甲磺酸甲酯

Name: 甲磺酸甲酯
Brand: 济南圣和化工有限公司

CAS 66-27-3C2H6O3SMW 110.13

济南圣和化工主营供应甲磺酸甲酯（CAS 66-27-3），归类于有机化学品，分子式 C2H6O3S，分子量 110.13。我们面向国内化工贸易与生产企业提供稳定的现货供应，报价响应快，支持对公转账并可开具增值税发票。

产品概览

CAS号	66-27-3
分子式	C2H6O3S
分子量	110.13
熔点	68 °F (NTP, 1992)
沸点	396 to 397 °F at 760 mmHg (NTP, 1992)
LogP	-0.4
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	有机化学品
类别	有机化学品

应用领域

有机化学品

甲磺酸甲酯在有机化学品领域使用广泛。采购前请确认纯度等级与包装形式，以批次 COA 为验收依据。

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

供货能力：甲磺酸甲酯备有现货，包装形式为按订单/批次确认(不公开发布)。我们支持对公转账并开具增值税发票，山东省内可安排快速配送，省外按物流时效发货，具体请联系 info@591daili.com。

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。如需甲磺酸甲酯以外的配套原料，也欢迎一并列出需求清单。

常见问题

甲磺酸甲酯的 CAS 号是多少？

甲磺酸甲酯的 CAS 号为 66-27-3。

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。

甲磺酸甲酯有什么用途？

主要应用于有机化学品。

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

Methyl methanesulfonate · CAS 66-27-3 · C2H6O3S. UNII AT5C31J09G. Boiling Point: 396 to 397 °F at 760 mmHg (NTP, 1992); Boiling Point: 203 °C at 753 mm Hg; Melting Point: 68 °F (NTP, 1992).

Identification

CAS Registry Number	66-27-3
PubChem CID	4156
Molecular formula	C2H6O3S
IUPAC name	methyl methanesulfonate
UNII (FDA)	AT5C31J09G

Computed Descriptors

Molecular Weight	110.13
XLogP3	-0.4
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	1
Exact Mass	110.00376522
Monoisotopic Mass	110.00376522
Topological Polar Surface Area	51.8
Heavy Atom Count	6
Formal Charge	0

Physical & Chemical Properties

Boiling Point	396 to 397 °F at 760 mmHg (NTP, 1992)
Boiling Point	203 °C at 753 mm Hg
Melting Point	68 °F (NTP, 1992)
Melting Point	20 °C
Flash Point	220 °F (NTP, 1992)
Density	1.2943 at 20 °C/4 °C
Vapor Pressure	0.31 [mmHg]

Physical description & handling notes

Methyl methanesulfonate is a colorless to amber liquid. (NTP, 1992)
Colorless liquid; mp = 20 deg C; [HSDB] Colorless to amber liquid; [CAMEO] Clear faintly yellow liquid; [MSDSonline]
Colorless liquid
greater than or equal to 100 mg/mL at 73 °F (NTP, 1992)
Solubility in water about 1:5; slightly sol in nonpolar solvents
Sol in dimethyl formamide and in propylene glycol (1 in 1)

GHS Hazard Classification

Reported hazard statements	H301 (99.5%), H315 (98.2%), H317 (78.7%), H319 (98.2%), H335 (19%), H340 (79.6%), H350 (19.9%), H351 (78.7%)

H301 (99.5%): Toxic if swallowed [Danger Acute toxicity, oral]

H315 (98.2%): Causes skin irritation [Warning Skin corrosion/irritation]

Documented Uses

Used as experimental mutagen, teratogen, and brain carcinogen; [HSDB]
Tested clinically as cancer chemotherapeutic agent
Experimentally as mutagen, teratogen and brain carcinogen.
... As catalysts for esterification, polymerizarion, and alkylation, and for the production of peroxycarboxylic acids from hydrogen peroxide and carboxylic acids. /Lower molecular mass alkanesulfonic acids/
Reaction of mesyl chloride with methanol in anhydrous pyridine.
... Prepared from action of methyl iodide upon methyl sulfite. No indications ... That methyl methanesulfonate is produced commercially ... .

Synonyms

METHYL METHANESULFONATE; 66-27-3; Methyl mesylate; Methanesulfonic acid methyl ester; Methanesulfonic acid, methyl ester; Methylmethanesulfonate; methylmethane sulfonate; as-Dimethyl sulfite; Methyl methanesulphonate; Methylmethansulfonat; as-Dimethyl sulphite; Methyl methansulfonate; Methyl methansulphonate; NSC-50256; Methyl ester of methanesulfonic acid; DTXSID7020845

Frequently Asked Questions

What are the CAS number and molecular formula of Methyl methanesulfonate?

CAS 66-27-3; molecular formula C2H6O3S; molecular weight — g/mol.

What other names is Methyl methanesulfonate known by?

METHYL METHANESULFONATE, 66-27-3, Methyl mesylate, Methanesulfonic acid methyl ester, Methanesulfonic acid, methyl ester, Methylmethanesulfonate.

Is Methyl methanesulfonate classified as hazardous?

Hazard statements reported: H301, H315, H317, H319, H335.

What are the key physical properties of Methyl methanesulfonate?

Boiling Point: 396 to 397 °F at 760 mmHg (NTP, 1992); Boiling Point: 203 °C at 753 mm Hg; Melting Point: 68 °F (NTP, 1992); Melting Point: 20 °C.

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.