103735-82-6
2-(butan-2-ylsulfanyl-ethoxy-phosphoryl)sulfanylbutane
CAS: 103735-82-6;95465-99-9
Molecular Formula: C10H23O2PS2
103735-82-6 - Names and Identifiers
103735-82-6 - Physico-chemical Properties
| Molecular Formula | C10H23O2PS2 |
| Molar Mass | 270.39 |
| Density | 1.044g/cm3 |
| Boling Point | 363.4°C at 760 mmHg |
| Flash Point | 173.6°C |
| Vapor Presure | 3.78E-05mmHg at 25°C |
| Storage Condition | 2-8℃ |
| Refractive Index | 1.486 |
103735-82-6 - Nature
Open Data Verified Data
The original drug is light yellow transparent liquid, boiling point (107Pa) 112~114 ℃; Relative density (20 ℃)1. 054; Vapor pressure (20 deg C) 0.12; Flash point without cross resistance. Field application has a good control effect on late blight and downy mildew, and the dosage is 2~38 times lower than other fungicides, if the concentration of 50~100 mg/L treatment of potato late blight has a prominent control effect, and the medication period is flexible, long duration. Treatment of grape, cucumber and melon with the same concentration of the agent also had excellent control effect.
Last Update：2025-06-10 22:55:16
103735-82-6 - Preparation Method
Open Data Verified Data
O-ethylphosphoryl dichloride was prepared by the reaction of phosphorus oxychloride with ethanol, and then reacted with 1-methylpropanethiol in the presence of an acid binding agent to obtain sulfur-line phosphorus.
Last Update：2022-01-01 10:12:27
103735-82-6 - Application
Open Data Verified Data
broad-spectrum, contact type nematicide, no fumigation effect. The activity of root knot nematode and perforated nematode was higher, and the activity of cyst nematode was poor. Also has insecticidal effect, can control a variety of crops armyworm larvae, tobacco leaf moth, potato tuber moth.
Last Update：2025-08-19 16:24:40
103735-82-6 - Safety
Open Data Verified Data
rat oral LD50>5000mg/kg; Percutaneous LD50>5000mg/kg; Inhalation LD50>2000mg/kg. Carp LC60>69. 6mg/L (48h). Rainbow trout> 100mg/L (48h), Daphnia EC50 >0. 487mg/L(3H), Crescent algae EbC50>
0.858 mg/L( 72h). Quail acute LD50>2000mg/kg, feed LC50 >5000mg/L} duck acute LD50>2000mg/kg, Bee oral LD50>151. 7ug/only, contact LD50>100ug/only. Earthworm acute NOEC>1000 mg/kg.
Last Update：2022-01-01 10:12:26
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View History
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