甲基丙烯酸甲酯（CAS 2163-80-6）：分子式 CH4AsNaO3、分子量 161.952。
| CAS号 | 2163-80-6 |
|---|---|
| 分子式 | CH4AsNaO3 |
| 分子量 | 161.952 |
| 熔点 | 235 to 241 °F (NTP, 1992) |
| LogP | log Kow= -3.10 |
| 应用领域 | Uses: Used as post-emergence herbicide for turf、cotton、and non-cropland、[HSDB]、Farming (Pesticides) [Category: Industry]、For Sodium methanearsonate (USEPA、OPP Pesticide Code: 013803) ACTIVE products with label matches.、SRP: Registered for use in the U.S. but approved pesticide uses may change periodically and so federal、state and local authorities must be consulted for currently approved uses.、Post-emergence herbicide for grassy weeds.、ONE OF THE FIRST MAJOR USES WAS AS A SELECTIVE HERBICIDE FOR POSTEMERGENCE CONTROL OF CRABGRASS、DALLISGRASS、& OTHER WEEDY GRASSES IN TURF. CURRENTLY IT IS USED...AS SELECTIVE POSTEMERGENT HERBICIDE IN COTTON & NONCROP AREAS FOR CONTROL OF JOHNSONGRASS、NUTSEDGE、WATERGRASS、SANDBUR、FOXTAIL、COCKLEBUR、PIGWEED、& OTHER WEEDS. IT IS WIDELY USED...FOR CONTROLLING WEEDS & GRASSES IN NONCROP AREAS. NOT FOR USE ON ST AUGUSTINE OR CENTIPEDEGRASS WHERE ITS USE AS TURF IS DESIRABLE. ALSO MIXED WITH 2、4-D、2、4、5-T BRUSHKILLERS ON NONCROPPED AREAS TO INCREASE CONIFER & OTHER BRUSH SPECIES KILL OR DIEBACK.、MONO AND SODIUM SALTS、Methylarsonic acid、disodium salt is used as an herbicide and pesticide. (L389)、monosodium salt is used as an herbicide and pesticide. (L389)、Use Classification: HERBICIDES、Household Products: Information on 5 consumer products that contain Monosodium acid methanearsonate in the following categories is provided:、• Pesticides、Methods of Manufacturing: MSMA is produced by the reaction of diarsenic trioxide with methyl chloride and aq sodium hydroxide or by the methylation of sodium arsenite by dimethyl sulfate、MSMA ... formed from DSMA at pH 6-7.、Methyl chloride + arsenic trioxide + sulfuric acid + sodium hydroxide (reaction、neutralization)、Formulations、Preparations: USEPA、OPP Pesticide Code 013803、Trade Names: Weed-broom (Use 3 code Nos. 012301、013803 & 030001) mixt、(DSMA、Bromacil & 2、4-D)、Ansar 529、Ansar 170、Target MSMA、Phyban H.C.、Deconate、Mesamate、Bueno、Monate Merge 823、Dal-e-rad、Weed-s-rad、Arsanote liquid、Silvisar 550.、monosodium salt is avail for farm applications as a tech grade in combination with a surfactant、or in combination with sodium cacodylate、dimethylarsinic acid and a surfactant.、MSMA CONTENT、IN LB、GAL: WEED-HOE 120、6.67、ANSAR 170、ANSAR 170 HC、8.0、WEED-HOE-2X、ANSAR 529 (SURFACTANT)、4.0、WEED-E-RAD +W、4.02 (SURFACTANT)、DAL-E-RAD 70 +W、WEED-HOE 100 +W、5.56 (SURFACTANT)、ANSAR 529 HC、6.0 (SURFACTANT)、MONEX 3、6.0、PHYBAN HC、BROADSIDE、3.0、CHEX-MATE、3.00 (SURFACTANT).、FROM TABLE、Liq (8 lb、gal) ... Silvisar 550 (tree killer for forestry use). Target MSMA 8 (8lb、gal)、Target MSMA 6.6 (6.6 lb、Target MSMA 6 (6 lb、gal) + surfactant: Target MSMA 4 (4 lb、gal) + surfactant ... .、For more Formulations、Preparations (Complete) data for SODIUM METHANEARSONATE (10 total)、please visit the HSDB record page.、General Manufacturing Information: May be formed by decomp of DSMA、disodium methanearsonate、at pH 6-7.、... MSMA、HAS BEEN USED、IN CONJUNCTION WITH TRIFLURALIN TO CONTROL JOHNSONGRASS ... PREPLANT APPLICATION OF TRIFLURALIN REDUCED NUMBER OF MSMA APPLICATIONS NEEDED FOR COMPLETE WEED CONTROL BEFORE COTTON BLOOMED.、IN MSMA TREATMENT、... ATRAZINE ... FACILITATES UPTAKE OF ARSENIC BY、GRAPE、PLANT.、Incompatabilities: water with high calcium、magnesium、and iron may cause precipitate、these cations form insoluble methane arsonate salts.、For more General Manufacturing Information (Complete) data for SODIUM METHANEARSONATE (7 total) |
登记用途：Uses: Used as post-emergence herbicide for turf、cotton、and non-cropland、[HSDB]、Farming (Pesticides) [Category: Industry]、For Sodium methanearsonate (USEPA、OPP Pesticide Code: 013803) ACTIVE products with label matches.、SRP: Registered for use in the U.S. but approved pesticide uses may change periodically and so federal、state and local authorities must be consulted for currently approved uses.、Post-emergence herbicide for grassy weeds.、ONE OF THE FIRST MAJOR USES WAS AS A SELECTIVE HERBICIDE FOR POSTEMERGENCE CONTROL OF CRABGRASS、DALLISGRASS、& OTHER WEEDY GRASSES IN TURF. CURRENTLY IT IS USED...AS SELECTIVE POSTEMERGENT HERBICIDE IN COTTON & NONCROP AREAS FOR CONTROL OF JOHNSONGRASS、NUTSEDGE、WATERGRASS、SANDBUR、FOXTAIL、COCKLEBUR、PIGWEED、& OTHER WEEDS. IT IS WIDELY USED...FOR CONTROLLING WEEDS & GRASSES IN NONCROP AREAS. NOT FOR USE ON ST AUGUSTINE OR CENTIPEDEGRASS WHERE ITS USE AS TURF IS DESIRABLE. ALSO MIXED WITH 2、4-D、2、4、5-T BRUSHKILLERS ON NONCROPPED AREAS TO INCREASE CONIFER & OTHER BRUSH SPECIES KILL OR DIEBACK.、MONO AND SODIUM SALTS、Methylarsonic acid、disodium salt is used as an herbicide and pesticide. (L389)、monosodium salt is used as an herbicide and pesticide. (L389)、Use Classification: HERBICIDES、Household Products: Information on 5 consumer products that contain Monosodium acid methanearsonate in the following categories is provided:、• Pesticides、Methods of Manufacturing: MSMA is produced by the reaction of diarsenic trioxide with methyl chloride and aq sodium hydroxide or by the methylation of sodium arsenite by dimethyl sulfate、MSMA ... formed from DSMA at pH 6-7.、Methyl chloride + arsenic trioxide + sulfuric acid + sodium hydroxide (reaction、neutralization)、Formulations、Preparations: USEPA、OPP Pesticide Code 013803、Trade Names: Weed-broom (Use 3 code Nos. 012301、013803 & 030001) mixt、(DSMA、Bromacil & 2、4-D)、Ansar 529、Ansar 170、Target MSMA、Phyban H.C.、Deconate、Mesamate、Bueno、Monate Merge 823、Dal-e-rad、Weed-s-rad、Arsanote liquid、Silvisar 550.、monosodium salt is avail for farm applications as a tech grade in combination with a surfactant、or in combination with sodium cacodylate、dimethylarsinic acid and a surfactant.、MSMA CONTENT、IN LB、GAL: WEED-HOE 120、6.67、ANSAR 170、ANSAR 170 HC、8.0、WEED-HOE-2X、ANSAR 529 (SURFACTANT)、4.0、WEED-E-RAD +W、4.02 (SURFACTANT)、DAL-E-RAD 70 +W、WEED-HOE 100 +W、5.56 (SURFACTANT)、ANSAR 529 HC、6.0 (SURFACTANT)、MONEX 3、6.0、PHYBAN HC、BROADSIDE、3.0、CHEX-MATE、3.00 (SURFACTANT).、FROM TABLE、Liq (8 lb、gal) ... Silvisar 550 (tree killer for forestry use). Target MSMA 8 (8lb、gal)、Target MSMA 6.6 (6.6 lb、Target MSMA 6 (6 lb、gal) + surfactant: Target MSMA 4 (4 lb、gal) + surfactant ... .、For more Formulations、Preparations (Complete) data for SODIUM METHANEARSONATE (10 total)、please visit the HSDB record page.、General Manufacturing Information: May be formed by decomp of DSMA、disodium methanearsonate、at pH 6-7.、... MSMA、HAS BEEN USED、IN CONJUNCTION WITH TRIFLURALIN TO CONTROL JOHNSONGRASS ... PREPLANT APPLICATION OF TRIFLURALIN REDUCED NUMBER OF MSMA APPLICATIONS NEEDED FOR COMPLETE WEED CONTROL BEFORE COTTON BLOOMED.、IN MSMA TREATMENT、... ATRAZINE ... FACILITATES UPTAKE OF ARSENIC BY、GRAPE、PLANT.、Incompatabilities: water with high calcium、magnesium、and iron may cause precipitate、these cations form insoluble methane arsonate salts.、For more General Manufacturing Information (Complete) data for SODIUM METHANEARSONATE (7 total)。
甲基丙烯酸甲酯 是一种化工化合物，登记 CAS 号为 2163-80-6，分子式 CH4AsNaO3（分子量 161.952）。
登记 CAS 号：2163-80-6
其分子式 CH4AsNaO3 由 1 个碳、4 个氢、1 个砷、1 个钠、3 个氧 组成。
别名/同义词：甲基丙烯酸甲酯 · MSMA · Sodium methylarsonate
甲基丙烯酸甲酯 的 CAS 登记号为 2163-80-6。
分子式 CH4AsNaO3，分子量 161.952。
别名/同义词：甲基丙烯酸甲酯、MSMA、Sodium methylarsonate。
登记用途：Uses: Used as post-emergence herbicide for turf、cotton、and non-cropland、[HSDB]、Farming (Pesticides) [Category: Industry]、For Sodium methanearsonate (USEPA、OPP Pesticide Code: 013803) ACTIVE products with label matches.、SRP: Registered for use in the U.S. but approved pesticide uses may change periodically and so federal、state and local authorities must be consulted for currently approved uses.、Post-emergence herbicide for grassy weeds.、ONE OF THE FIRST MAJOR USES WAS AS A SELECTIVE HERBICIDE FOR POSTEMERGENCE CONTROL OF CRABGRASS、DALLISGRASS、& OTHER WEEDY GRASSES IN TURF. CURRENTLY IT IS USED...AS SELECTIVE POSTEMERGENT HERBICIDE IN COTTON & NONCROP AREAS FOR CONTROL OF JOHNSONGRASS、NUTSEDGE、WATERGRASS、SANDBUR、FOXTAIL、COCKLEBUR、PIGWEED、& OTHER WEEDS. IT IS WIDELY USED...FOR CONTROLLING WEEDS & GRASSES IN NONCROP AREAS. NOT FOR USE ON ST AUGUSTINE OR CENTIPEDEGRASS WHERE ITS USE AS TURF IS DESIRABLE. ALSO MIXED WITH 2、4-D、2、4、5-T BRUSHKILLERS ON NONCROPPED AREAS TO INCREASE CONIFER & OTHER BRUSH SPECIES KILL OR DIEBACK.、MONO AND SODIUM SALTS、Methylarsonic acid、disodium salt is used as an herbicide and pesticide. (L389)、monosodium salt is used as an herbicide and pesticide. (L389)、Use Classification: HERBICIDES、Household Products: Information on 5 consumer products that contain Monosodium acid methanearsonate in the following categories is provided:、• Pesticides、Methods of Manufacturing: MSMA is produced by the reaction of diarsenic trioxide with methyl chloride and aq sodium hydroxide or by the methylation of sodium arsenite by dimethyl sulfate、MSMA ... formed from DSMA at pH 6-7.、Methyl chloride + arsenic trioxide + sulfuric acid + sodium hydroxide (reaction、neutralization)、Formulations、Preparations: USEPA、OPP Pesticide Code 013803、Trade Names: Weed-broom (Use 3 code Nos. 012301、013803 & 030001) mixt、(DSMA、Bromacil & 2、4-D)、Ansar 529、Ansar 170、Target MSMA、Phyban H.C.、Deconate、Mesamate、Bueno、Monate Merge 823、Dal-e-rad、Weed-s-rad、Arsanote liquid、Silvisar 550.、monosodium salt is avail for farm applications as a tech grade in combination with a surfactant、or in combination with sodium cacodylate、dimethylarsinic acid and a surfactant.、MSMA CONTENT、IN LB、GAL: WEED-HOE 120、6.67、ANSAR 170、ANSAR 170 HC、8.0、WEED-HOE-2X、ANSAR 529 (SURFACTANT)、4.0、WEED-E-RAD +W、4.02 (SURFACTANT)、DAL-E-RAD 70 +W、WEED-HOE 100 +W、5.56 (SURFACTANT)、ANSAR 529 HC、6.0 (SURFACTANT)、MONEX 3、6.0、PHYBAN HC、BROADSIDE、3.0、CHEX-MATE、3.00 (SURFACTANT).、FROM TABLE、Liq (8 lb、gal) ... Silvisar 550 (tree killer for forestry use). Target MSMA 8 (8lb、gal)、Target MSMA 6.6 (6.6 lb、Target MSMA 6 (6 lb、gal) + surfactant: Target MSMA 4 (4 lb、gal) + surfactant ... .、For more Formulations、Preparations (Complete) data for SODIUM METHANEARSONATE (10 total)、please visit the HSDB record page.、General Manufacturing Information: May be formed by decomp of DSMA、disodium methanearsonate、at pH 6-7.、... MSMA、HAS BEEN USED、IN CONJUNCTION WITH TRIFLURALIN TO CONTROL JOHNSONGRASS ... PREPLANT APPLICATION OF TRIFLURALIN REDUCED NUMBER OF MSMA APPLICATIONS NEEDED FOR COMPLETE WEED CONTROL BEFORE COTTON BLOOMED.、IN MSMA TREATMENT、... ATRAZINE ... FACILITATES UPTAKE OF ARSENIC BY、GRAPE、PLANT.、Incompatabilities: water with high calcium、magnesium、and iron may cause precipitate、these cations form insoluble methane arsonate salts.、For more General Manufacturing Information (Complete) data for SODIUM METHANEARSONATE (7 total)。
甲基丙烯酸甲酯（CAS 2163-80-6）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 2163-80-6 |
|---|---|
| PubChem CID | 23664719 |
| Molecular formula | CH4AsNaO3 |
| IUPAC name | sodium hydroxy(methyl)arsinate |
| UNII (FDA) | 600QCW45IV |
| Molecular Weight | 161.952 |
|---|---|
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 0 |
| Exact Mass | 161.927408 |
| Monoisotopic Mass | 161.927408 |
| Topological Polar Surface Area | 60.4 |
| Heavy Atom Count | 6 |
| Melting Point | 235 to 241 °F (NTP, 1992) |
|---|---|
| Melting Point | 130-140 °C |
| Solubility | In water, 5.8X10+5 mg/l @ 20 °C. |
| Vapor Pressure | 0.00000008 [mmHg] |
| Vapor Pressure | 1X10-5 Pa @ 25 °C (7.8X10-8 mm Hg) |
| LogP | log Kow= -3.10 |
| Dissociation Constants | pKa1= 4.1; pKa2 = 9.02 |
2163-80-6; Monosodium methanearsonate; Daconate; SODIUM METHANEARSONATE; Gepiron; Mesamate; Monoban; Drexar; Monate; Phyban; Bueno; Super Arsonate; Sodium hydrogen methylarsonate; Ansar 6.6; Herb-All; Herban M
| Reported hazard statements | H301 (90.7%), H331 (90.7%), H400 (90.7%), H410 (90.7%) |
|---|
H301 (90.7%): Toxic if swallowed [Danger Acute toxicity, oral]
H331 (90.7%): Toxic if inhaled [Danger Acute toxicity, inhalation]
Sodium methylarsonate · CAS 2163-80-6 · CH4AsNaO3. UNII 600QCW45IV. Melting Point: 235 to 241 °F (NTP, 1992); Melting Point: 130-140 °C; Solubility: In water, 5.8X10+5 mg/l @ 20 °C..
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: MSMA