CLOMAZONE

Chemical Data

CAS No

81777-89-1

Synonyms

Clomazone; Dimethazone ;2-(2-chlorobenzyl)-4,4-dimethyl-1,2-oxazolidin-3-one; 2-(2-chlorobenzyl)-4,4-dimethylisoxazolidin-3-one 

Molecular Formular

C12H14ClNO2

Molecula Weight

239.6981

EINECS NO

NO

Appearance

TC: Light yellow to achromatic liduid

EC: Light yellow color homogeneous liquid

Packing

100 ml ,250 ml, 500ml, 1 L, 5L, 20Lt , 200 Lbottle/drum

Description

1. Mp.: 25C

2. Boiling Point: 275.4C

3. Density: 1.129(20C)

4. Formula:C12H14CLNO2

5.Vapor pressure: 19.2mPa(25C)

6.Appearance:Light brown clear liquid

7.Solubility:Water 1.1 g/L (25 C),easily soluble in acetone,acetonitrile,methylene chloride

Application

Biochemistry Inhibits carotenoid biosynthesis; target enzyme not known.Selective herbicide, bsorbed by the roots and shoots and translocatedupward.Susceptible species emerge but are devoid of pigmentation.

Uses Control of broad-leaved and grass weeds in soya beans, peas, maize, oilseed rape,

sugar cane,cassava,pumpkins, and tobacco. Applied preemergence or preplantincorporated.

Phytotoxicity Foliarcontact or vapours may cause visual symptoms of chlorosis tonearby sensitive plants. Formulation types CS.EC.WP.

Compatibility Compatible with many other herbicides,e.g.metribuzin,linuron,chloramben, alachlor,trifluralin,

pendimethalin,metolachlor,oryzalin or ethalfluralin.

Toxicity

Oral Acute oral LD50 for male rats 2077,female rats 1369 mg/kg.

Acute percutaneous LD50 for rabbits >2000 mg/kg

Practically non-irritating to eyes (rabbits).Inhalation LC50(4h)for rats4.8mg/l

Birds Acute oral LD50 for bobwhite quail and mallard ducks>2510mg/kg.

LC50(8d)for bobwhite quail and mallard ducks>5620ppm

Other aquatic spp LC50 for pink shrimp 8.9eastern oyster 5.3 mg/l. Worms LC50 (14 d) for Eisenia foetida 156 mg/kg

Storage

Keep in sealed and damp proof place.

Specification

                  CLOMAZONE 96% TC

Appearance 

Light yellow to achromatic liduid

Content

≥96.0%(w/w)

Acidity

≤0.30%

Water

≤ 0.5%

Acetone insolubility

≤0.2%

          CLOMAZONE 48% EC

Appearance

Light yellow color homogeneous liquid

Content

480-485g/L

PH

5.0-8.0

Water

≤0.50%

MASS VALUE

1.080±0.03g/cm3

EMULSION STABILITY

No floating oil and sediment

Formulation

 98%TC, 40%EC, 480g/l EC, 72%EC