Triadimefon TC, EC, WP

Triadimefon TC, EC, WP

Specification of Triadimefon TC, EC, WP in FAO SPECIFICATION 352 (October 2011*)

TRIADIMEFON TECHNICAL MATERIAL

FAO SPECIFICATION 352/TC (October 2011*)

This specification, which is PART ONE of this publication, is based on an evaluation of

data submitted by the manufacturer whose names are listed in the evaluation report

(352/2011). It should be applicable to TC produced by this manufacturer but it is not an

endorsement of those products, nor a guarantee that they comply with the specifications.

The specification may not be appropriate for TC produced by other manufacturers.

The evaluation report 352/2011, as PART TWO, forms an integral part of this publication.

1 Description

The material shall consist of triadimefon together with related manufacturing impurities

and shall be a white to greyish or yellowish grained powder free from visible extraneous

matter and added modifying agents.

2 Active ingredient

2.1 Identity tests (352/TC/M/2, CIPAC Handbook 1C, p. 2236, 1985)

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 Triadimefon content (352/TC/M/3, CIPAC Handbook 1C, p. 2237, 1985)

The triadimefon content shall be declared (not less than 960 g/kg) and, when determined,

the average measured content shall not be lower than the declared minimum

content.

TRIADIMEFON EMULSIFIABLE CONCENTRATE

FAO specification 352/EC (October 2011*)

This specification, which is PART ONE of this publication, is based on an evaluation of

data submitted by the manufacturer whose name is listed in the evaluation report

(352/2011). It should be applicable to relevant products of this manufacturer but it is

not an endorsement of those products, nor a guarantee that they comply with the specifications.

The specification may not be appropriate for the products of other manufacturers.

The evaluation report (352/2011) as PART TWO forms an integral part of this

publication.

.

1 Description

The material shall consist of technical triadimefon, complying with the requirements

of FAO specification 352/TC (October 2011), dissolved in suitable solvents, together

with any other necessary formulants. It shall be in the form of a stable homogeneous

clear liquid with light chestnut to brown color, free from visible suspended matter and

sediment, to be applied as an emulsion after dilution in water.

2 Active ingredient

2.1 Identity tests (352/EC/(M)/-, Note 1)

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 Triadimefon content (352/EC/(M)/-, Note 1)

The triadimefon content shall be declared (g/kg or g/L at 20  2 ºC, Note 2)

and, when determined, the average content measured shall not differ from declared

by more than the following tolerances.

Declared content in g/kg or g/L at 20 ±2°C               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: In each range the upper limit is included

3 Physical properties

3.1 Emulsion stability and re-emulsification (CIPAC MT 36.3, Handbook K,

p.137, 2003)

The formulation, when diluted at 30 ± 2 °C with CIPAC Standard Waters A

and D, shall comply with the following:

Time after dilution Limits of stability, MT 36.3

0 h                       Initial emulsification complete

0.5 h                    "Cream", maximum: 1 mL

2.0 h                    "Cream", maximum: 1 mL

"Free oil", maximum: 0.1 mL

24 h                     Re-emulsification complete

24.5 h                  "Cream", maximum: 1 mL

"Free oil", maximum: 0.1 mL

Note: in applying MT 36.3, tests after 24 h are required only where results at 2 h are in doubt

3.2 Persistent foam (CIPAC MT 47.2, Handbook F, p.152, 1995) (Note 3)

Maximum: 50 mL after 1 min.

4 Storage stability

4.1 Stability at 0 °C (CIPAC MT 39.3, 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 0.3 mL.

4.2 Stability at elevated temperature (MT 46.3, 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:

- emulsion stability and re-emulsification (3.1).

TRIADIMEFON WETTABLE POWDER

FAO specification 352/WP (October 2011*)

This specification, which is PART ONE of this publication, is based on an evaluation of

data submitted by the manufacturer whose name is listed in the evaluation report

(352/2011). It should be applicable to relevant products of this manufacturer but it is

not an endorsement of those products, nor a guarantee that they comply with the specifications.

The specification may not be appropriate for the products of other manufacturers.

The evaluation report (352/2011) as PART TWO forms an integral part of this

publication.

1 Description

The material shall consist of a homogeneous mixture of technical triadimefon, complying

with the requirements of FAO specification 352/TC (October 2011), together

with filler(s) and any other necessary formulants. It shall be in the form of a white to

beige fine powder free from visible extraneous matter and hard lumps.

2 Active ingredient

2.1 Identity tests (352/WP/M/2, CIPAC Handbook 1C, p. 2236, 1985)

The active ingredient(s) shall comply with an identity test and, where the identity

remains in doubt, shall comply with at least one additional test.

2.2 Triadimefon content (352/WP/M/3, CIPAC Handbook 1C, p. 2239, 1985)

The triadimefon content shall be declared (g/kg) and, when determined, the

average content measured shall not differ from declared by more than the following

tolerances.

Declared content in g/kg         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: In each range the upper limit is included

3 Physical properties

3.1 Wet sieve test (MT 185, CIPAC Handbook K, p.149, 2003)

Maximum: 2 % retained on a 75 μm test sieve.

3.2 Suspensibility (MT 184, CIPAC Handbook K, p.142, 2003)

A minimum of 60 % of the triadimefon content found under 2.2 shall be in

suspension after 30 min in CIPAC Standard Water D at 30 ± 2 °C.

3.3 Persistent foam (MT 47.2, CIPAC Handbook F, p.152, 1995)

Maximum: 10 mL after 1 min.

3.4 Wettability (MT 53.3, Handbook F, p.164, 1995)

The formulation shall be completely wetted in 120 sec. without swirling.

4 Storage stability

4.1 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 (3.1),

- Suspensibility (3.2),

- Wettability (3.4),