HSDB 6747
N-3,5-dichlorophenyl-5-methyl-5-vinyl-1,3-oxazolidine-2,4-dione
CAS: 50471-44-8
Molecular Formula: C12H9Cl2NO3
HSDB 6747 - Names and Identifiers
HSDB 6747 - Physico-chemical Properties
| Molecular Formula | C12H9Cl2NO3 |
| Molar Mass | 286.11 |
| Density | 1.51 g/cm3 |
| Melting Point | 108℃ |
| Boling Point | 131℃ (0.05mmHg) |
| Flash Point | 2°C |
| Water Solubility | 3.4 mg l-1 (20 °C) |
| Vapor Presure | 1.3 x 10-4 Pa (20 °C) |
| Appearance | neat |
| Merck | 13,10046 |
| BRN | 8331312 |
| pKa | -3.43±0.40(Predicted) |
| Storage Condition | APPROX 4°C |
| Refractive Index | 1.6100 (estimate) |
| Physical and Chemical Properties | Pure white crystals. 108 C, the vapor pressure of 13.3 x 10-6Pa. Solubility at 20 ° C: acetone 43.5%, chloroform 31.9%, benzene 14.6%, water 0.1%. It is stable in 0.1mol/L hydrochloric acid and neutral aqueous solution, and can be hydrolyzed slowly in alkaline solution. Industrial products are white to gray, purity greater than 96%,m. P. 106~108 ℃, with a weak aroma, in water to form a suspension, good diffusion properties. |
HSDB 6747 - Risk and Safety
| Risk Codes | R60 - May impair fertility R61 - May cause harm to the unborn child R40 - Limited evidence of a carcinogenic effect R43 - May cause sensitization by skin contact R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R36 - Irritating to the eyes R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R11 - Highly Flammable |
| Safety Description | S53 - Avoid exposure - obtain special instructions before use. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S36 - Wear suitable protective clothing. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S16 - Keep away from sources of ignition. S36/37 - Wear suitable protective clothing and gloves. |
| UN IDs | UN3077 9/PG 3 |
| WGK Germany | 3 |
| RTECS | RP8530000 |
| HS Code | 29349990 |
| Toxicity | LD50 orally in rats: 10 g/kg (Hess, Locher) |
HSDB 6747 - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| toxicity | acute oral LD50 in rats> 10000 mg/kg, oral LD50 in guinea pigs is 8000 mg/kg; Acute percutaneous LD50 in rats is 2500 mg/kg; Acute inhalation of LC50 in rats> 29.1mg/L. It has no irritating effect on rabbit eyes, but has moderate irritating effect on skin. The subchronic non-effect doses in rats and dogs were 450mg/kg and 300mg/kg, respectively. No teratogenic, mutagenic and carcinogenic effects. Carp LC5012mg/L (48h), rainbow trout 52.5mg/L, Daphnia 40mg/L. Quail acute oral LD50>2510mg/kg. Safe for bees, harmless to earthworms. |
| use | protective contact fungicide. It is safe for crops, can effectively prevent and control sclerotinia sclerotiorum and gray mold, can effectively kill gray mold, sclerotinia sclerotiorum, and has the effect of treating other fungi. Such as vegetable Rhizoctonia, leukoplakia, subspora, and Chitospora and Artemisia on ornamental plants. It can inhibit spore germination and bud tube growth. It also has a mite effect on grapes and vegetables. The usual dosage is 11.3~15g of 50% wettable powder per 100 square meters. The safe interval for use on tomato and cucumber is 21 ~ 35d. this product is a contact fungicide and has good control effect on gray mold of grape, gray mold of apple and pear. |
| Production method | 3, 5-dichlorobenzene isocyanate is made from 3, 5-dichlorobenzene by light gasification, and then combined with α-vinyl ethyl lactate In the presence of triethylamine, the reflux reaction is carried out in benzene solvent to obtain ethylene sclerite. preparation of 3, 5-dichlorophenyl isocyanate 3, 5-dichlorophenyl isocyanate was prepared by reacting 3, 5-dichloroaniline with phosgene. Synthesis of ethylene sclerotium in the presence of triethylamine, 35 g3, 5-dichlorophenyl isocyanate and 26g of 2-hydroxy-2-methyl-3-butenoate ethyl ester were refluxed in benzene solvent for 6h. After the reaction, benzene and triethylamine were removed by decompression distillation to obtain 42g (content 81%) of ethylene sclerotium with a melting point of 104~105 ℃. |
| category | pesticide |
| toxicity classification | low toxicity |
| acute toxicity | oral-rat LD50: 10000 mg/kg; Oral-mouse LD50: 10000 mg/kg |
| flammability hazard characteristics | Combustion produces toxic nitrogen oxides and chloride gases |
| 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 |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 21:04:16
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View History
HSDB 6747
tert-Butyl (2-(2-aminophenoxy)ethyl)carbamate
(2R)-2-{[(tert-butoxy)carbonyl](methyl)amino}-5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanoic acid
3-(4-Hydroxyphenyl)-propionic acid methyl ester
2-FLUOROPROPIONIC ACID ETHYL ESTER
1-(环丙烷羰基)-4-哌啶酮
2-氯-N-(1,5-二甲基-3-氧代-2-苯基-4-吡唑)丙酰胺
5-(吗啉-4-磺酰基)呋喃-2-羧酸
Erythromycin, 2'-(ethylbutanedioate)
1-[(2,6-二氯苯基)甲基]哌嗪
tert-Butyl (2-(2-aminophenoxy)ethyl)carbamate
(2R)-2-{[(tert-butoxy)carbonyl](methyl)amino}-5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanoic acid
3-(4-Hydroxyphenyl)-propionic acid methyl ester
2-FLUOROPROPIONIC ACID ETHYL ESTER
1-(环丙烷羰基)-4-哌啶酮
2-氯-N-(1,5-二甲基-3-氧代-2-苯基-4-吡唑)丙酰胺
5-(吗啉-4-磺酰基)呋喃-2-羧酸
Erythromycin, 2'-(ethylbutanedioate)
1-[(2,6-二氯苯基)甲基]哌嗪