CONTAF
hexaconazole
CAS: 79983-71-4
Molecular Formula: C14H17Cl2N3O
CONTAF - Names and Identifiers
| Name | hexaconazole |
| Synonyms | ANVIL Anvil PP 523 CONTAF R154523 HEXACONAZOL HEXACONAZOLE hexaconazole Anril Planete Asten Hexaconazole suspension 2-(2,4-dichlorophenyl)-1-(1H-1,2,4-triazol-1-yl)hexan-2-ol (rs)-2-(2,4-dichlorophenyl)-1-(4h-1,2,4-triazol-4-yl)hexan-2-ol (rs)-2-(2,4-dichlorophenyl)-1-(1h-1,2,4-triazol-1-yl)hexan-2-ol (RS)-2-(2,4-dichlorophenyl)-1-(1H-1,2,4-triazole-1-yl)hexan-2-ol (RS)-2-(2,4-Dichlorophenyl)-1-(4H-1,2,4-triazole-4-yl)hexan-2-ol alpha-butyl-alpha-(2,4-dichlorophenyl)-(+-)-1h-4-triazole-1-ethanol 4-dichlorophenyl)-1h-1,2,4-triazole-1-ethanol(+-)-alpha-butyl-alpha-( |
| CAS | 79983-71-4 |
| EINECS | 413-050-7 |
| InChI | InChI=1/C14H17Cl2N3O/c1-2-3-6-14(20,8-19-10-17-9-18-19)12-5-4-11(15)7-13(12)16/h4-5,7,9-10,20H,2-3,6,8H2,1H3 |
| InChIKey | STMIIPIFODONDC-UHFFFAOYSA-N |
CONTAF - Physico-chemical Properties
| Molecular Formula | C14H17Cl2N3O |
| Molar Mass | 314.21 |
| Density | d25 1.29 |
| Melting Point | 111°C |
| Boling Point | 490.3±55.0 °C(Predicted) |
| Flash Point | 250.3°C |
| Water Solubility | 17 mg l-1(20 °C) |
| Solubility | Almost insoluble in water, miscible with methanol and acetone. |
| Vapor Presure | 1.8 x l0-6 Pa (20 °C) |
| Appearance | Colorless crystal |
| Merck | 13,4700 |
| BRN | 8328399 |
| pKa | 12.26±0.29(Predicted) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Refractive Index | 1.5490 (estimate) |
| MDL | MFCD00144441 |
| Physical and Chemical Properties | melting point 111°C |
| Use | It has broad-spectrum protective and therapeutic effects on fungi, especially on diseases caused by basidiomycetes and Ascomycetes |
CONTAF - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R43 - May cause sensitization by skin contact R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S2 - Keep out of the reach of children. S24 - Avoid contact with skin. S37 - Wear suitable gloves. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN3077 9/PG 3 |
| WGK Germany | 2 |
| RTECS | XZ4803200 |
| Toxicity | LD50 orally in mallard ducks, male rats, female rats: >4000, 2189, 6071 mg/kg; dermally in rats: >2000 mg/kg; LC50 (96 hour) in rainbow trout: >6.7 mg/l (Shephard) |
CONTAF - Introduction
Room temperature (below 40 ℃) does not decompose for at least 9 months, acid and alkaline (PH5,7~9) aqueous solution is stable for 30 days, and PH7 aqueous solution is stable for 10 days under ultraviolet radiation.
Last Update：2022-10-16 17:28:57
CONTAF - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| high efficiency fungicide for triazole | , propiconazole after the development of a new generation of triazole class of efficient fungicides, the fungicides by the UK 1CI Agrochemicals company developed successfully. Patent EP110536(1985),FR2469408(1981). The biological activity and bactericidal mechanism of hexaconazole are similar to those of triadimefon and triadimenol, and have the characteristics of wide antibacterial spectrum, strong permeability and internal absorption conductivity, good prevention and treatment effect, etc, the mechanism of action is to destroy and prevent the bacteria ergosterol biosynthesis, resulting in the bacterial cell membrane can not be formed, and ultimately the bacteria die. Hexaconazole medicament can effectively control the disease caused by ascomycetes, Basidiomycetes and unknown, especially for the disease caused by basidiomycetes and Ascomycetes such as powdery mildew, rust, scab, brown spot, anthracnose, sheath blight, rice false smut has good preventive and therapeutic effects, but hexaconazole has no effect on oomycetes and bacteria. According to the recommended dose in the application of suitable crops, friendly to the environment, crop safety, but sometimes on some Apple varieties have damage.|
| control object and method of use | hexaconazole is mainly used for Apple powdery mildew, the fungus coccidiococcus and grape uncinate on the grape. Coffee on the camel spore rust, peanut on the tail spore mold. According to the development of the market, the share of hexaconazole EC was further compressed, 5% of the microemulsion became the mainstream of the market, and 5% of the suspension agent became a new target. High content has gradually become the trend of market development. The main market direction of high content of hexaconazole is concentrated in the fruit and vegetable market, and the low content of hexaconazole is mainly concentrated in the field crops. The fruit and vegetable market is mainly banana, citrus, apple and pear, and the control targets are banana leaf spot disease, citrus scab disease, pear black scab disease and Apple mottling and defoliation disease. The low content was mainly targeted at the rice, wheat and vegetable markets, and the main content was 5% of the suspension and microemulsion. Usage: foliar spray. 10~20mg/L, prevention and control of grape powdery mildew, black rot, Apple powdery mildew, black scab; 20~50mg/L, prevention and control of coffee rust and peanut leaf spot. (1) grapes. Hexaconazole has prominent control effect on the powdery mildew of grape leaves and clusters, and the effect on black rot is higher than that of other pesticides, and the use of 15~20mg/L is suitable for the Virus serious epidemic years. (2) Apple. 10~20mg/L alone or mixed with dithiocarbamate has a good control effect on apple scab and powdery mildew, and is also very effective on Apple gum rust. Spray with concentration of 33.3~62.5mg/kg to control Apple mottling disease. (3) peanut. On the peanut, whether hexaconazole single agent or mixed with low concentration of chlorothalonil on the prevention and control of early and late leaf spot disease effect is very good, the effect is better than chlorothalonil. (4) coffee. It has therapeutic activity against coffee rust and has a long duration of efficacy. In the epidemic year of the disease, the effect of spraying 30g/hm2 for 3 times can be as effective as that of copper preparation for 5 times, slightly better than that of triadimefon 250g/hm23 times. The same control effect of 250g of triadimefon can be obtained with the effect of a dose of 10G. (5) pear. Spray with 5% hexaconazole microemulsion diluted to 40~50mg/kg to prevent and control pear black heart disease. Reference: Wang Zhenrong, Li Buqing. Pesticide commodities. Beijing: China Commercial Press. 1996. Pp. -465. |
| toxicity | hexaconazole is a low toxicity pesticide. The acute oral LD50 of male rats was 2189mg/kg, that of female rats was 6071mg/kg, and that of rats was> 2g/kg. It has no irritation effect on rabbit skin, but has slight irritation effect on eyes. The acute oral LD50 of male mice was 612mg/kg, and that of female mice was 918mg/kg. Rats acute inhalation LC50(4 hours)>5.9mg/ L. Feeding Test No effect dose: 2.5mg/(kg · d) for rats, 50mg/(kg · d) for rabbits, and 0.005mg/kg body weight for human ADI. Hexaconazole had no mutagenic effect. Acute oral LD50>4g/kg. Fish poisoning LC50(96 hours): Carp 5.94mg/L, rainbow trout> 3.4mg/L. Daphnia LC50(48 hours) 2.9mg/L, wild duck acute oral LD50>4g/ kg, acute exposure to bees LD50> 100 μg/bee, oral LD50> 100 μg/Bee. No mutagenic effect. |
| preparation method | (1) reaction of 2, 3-dichlorophenylbutyl ketone with (C6H5)3PH2 in dimethyl sulfoxide, 2-(2, 4-dichlorophenyl) hexan-1-ene is produced, which is converted into a bromoalcohol and then reacted with 1,2, 4-triazole to give hexaconazole. (2) 2, 4-dichlorophenylbutyl ketone is reacted with (CH3)5S 1-dichlorophenyl) to give an epoxide, in the presence of sodium hydride, with 1, the reaction of 2, 4-triazole gives hexadimenol. |
| analytical method | GC and FID, residue means NPD, thermionic or ECD GC methods are used for the product. |
| allowable residue | hexaconazole is easily excreted by mammals, without obvious residue or mutagenic effect in tissues and organs. At the recommended concentration, the residues in the treated crops were very low (0.01~0.03mg/kg), the mobility in the soil was poor, and the degradation was very fast. |
| Use | This product is an azole fungicide, which is an alcohol demethylation inhibitor, it has broad-spectrum protective and therapeutic effects on diseases caused by fungi, especially basidiomycetes and ascomycetes. broad-spectrum protective and therapeutic effects on fungi, especially on diseases caused by basidiomycetes and ascomycetes |
Last Update：2024-04-09 21:32:08
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