迪斯曼公司

Name: 迪斯曼公司
Brand: 济南圣和化工有限公司

CAS 144-21-8CH3AsNa2O3MW 183.934

迪斯曼公司（CAS 144-21-8）属肥料类产品，分子式 CH3AsNa2O3，分子量 183.934。济南圣和化工有限公司常年现货供应该产品，常规纯度按批次COA提供(不公开发布)，可按客户需求安排分装包装，欢迎邮件或来电询价。

产品概览

CAS号	144-21-8
分子式	CH3AsNa2O3
分子量	183.934
熔点	>355 °C
LogP	Kow = <10
纯度	按批次COA提供(不公开发布)
包装	按订单/批次确认(不公开发布)
应用领域	肥料
类别	肥料

应用领域

肥料

迪斯曼公司主要应用于肥料。具体使用工况下的添加量与规格要求，欢迎与技术团队沟通确认。

包装与储存

包装规格按订单/批次确认(不公开发布)

纯度规格按批次COA提供(不公开发布)

储存条件密封、阴凉干燥处保存

运输常规化工运输

样品可协商提供

交期现货/按订单安排

采购提示：本产品按按订单/批次确认(不公开发布)起订发货，收到货物后请先核对包装完好性再行入库。储存条件为阴凉干燥、密封保存；如需 MSDS 或运输说明，可在询价时一并索取。

质量与文件

每批产品随货提供 COA（分析证书）；可按需提供 MSDS/技术数据表及第三方检测报告。纯度与包装以批次 COA 及订单确认为准。

关于供应商

选择济南圣和化工有限公司的理由：产品信息透明（含 CAS、分子式、理化参数）、报价响应快（一个工作日内）、单证齐全（COA/MSS/质检资料按需提供）、支持批量与长期协议供货。如需迪斯曼公司以外的配套原料，也欢迎一并列出需求清单。

常见问题

迪斯曼公司的 CAS 号是多少？

迪斯曼公司的 CAS 号为 144-21-8。

该产品的纯度和包装规格是什么？

常规纯度规格为按批次COA提供(不公开发布)，包装为按订单/批次确认(不公开发布)，随货提供 COA。

迪斯曼公司有什么用途？

主要应用于肥料。

如何购买或获取报价？

请发送邮件至 info@591daili.com 或通过 WhatsApp 联系，注明产品名称、CAS 号与需求数量，一个工作日内回复报价。供应商：济南圣和化工有限公司。

PubChem 公开数据

Description

DSMA · CAS 144-21-8 · CH3AsNa2O3. UNII 7NK4BV40VN. Melting Point: >355 °C; Solubility: In water, 4.32X10+5 mg/l @ 25 °C; Density: 1.04 g/ml.

Identification

CAS Registry Number	144-21-8
PubChem CID	8947
Molecular formula	CH3AsNa2O3
IUPAC name	disodium;methyl-dioxido-oxo-λ5-arsane
UNII (FDA)	7NK4BV40VN

Computed Descriptors

Molecular Weight	183.934
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	0
Exact Mass	183.909352
Monoisotopic Mass	183.909352
Topological Polar Surface Area	63.2
Heavy Atom Count	7
Formal Charge	0
Complexity	49.8

Physical & Chemical Properties

Melting Point	>355 °C
Solubility	In water, 4.32X10+5 mg/l @ 25 °C
Density	1.04 g/ml
Vapor Pressure	0.0000001 [mmHg]
Vapor Pressure	10-7 mm Hg @ 25 °C
LogP	Kow = <10
Dissociation Constants	pKa1 = 4.1; pKa2 = 8.94

Physical description & handling notes

Colorless hygroscopic solid; [Hawley]
Hydrated crystals containing 5H2O or 6H2O
Monoclinic spear-shaped plates from absolute alcohol
White crystalline solid
Pleasant acid taste
Melting point 132-139 °C /Disodium methanearsonate hexahydrate/

GHS Hazard Classification

Reported hazard statements	H301 (95%), H331 (97.5%), H400 (100%), H410 (97.5%)

H301 (95%): Toxic if swallowed [Danger Acute toxicity, oral]

H331 (97.5%): Toxic if inhaled [Danger Acute toxicity, inhalation]

Documented Uses

Used as herbicide for control of grass weeds in turf, cotton, and non-crop areas; Also used in pharmaceuticals; [HSDB]
Recommended to control grass weeds on non-crop areas; directed spray under trees.
USEFUL AS DIRECTED APPLICATION ... FOR POST-EMERGENT CONTROL OF WEEDS AND GRASSES, IN ZOYSIA, BLUEGRASS, AND BERMUDA GRASS LAWNS, GENERAL NON-CROP WEED CONTROL ... .
For more Uses (Complete) data for DISODIUM METHANEARSONATE (6 total), please visit the HSDB record page.
Reaction of methyl chloride with sodium arsenate.
Prepared from sodium arsenite and methyl iodide.

Synonyms

144-21-8; Disodium methylarsonate; DISODIUM METHANEARSONATE; Disomear; DSMA; Metharsan; Stenosine; Tonarsan; Tonarsin; Arsynal; Diarsen; Methar; Namate; Somar; Neo-Asycodile; Weed broom

Frequently Asked Questions

What are the CAS number and molecular formula of DSMA?

CAS 144-21-8; molecular formula CH3AsNa2O3; molecular weight — g/mol.

What other names is DSMA known by?

144-21-8, Disodium methylarsonate, DISODIUM METHANEARSONATE, Disomear, DSMA, Metharsan.

Is DSMA classified as hazardous?

Hazard statements reported: H301, H331, H400, H410.

What are the key physical properties of DSMA?

Melting Point: >355 °C; Solubility: In water, 4.32X10+5 mg/l @ 25 °C; Density: 1.04 g/ml; Vapor Pressure: 0.0000001 [mmHg].

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.