Promethazine powder

Generic Name: Propyzamide

Product name: Kerb

Chemical name: 3,5-dichloro-N-(1,1-dimethylpropynyl)benzamide

Structural formula:

Physical and chemical properties:

Pure product is colorless crystalline solid; melting point 155~156℃; vapor pressure 11.3mPa (25℃): 15mg/l in water; easily soluble in many aliphatic and aromatic solvents. The purity of the original drug is 94~95%. Kow1234~1903±540. The melting point is the same as above.

toxicity

Acute oral LD50: male rat 8350mg/kg, female rat 5620mg/kg. Rabbit acute percutaneous LD50>3160mg/kg. The WP dosage form is slightly irritating to eyes and skin. Rat acute inhalation LC50>5.0mg/l. Subacute studies have shown no effect in dogs and rats at a dose of 300 mg/kg chow. The acute oral LD50 of Japanese quail was 8770mg/kg, and that of wild duck was more than 14mg/kg. Fish poison LC50: goldfish 350mg/l, rainbow trout 72mg/l, guppies 150mg/l, catfish 500mg/l. Application:

Selective herbicide for post-dental treatment. Controls many grass and broadleaf weeds such as wild oats, perennial sorghum, crabgrass, barnyardgrass, bluegrass, etc. in small-seeded legumes, lettuce, certain orchards, turf and some ornamental crops.

Technical grade: 98%

Preparations: various dosage forms.

Packaging: 25kg cardboard drum for the original drug, various packaging for preparations.

Appearance: off-white to white powder.

Safety Precautions:

Warning: Be careful!

Toxicity level: low toxicity

Protective equipment: long-sleeved shirt and trousers, protective gloves, shoes and socks.

Handling and Storage Precautions: Store in a dry and cool place, avoid direct sunlight. Store in original container. Lock container tightly when not in use. Stay away from food and drinks.

first-aid

Eyes: Wash with running water for at least 15 minutes. seek medical attention.

Skin: Carefully remove contaminated clothing and wash contact area with soap and water. Seek medical attention if necessary.

Ingestion: Rinse mouth with water. Relax the sick person and seek medical attention immediately.

Inhalation: Remove to fresh air and keep relaxed. seek medical attention.

Antidote: No antidote, treat symptomatically if needed.