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25057-89-0

25057-89-0 structure
25057-89-0 structure
  • Name: Bentazon
  • Chemical Name: bentazone
  • CAS Number: 25057-89-0
  • Molecular Formula: C10H12N2O3S
  • Molecular Weight: 240.279
  • Catalog: Chemical pesticide herbicide Other herbicides
  • Create Date: 2018-06-17 12:18:41
  • Modify Date: 2025-08-20 19:56:41
  • Bentazone is a post-emergence herbicide used for selective control of broadleaf weeds and sedges in beans, rice, corn, peanuts, mint and others. It acts by interfering with photosynthesis[1].
Name bentazone
Synonyms 3-isopropyl-1H-2,1,3-benzothiadiazin-4(3H)-one 2,2-dioxide
Leader
3-(propan-2-yl)-1H-2λ6,1,3-benzothiadiazine-2,2,4(3H)-trione
Laddok
3-isopropyl-2,1,3-benzothiadiazin-4-one-2,2-dioxide
Basagran
3-(1-methylethyl)-1H-2,1,3-benzothiadiazin-4(3H)-one 2,2-dioxide
Bentazone
bentazon
MFCD00078640
Bendioxide
Basagran 480
Pentazone
Pledge
EINECS 246-585-8
2,2-dioxo-3-propan-2-yl-1H-2λ<sup>6</sup>,1,3-benzothiadiazin-4-one
Description Bentazone is a post-emergence herbicide used for selective control of broadleaf weeds and sedges in beans, rice, corn, peanuts, mint and others. It acts by interfering with photosynthesis[1].
Related Catalog
References

[1]. Lina Shi, et al. Herbicide Applications Increase Greenhouse Gas Emissions of Alfalfa Pasture in the Inland Arid Region of Northwest China. PeerJ. 2020 May 25;8:e9231.
Density 1.3±0.1 g/cm3
Boiling Point 395.7±25.0 °C at 760 mmHg
Melting Point 137-139°C
Molecular Formula C10H12N2O3S
Molecular Weight 240.279
Flash Point 193.1±23.2 °C
Exact Mass 240.056870
PSA 74.86000
LogP 2.80
Vapour Pressure 0.0±0.9 mmHg at 25°C
Index of Refraction 1.583

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DK9900000
CHEMICAL NAME :
1H-2,1,3-Benzothiadiazin-4(3H)-one, 3-isopropyl-, 2,2-dioxide
CAS REGISTRY NUMBER :
25057-89-0
LAST UPDATED :
199701
DATA ITEMS CITED :
15
MOLECULAR FORMULA :
C10-H12-N2-O3-S
MOLECULAR WEIGHT :
240.30
WISWESSER LINE NOTATION :
T66 BMSWNVJ DY1&1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1100 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GUCHAZ Guide to the Chemicals Used in Crop Protection. (Information Canada, 171 Slater St., Ottawa, Ont., Canada) Volume(issue)/page/year: 6,36,1973
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
5100 mg/m3/4H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,65,1991
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
2500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85DPAN "Wirksubstanzen der Pflanzenschutz und Schadlingsbekampfungsmittel," Perkow, W., Berlin, Verlag Paul Parey, 1971-1976 Volume(issue)/page/year: -,-,1971/1976
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Parenteral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1100 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
DEVEAA Defense des Vegetaux. (Federation Nationale des Groupements de Protection des Cultures, 149, rue de Bercy, 75595 Paris Cedex, 12, France) V.1- 1947- Volume(issue)/page/year: 26,5,1972
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1130 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
YKYUA6 Yakkyoku. Pharmacy. (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo, Japan) V.1- 1950- Volume(issue)/page/year: 37,319,1986
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
450 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
PSSCBG Pesticide Science. (Blackwell Scientific Pub. Ltd., POB 88, Oxford, UK) V.1- 1970- Volume(issue)/page/year: 3,242a,1972
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - cat
DOSE/DURATION :
500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GUCHAZ Guide to the Chemicals Used in Crop Protection. (Information Canada, 171 Slater St., Ottawa, Ont., Canada) Volume(issue)/page/year: 6,36,1973
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
750 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85DPAN "Wirksubstanzen der Pflanzenschutz und Schadlingsbekampfungsmittel," Perkow, W., Berlin, Verlag Paul Parey, 1971-1976 Volume(issue)/page/year: -,-,1971/1976
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Bird - quail
DOSE/DURATION :
720 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GUCHAZ Guide to the Chemicals Used in Crop Protection. (Information Canada, 171 Slater St., Ottawa, Ont., Canada) Volume(issue)/page/year: 6,36,1973
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Bird - duck
DOSE/DURATION :
15 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
DEVEAA Defense des Vegetaux. (Federation Nationale des Groupements de Protection des Cultures, 149, rue de Bercy, 75595 Paris Cedex, 12, France) V.1- 1947- Volume(issue)/page/year: 27,78,1973 ** REPRODUCTIVE DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
25 mg/kg
SEX/DURATION :
female 6 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
AXVMAW Archiv fuer Experimentelle Veterinaermedizin. (S. Hirzel Verlag, Postfach 506, Leipzig DDR-7010, Ger. Dem. Rep.) V.6- 1952- Volume(issue)/page/year: 42,261,1988
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
25 mg/kg
SEX/DURATION :
female 6 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Newborn - viability index (e.g., # alive at day 4 per # born alive)
REFERENCE :
AXVMAW Archiv fuer Experimentelle Veterinaermedizin. (S. Hirzel Verlag, Postfach 506, Leipzig DDR-7010, Ger. Dem. Rep.) V.6- 1952- Volume(issue)/page/year: 42,261,1988
Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H302-H317-H319-H412
Precautionary Statements P273-P280-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Faceshields;Gloves
Hazard Codes Xn:Harmful
Risk Phrases R22;R36;R43;R52/53
Safety Phrases 2-24-37-61-36-26-16
RIDADR UN 1648 3/PG 2
RTECS DK9900000
Packaging Group III
Hazard Class 6.1
HS Code 2934999027
109-06-8 structure

109-06-8

30391-89-0 structure

30391-89-0

~95%

25057-89-0 structure

25057-89-0

Literature: BASF Aktiengesellschaft Patent: US6252069 B1, 2001 ;
30391-89-0 structure

30391-89-0

~%

25057-89-0 structure

25057-89-0

Literature: US4175184 A1, ;
98-94-2 structure

98-94-2

30391-89-0 structure

30391-89-0

~%

25057-89-0 structure

25057-89-0

Literature: US4175184 A1, ;
86071-21-8 structure

86071-21-8

~%

25057-89-0 structure

25057-89-0

Literature: Farmaco, , vol. 60, # 8 p. 653 - 663
134-20-3 structure

134-20-3

~%

25057-89-0 structure

25057-89-0

Literature: Farmaco, , vol. 60, # 8 p. 653 - 663
HS Code 2934999027
Summary 2934999027 3-isopropyl-1h-benzo[c][1,2,6]thiadiazin-4(3h)-one 2,2-dioxide。supervision conditions:s(import or export registration certificate for pesticides)。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:6.5%。general tariff:20.0%
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