MSMA (CAS 2163-80-6) — formula CH4AsNaO3, molecular weight 161.952; category fertilizers.
MSMA (CAS 2163-80-6) is a chemical raw material in the fertilizers category. Its molecular formula CH4AsNaO3 comprises 1 C, 4 H, 1 As, 1 Na, 3 O atoms. Its molecular weight is about 161.952. Reported physicochemical data: melting point around 235 to 241 °F (NTP, 1992), LogP about log Kow= -3.10. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 2163-80-6 |
|---|---|
| Molecular Formula | CH4AsNaO3 |
| Molecular Weight | 161.952 |
| Melting Point | 235 to 241 °F (NTP, 1992) |
| LogP | log Kow= -3.10 |
| Applications | post-emergence herbicide for turf, cotton, and non-cropland, Farming (Pesticides), 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./ |
| Category | Fertilizers |
Documented applications: post-emergence herbicide for turf, cotton, and non-cropland, Farming (Pesticides), 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./.
MSMA is a fertilizer compound with CAS registry number 2163-80-6 and molecular formula CH4AsNaO3 (molecular weight 161.952), belonging to the fertilizers segment of chemical raw materials.
CAS number: 2163-80-6
Its molecular formula CH4AsNaO3 comprises 1 C, 4 H, 1 As, 1 Na, 3 O atoms.
Also known as: MSMA · 甲基胂酸钠 · Sodium methylarsonate
Category: fertilizers
The CAS registry number of MSMA is 2163-80-6.
Molecular formula CH4AsNaO3, molecular weight 161.952.
It is also registered under: MSMA, 甲基胂酸钠, Sodium methylarsonate.
Recorded applications: post-emergence herbicide for turf, cotton, and non-cropland, Farming (Pesticides), 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./.
Category: Fertilizers.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for MSMA (CAS 2163-80-6), compiled from public chemistry databases.
| 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..
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 甲基丙烯酸甲酯