Biloxazol
Bitertanol
CAS: 55179-31-2
Molecular Formula: C20H23N3O2
Biloxazol - Names and Identifiers
| Name | Bitertanol |
| Synonyms | Baycor (1RS,2RS Biloxazol baycor25wp Bitertanol baymat-spray 1-(4-phenylphenoxy)-1-(1,2,4-triazole-1)-3,3-dimethylbutan-2-ol 3,3-DIMETHYL-1-(4-PHENYLPHENOXY)-1-(1,2,4-TRIAZOL-1-YL)BUTAN-2-OL 1-(biphenyl-4-yloxy)-3,3-dimethyl-1-(1H-1,2,4-triazol-1-yl)butan-2-ol beta-([1,1'-biphenyl]-4-yloxy)-alpha-tert-butyl-1H-1,2,4-triazol-1-ethanol 1RS,2RS)-1-(Biphenyl-4-yloxy)-3,3-dimethyl-1-(1H-1,2,4-triazol-1-yl)butan-2-ol 1h-1,2,4-triazole-1-ethanol,beta-((1,1'-biphenyl)-4-yloxy)-alpha-(1,1-dimethyl 1RS,2RS)-1-(biphenyl-4-yloxy)-3,3-dimethyl-1-(1H-1,2,4-triazole-l-yl)butan-2-ol |
| CAS | 55179-31-2 |
| EINECS | 259-513-5 |
| InChI | InChI=1/C20H23N3O2/c1-20(2,3)18(24)19(23-14-21-13-22-23)25-17-11-9-16(10-12-17)15-7-5-4-6-8-15/h4-14,18-19,24H,1-3H3 |
Biloxazol - Physico-chemical Properties
| Molecular Formula | C20H23N3O2 |
| Molar Mass | 337.42 |
| Density | 1.1676 (rough estimate) |
| Melting Point | 49-50°C |
| Boling Point | 350°C |
| Flash Point | 100°C |
| Water Solubility | A 2.7 mg l-1 (20 °C)B 1.1 mg l-1 (20 °C) |
| Vapor Presure | A 2.2 x l0-10 (20 °C)B 2.5 x l0-9 (20 °C) |
| Appearance | neat |
| Merck | 13,1301 |
| BRN | 620948 |
| pKa | 13.40±0.20(Predicted) |
| Storage Condition | 2-8℃ |
| Refractive Index | 1.6200 (estimate) |
| MDL | MFCD00055508 |
| Physical and Chemical Properties | The pure product was a colorless crystalline solid. m.p.125 -129 °c (136.7 °c for diastereomer A, 145.2 °c for B, and 118 °c for A and B low co-solubles). The vapor pressure at 20 °c was <1.0 x 10-3Pa [A was 3.8 x 10-3PA, B was 3.2 x 10-3Pa (100 °c)]. Solubility at 20 ° C: dichloromethane 100 ~ 200g/L (A is 200 ~ 500g/L, B is 50 ~ 100g/L), isopropanol 30~100g/L [20~50g (A or B)/L], toluene 10~30g/L [A is 10~20g/L, B is 1~2G/L], n-hexane 1~10g/L [≤ 10g (A or B)/L], water 5mg/L [2.9mg (A)/L, 1.6mg (B)/L]. Partition coefficient 126000(A), 25000(B). It is stable in both acidic and alkaline media, and is stable under normal conditions. |
| Use | Used as a broad-spectrum fungicide |
Biloxazol - Risk and Safety
| Hazard Symbols | T - Toxic |
| Risk Codes | R22 - Harmful if swallowed R23 - Toxic by inhalation |
| Safety Description | 45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 2811 |
| WGK Germany | 2 |
| RTECS | XZ4803050 |
| Toxicity | LD50 in rats, male and female mice (mg/kg): >5000, 4488, 4202 orally (Brandes) |
Biloxazol - Upstream Downstream Industry
| Raw Materials | hydrazine hydrate |
Biloxazol - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Agricultural fungicides | There are many agricultural fungicides. Biphenyltriadimenol is one of them. It belongs to the fungicide in the field of plant protection and has dual effects of prevention and treatment. It is to inhibit the composition of the fungal membrane. Ergosterol, a necessary component, causes the accumulation of sterol intermediates in the affected fungi, while ergosterol gradually decreases and is exhausted, thereby interfering with the synthesis of cell membranes, causing cell deformation, hyphal expansion, branch deformity, and growth inhibition. It is used to prevent and control rust, powdery mildew, leaf spot, scab, etc. of various plants. It has protective and therapeutic effects. Low toxicity to humans and animals, slight irritation to the eye mucosa, no irritation to the skin, moderate toxicity to fish and aquatic organisms, and low toxicity to bees. |
| toxicity | acute oral LD50>5000 mg/kg in rats, 4200~4500 mg/kg in mice and 5000 mg/kg in dogs. Acute percutaneous LD50>5000mg/kg in rats. Acute inhalation of LC50>717mg/m3 (1h) or> 500mg/m3 (4h) in rats. The subchronic non-effect dose in rats was 100mg/kg. No carcinogenic, teratogenic and mutagenic effects. There was no abnormality in the three-generation reproduction test and neurotoxicity test. Carp LC502.5 mg/L (48h). Rainbow trout LC502.2 ~ 2.7 mg/L (96h). Safe for bees. |
| use | broad-spectrum, high-efficiency, systemic grate killer. It can penetrate the stratum corneum of the leaf surface and enter the plant tissue, which has protection, treatment and eradication effects. It is mainly used to prevent and control fruit tree scab, rot, banana, peanut leaf spot and rust and powdery mildew of various crops. To prevent peanut rust, leaf spot, cotton and soybean rust, spray water with 30% emulsifiable concentrate 6~9mL/100 m2 at intervals of 12~15 days for a total of 2~3 times. To control leaf spot, powdery mildew, rust, anthracnose and angular spot of kidney beans and cucurbitaceae vegetables, 40% emulsifiable concentrate 7.5mL/100 m2, base rot 12mL/100 m2, sugar beet brown spot 15~30mL/100 m2, and powdery mildew and rust 10.5~12mL/100m2 were used to spray the stems and leaves after water. 0.0125% ~ 0.0188% content for prevention and treatment of apple rust and black star disease has obvious side effects on apple powdery mildew, so special attention should be paid to it. In addition, it can also be applied to peach scab, wheat leaf perforation, pear rust, scab, and rust of ornamental plants such as chrysanthemum, caryophyllum, geranium, and rose. Used as a broad-spectrum fungicide |
| Production method | Chlorination of 3, 3-dimethyl-2-butanone to produce 1-chloro-3, 3-dimethyl-2-butanone, and then condensation with 4-phenyl-1-phenol to produce 3, 3-dimethylbutanone-based diphenyl ether, and then chlorination of trithioyl chloride to 1-chloro-3, 1-[(1,1 '-biphenyl)-4-oxy]-3,3-dimethyl -1-(1H-1,2, 4-triazol-1)-2-butanone was synthesized with 3-dimethyl-dimethyl -1-(1H-1,2, 4-triazolyl -1)-2-butanone. The product is reduced in methanol solution with sodium borohydride at room temperature for 12h, or reduced with formic acid and triethylamine to prepare diphenyltriadimenol. |
| category | pesticide |
| toxicity classification | low toxicity |
| acute toxicity | oral-rat LD50: 5000 mg/kg; Oral-mouse LD50: 4200 mg/kg |
| flammability hazard characteristics | combustion produces toxic nitrogen oxide gas |
| storage and transportation characteristics | warehouse ventilation and low temperature drying; separate from food raw materials storage and transportation |
| fire extinguishing agent | dry powder, foam, sand |
Last Update：2024-04-09 02:00:09
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View History
Raw Materials for Biloxazol