氟嘧磺隆

氟嘧磺隆用途

【用途一】
是磺酰脲类高效内吸选择性除草剂，适用于玉米田防除禾本科杂草和阔叶杂草
【用途二】
磺酰脲类除草剂，属支链氨基酸合成抑制剂。通过根部吸收，并迅速转移到分生组织，其吸收速率取决于植物生长阶段，还与土壤的温度和湿度有关。用于玉米田防除禾本科杂草和阔叶杂草。用量10～40g有效成分/hm²。最佳施药期为玉米3～7叶生长期，芽前使用。

氟嘧磺隆名称

[ CAS 号 ]:
86209-51-0

[ 中文名 ]:
氟嘧磺隆

[ 英文名 ]:
primisulfuron-methyl

[中文别名 ]:

氟氯磺隆

[英文别名 ]:

Primisulfuron-methyl
MFCD00337169

氟嘧磺隆物理化学性质

[ 密度 ]:
1.582g/cm3

[ 熔点 ]:
203.1ºC

[ 分子式 ]:
C₁₅H₁₂F₄N₄O₇S

[ 分子量 ]:
468.33700

[ 闪点 ]:
203 °C

[ 精确质量 ]:
468.03600

[ PSA ]:
154.19000

[ LogP ]:
3.52110

[ 折射率 ]:
1.535

[ 储存条件 ]:
2-8°C

氟嘧磺隆MSDS

详细MSDS(安全技术说明书)

氟嘧磺隆毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DG4436000

CHEMICAL NAME :: Benzoic acid, 2-(((((4,6-bis(difluoromethoxy)-2-pyrimidinyl)amino)c arbonyl)amino)sulfony l)-, methyl ester

CAS REGISTRY NUMBER :: 86209-51-0

LAST UPDATED :: 199710

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C15-H12-F4-N4-O7-S

MOLECULAR WEIGHT :: 468.37

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >5050 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: FMCHA2 Farm Chemicals Handbook. (Meister Pub., 37841 Euclid Ave., Willoughy, OH 44094) Volume(issue)/page/year: -,C40,1991

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >2010 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: FMCHA2 Farm Chemicals Handbook. (Meister Pub., 37841 Euclid Ave., Willoughy, OH 44094) Volume(issue)/page/year: -,C40,1991

氟嘧磺隆安全信息

[ 符号 ]:

GHS09

[ 信号词 ]:
Warning

[ 危害声明 ]:
H400

[ 警示性声明 ]:
P273

[ 危害码 (欧洲) ]:
N

[ 风险声明 (欧洲) ]:
50/53

[ 安全声明 (欧洲) ]:
60-61

[ 危险品运输编码 ]:
UN 3077 9 / PGIII

[ RTECS号 ]:
DG4436000

氟嘧磺隆制备

【方法一】
4，6-双（二氟甲氧基）-2-氨基嘧啶的制备在压力釜内，加入21g (0.1mol)无水4，6-二羟基-2-甲硫基嘧啶二钠盐，5g R4N⁺ Cl^- ，100mL乙腈，升温至50℃，在10min内加入50g (0.57mol)二氟一氯甲烷，反应压力升至2×10⁵Pa。6h后泄压，过滤，乙腈洗滤渣，滤液减压脱溶，熔融产物用50mL热水洗涤，制得4，6-双（二氟甲氧基）-2-甲硫基嘧啶16.0g，收率55.8%，纯度90%。
将上步产物5.7g (0.02mol)与100mL冰醋酸混合后，升温至80～85℃，滴加30%H2O2 18mL，滴毕保温反应2h。将反应物倒入水中，二氯甲烷提取。有机相脱溶后用乙醚重结晶，制得4,6-双（二氟甲氧基）-2-甲磺酰基嘧啶5.5g，收率96.6%。将上述产物5g (0.017mol)，二氯甲烷100mL沸合后，于室温下滴加25mL 30%氨水，搅拌0.5h，回流反应2h。有机相脱溶，制得4，6-双（二氟甲氧基）-2-氨基嘧啶4.0g，m.p.68～70℃，反应定量完成。
4，6-双（二氟甲氧基）-2-氨基嘧啶也可通过丙二酸二甲酯制备。

氟嘧磺隆的合成 2-甲氧基羰基苯磺酰异氰酸酯与4，6-双（二氟甲氧基）-2-氨基嘧啶作用，制得氟嘧磺隆。

氟嘧磺隆文献

Crosstalk and differential response to abiotic and biotic stressors reflected at the transcriptional level of effector genes from secondary metabolism.

Plant Mol. Biol. 54(6) , 817-35, (2004)

Plant secondary metabolism significantly contributes to defensive measures against adverse abiotic and biotic cues. To investigate stress-induced, transcriptional alterations of underlying effector ge...

Degradation of primisulfuron by a combination of chemical and microbiological processes.

J. Agric. Food Chem. 48(6) , 2565-71, (2000)

Microbial degradation of the herbicide primisulfuron was investigated using enrichment cultures from contaminated soils and 20 axenic cultures. At neutral pH, no disappearance of the herbicide was det...

AtOPT6 transports glutathione derivatives and is induced by primisulfuron.

Plant Physiol. 135(3) , 1378-87, (2004)

The oligopeptide transporter (OPT) family contains nine members in Arabidopsis. While there is some evidence that AtOPTs mediate the uptake of tetra- and pentapeptides, OPT homologs in rice (Oryza sat...

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