2,3-dihydro-3,3-dimethyl-5-benzofurylethanesulphonate
Names
[ CAS No. ]:
68505-69-1
[ Name ]:
2,3-dihydro-3,3-dimethyl-5-benzofurylethanesulphonate
[Synonym ]:
3,3-dimethyl-2,3-dihydro-1-benzofuran-5-yl ethanesulfonate
2,3-Dihydro-3,3-dimethyl-5-benzofurylethanesulphonate
MFCD01728672
Ethanesulfonic acid,2,3-dihydro-3,3-dimethyl-5-benzofuranyl ester
2,3-dihydro-3,3-dimethyl-5-benzofuranyl ethanesulfonate
Cyperal
Benfuresate
EINECS 270-925-4
2,3-dihydro-3,3-dimethylbenzofuran-5-yl ethanesulfonate
(3,3-dimethyl-2H-1-benzofuran-5-yl) ethanesulfonate
Chemical & Physical Properties
[ Density]:
1.223g/cm3
[ Boiling Point ]:
386.5ºC at 760 mmHg
[ Molecular Formula ]:
C12H16O4S
[ Molecular Weight ]:
256.31800
[ Flash Point ]:
187.6ºC
[ Exact Mass ]:
256.07700
[ PSA ]:
60.98000
[ LogP ]:
3.16590
[ Index of Refraction ]:
1.53
[ Storage condition ]:
0-6°C
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- KI7372000
- CHEMICAL NAME :
- Ethanesulfonic acid, 2,3-dihydro-3,3-dimethyl-5-benzofuranyl ester
- CAS REGISTRY NUMBER :
- 68505-69-1
- LAST UPDATED :
- 199606
- DATA ITEMS CITED :
- 13
- MOLECULAR FORMULA :
- C12-H16-O4-S
- MOLECULAR WEIGHT :
- 256.34
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 :
- 2031 mg/kg
- 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: 9,58,1991
- TYPE OF TEST :
- LC50 - Lethal concentration, 50 percent kill
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- >5343 mg/m3/4H
- TOXIC EFFECTS :
- Gastrointestinal - changes in structure or function of salivary glands Skin and Appendages - hair
- REFERENCE :
- NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 20,229,1995
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- >5 gm/kg
- 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: 9,58,1991
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 1986 mg/kg
- 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: 9,58,1991
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Mammal - dog
- DOSE/DURATION :
- >1600 mg/kg
- 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: 9,58,1991
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Bird - quail
- DOSE/DURATION :
- >32272 mg/kg
- 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: 9,58,1991
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Bird - duck
- DOSE/DURATION :
- >10 gm/kg
- 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: 9,58,1991
- TYPE OF TEST :
- LC50 - Lethal concentration, 50 percent kill
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Mammal - species unspecified
- DOSE/DURATION :
- >5340 mg/m3
- 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: 9,58,1991 ** OTHER MULTIPLE DOSE TOXICITY DATA **
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 19838 mg/kg/13W-C
- TOXIC EFFECTS :
- Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis) Kidney, Ureter, Bladder - changes in bladder weight
- REFERENCE :
- NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 20,229,1995
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 261 gm/kg/2Y-C
- TOXIC EFFECTS :
- Nutritional and Gross Metabolic - weight loss or decreased weight gain
- REFERENCE :
- NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 20,229,1995
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 491 gm/kg/90D-C
- TOXIC EFFECTS :
- Liver - changes in liver weight Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis) Related to Chronic Data - death
- REFERENCE :
- NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 20,229,1995
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 1114 gm/kg/80W-C
- TOXIC EFFECTS :
- Kidney, Ureter, Bladder - other changes Nutritional and Gross Metabolic - weight loss or decreased weight gain Related to Chronic Data - death
- REFERENCE :
- NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 20,229,1995
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Mammal - dog
- DOSE/DURATION :
- 90 gm/kg/90D-I
- TOXIC EFFECTS :
- Kidney, Ureter, Bladder - interstitial nephritis Kidney, Ureter, Bladder - other changes Related to Chronic Data - death
- REFERENCE :
- NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 20,229,1995
Safety Information
[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves
[ Risk Phrases ]:
R52/53
[ Safety Phrases ]:
S61
[ RIDADR ]:
NONH for all modes of transport
[ RTECS ]:
KI7372000
Articles
Pest Manag. Sci. 59(8) , 847-56, (2003)
In order to study the mode of action of herbicides we conducted a pilot study analysing phenotype and gene expression of flufenacet- and benfuresate-treated Arabidopsis thaliana (L) Heynhoe plants. Tr...
Determination of the herbicide benfuresate by its photo-induced chemiluminescence using flow multicommutation methodologyTalanta 75(3) , 717-24, (2008)
The present paper deals with an analytical strategy based on coupling photo-induced chemiluminescence in a multicommutation continuous-flow methodology for the determination of the herbicide benfuresa...