Orthosulfamuron , 213464-77-8

Synonym(s):
1-(4,6-Dimethoxy-2-pyrimidinyl)-3-[2-(dimethylcarbamoyl)phenylsulfamoyl]urea

CAS NO.：213464-77-8

Empirical Formula: C16H20N6O6S

Molecular Weight: 424.43

MDL number: MFCD09027340

PRODUCT Properties

• Melting point: 160–162°C
• Density: 1.466±0.06 g/cm3(Predicted)
• vapor pressure: <1.1 × 10-4 (Pa at 25 °C)
• storage temp.: Refrigerator, under inert atmosphere
• solubility: Solubility in organic solvents (g/l at 20 °C); Acetone 20; Ethyl acetate 3.3; Dichloromethane 56; n‐Heptane 0.00023; Methanol 8.3; Xylene 0.13
• pka: Dissociation constant (pKa at 20 °C) Predicted to have five overlapping dissociation constants: ?1.4, 0.7, 3.5, 9.6, 11.5
• color: White to Off-White
• Water Solubility: Solubility in water (g/l at 20 °C) 0.026 (pH 4, buffer) 0.63 (pH 7, buffer) 39 (pH 8.5, buffer)
• BRN: 11343666
• Stability: Moisture Sensitive
• LogP: 0.3-2.02 at 20℃ and pH4-9
• Surface tension: 71.4mN/m at 37.7mg/L and 22℃
• EPA Substance Registry System: Benzamide, 2-[[[[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]amino]-N,N-dimethyl- (213464-77-8)

Description and Uses

Orthosulfamuron can be used in biological study and agricultural use of herbicidal composition comprising erlukuilincaotong, cyhalofop-?butyl and sulfonylurea herbicide, and its application in controlling annual weed of rice field.

Safety

• Symbol(GHS): GHS09
• Signal word: Warning
• Hazard statements: H400
• Precautionary statements: P273-P391-P501
• WGK Germany: 3
• Hazardous Substances Data: 213464-77-8(Hazardous Substances Data)