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Bentazon

Chemical: Bentazone
Use category: Herbicide
Content & formulation: Bentazone 95% TC,Bentazone 480 g/L SL

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Description
Specification
Packaging & Shipping

Common name bentazone (BSI, E-ISO, (f) F-ISO, JMAF); bentazon (ANSI, Canada, WSSA); bendioxide (Republic of South Africa)

IUPAC name 3-isopropyl-1H-2,1,3-benzothiadiazin-4(3H)-one 2,2-dioxide

Chemical Abstracts name 3-(1-methylethyl)-1H-2,1,3-benzothiadiazin-4(3H)-one 2,2-dioxide

CAS RN [25057-89-0]

Composition ³96% pure.

Mol. wt. 240.3 M.f. C10H12N2O3S

Form Colourless crystals.

M.p. 138 癈

V.p. 0.17 mPa (20 癈)

KOW logP = 0.77 (pH 5), -0.46 (pH 7), -0.55 (pH 9)

Henry 7.167 ´ 10-5 Pa m3 mol-1 (calc.)

S.g./density 1.41 (20 癈)

Solubility In water 570 mg/l (pH 7, 20 篊). In acetone 1387, methanol 1061, ethyl acetate 582, dichloromethane 206, n-heptane 0.5 ´ 10-3 (all in g/l, 20 篊).

Stability Very resistant to hydrolysis in both acidic and alkaline media. Decomposed by sunlight.

Mode of action

Selective contact herbicide, absorbed mainly by the foliage, with very little translocation, but also absorbed by the roots, with translocation acropetally in the xylem.

Uses： A contact herbicide.

Specification for Bentazone 95% TC
ITEMS	STANDARDS
Appearance	Ochre-yellow solid
Content of a.i.	≥95 %
Water	≤0.5%
Acidity(as H₂SO₄)	≤0.3%
Specification for Bentazone 480 g/L SL
ITEMS	STANDARDS
Appearance	Clear straw yellow liquid
Content of a.i.	≥480g/L
pH	6.5~9.5
Persistent foam(1 min)	≤25 ml
Solution stability	No color change;
	Sediment maxium: trace;
	Solid particles: pass throug 45μm sieve.
Stability at 0℃	The volume of solid and/or liquid which separates shall not be more than 0.3 ml.

Packaging :

Liquid: 200L, 20L/Drum, 1L, 500mL/bottle or according to the client's requirements.
Solid: 25kg/fiber drum, 25kg/bag, 1kg, 500g/aluminium foil bag or according to the client's requirements.

Shipping: According to order's quantity