Diquat

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Common Name Diquat dibromide

CAS No. 85–00–7

Chemical Name 1,1′-ethylene-2,2′-bipyridyldiylium dibromide

Synonyms 6,7-dihydrodipyrido[1,2-a:2′,1′-c]pyrazinediium dibromide

Molecular Formula C12H12Br2N2

Molecular Weight 344.1

Physical Chemistry M.p. Decomposes above 325 °C (monohydrate) V.p. <<0.01 mPa (25 °C, monohydrate) Kow logP = –4.60 (monohydrate, 20 °C) Henry <5 × 10-9 Pa m3 mol-1 (monohydrate, calc.) S.g./density 1.61 (monohydrate, 25 °C) Solubility In water >700 g/l (20 °C).

Formulation 40%TK, 15%SL,20%SL

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DIQUAT DIBROMIDE TECHNICAL CONCENTRATE(TK) SPECIFICATION

ITEM	SPECIFICATIONS
Appearance	Homogeneous liquid
Diquat dibromide Content/% ≥	40.0
Free 2,2'-bipyridyl/% ≤	750 ppm
Total terpyridines ≤	1.0 ppm
Ethylene dibromide ≤	10 ppm
pH Value	3.5 - 7.5

PACKING: 200KG DRUM

DIQUAT DIBROMIDE SOLUBLE CONCENTRATE(SL) SPECIFICATION

ITEM	SPECIFICATIONS
	15%SL	20%SL
Appearance	Homogeneous liquid
Diquat dibromide Content/%(W/V) ≥	15.0	20.0
Free 2,2'-bipyridyl/% ≤	750 ppm
Total terpyridines ≤	1.0 ppm
Ethylene dibromide ≤	10 ppm
Persistent foam after 1min/mL ≤	60
pH value	4.0 - 8.0
Solution stability (20 Times)	Qualified
low temperature stability	Qualified
Thermal storage stability	Qualified

PACKING: 5LDRUM, 20L DRUM, 200L DRUM