)

Maximum: 0.1% of the formulation shall be retained on a 75 μm test sieve.

4.2 Persistent foam (MT 47.3, CIPAC Handbook O, p.177, 2017) (Note 3)

Maximum: 20 ml after 1 min.

4.3 Wettability (MT 53.3, CIPAC Handbook F, p.165, 1995)

The formulation shall be completely wetted in 1 min without swirling.

4.4 Adhesion to seeds (MT 194, CIPAC Handbook N, p.145, 2012)

Beets: Minimum: 85% of imidacloprid shall remain on the seeds.

5 Storage stability

5.1 Stability at elevated temperature (MT 46.3, CIPAC Handbook J, p.128, 2000)

After storage at 54 ± 2°C for 14 days the determined average active ingredient content must not be lower than 95% relative to the determined average content found before storage (Note 4) and the formulation shall continue to comply with the clauses for:

– wet sieve test (4.1).

– adhesion to seeds (4.4).