S-1,2-双(乙氧基羰基)乙基O,O-二甲基硫代磷酸酯

Name: S-1,2-双(乙氧基羰基)乙基O,O-二甲基硫代磷酸酯
Brand: 济南圣和化工有限公司

CAS 1634-78-2C10H19O7PSMW 314.29

济南圣和化工有限公司现供应有机化学品——S-1,2-双(乙氧基羰基)乙基O,O-二甲基硫代磷酸酯（CAS 1634-78-2），分子式 C10H19O7PS，分子量 314.29。本页理化参数仅供参考，实际常规纯度按批次COA提供(不公开发布)，以批次 COA 及订单确认为准，支持批量采购与长期供货协议。

产品概览

CAS号	1634-78-2
分子式	C10H19O7PS
分子量	314.29
沸点	237 °F at 0.0975 mmHg (NTP, 1992)
LogP	0.6
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

S-1,2-双(乙氧基羰基)乙基O,O-二甲基硫代磷酸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

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

济南圣和化工有限公司位于山东济南，主营化工原料供应，精选产品 3,000+ 种，覆盖有机化学品、无机化学品、食品添加剂、医药中间体等 12 大分类。我们随货提供 COA 分析证书，一个工作日内回复报价，欢迎国内外采购方长期合作。

常见问题

S-1,2-双(乙氧基羰基)乙基O,O-二甲基硫代磷酸酯的 CAS 号是多少？

S-1,2-双(乙氧基羰基)乙基O,O-二甲基硫代磷酸酯的 CAS 号为 1634-78-2。

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。

S-1,2-双(乙氧基羰基)乙基O,O-二甲基硫代磷酸酯有什么用途？

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

S-1,2-bis(ethoxycarbonyl)ethyl O,O-dimethyl phosphorothioate · CAS 1634-78-2 · C10H19O7PS. UNII 2439JYF84Q. Boiling Point: 237 °F at 0.0975 mmHg (NTP, 1992); Solubility: 5 to 10 mg/mL at 72 °F (NTP, 1992); Vapor Pressure: 0.0000098 [mmHg].

Identification

CAS Registry Number	1634-78-2
PubChem CID	15415
Molecular formula	C10H19O7PS
IUPAC name	diethyl 2-dimethoxyphosphorylsulfanylbutanedioate
UNII (FDA)	2439JYF84Q

Computed Descriptors

Molecular Weight	314.29
XLogP3	0.6
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	8
Rotatable Bond Count	11
Exact Mass	314.05891111
Monoisotopic Mass	314.05891111
Topological Polar Surface Area	113
Heavy Atom Count	19
Formal Charge	0

Physical & Chemical Properties

Boiling Point	237 °F at 0.0975 mmHg (NTP, 1992)
Solubility	5 to 10 mg/mL at 72 °F (NTP, 1992)
Vapor Pressure	0.0000098 [mmHg]
Collision Cross Section	161.98 Å² [M+H]+
Collision Cross Section	164.4 Å² [M+Na]+

Physical description & handling notes

Malaoxon is a colorless viscous oily liquid with a weak unpleasant odor. (NTP, 1992)
Colorless viscous liquid with a mild unpleasant odor; mp < 20 deg C; [CAMEO] Slightly yellow liquid; [MSDSonline]
less than 68 °F (NTP, 1992)
greater than 212 °F (NTP, 1992)
1.235 at 70 °F (NTP, 1992) - Denser than water; will sink
9.8e-06 mmHg at 68 °F ; 0.00032 mmHg at 122 °F (NTP, 1992)

GHS Hazard Classification

Reported hazard statements	H301 (100%), H310 (92.9%)

H301 (100%): Toxic if swallowed [Danger Acute toxicity, oral]

H310 (92.9%): Fatal in contact with skin [Danger Acute toxicity, dermal]

Documented Uses

A biological, chemical, or photolytic modification of Malathion (insecticide); An impurity and main oxidation product of Malathion; Not commercially produced in the US; [HSDB]
/SRP/: Malaoxon is a biochemical or photolytic product of malathion.
Two organophosphorus impurities of technical malathion (insecticide), isomalathion and O,S,S,-trimethyl phosphorodithioate.
AS SUBSTRATE IN DECARBOXYLATION REACTION FOR CONVENIENT IN VITRO TESTS FOR ACTIVITY OF CERTAIN MICROSOMAL ENZYMES. /FROM TABLE/
NOT PRODUCED COMMERCIALLY IN USA
Malaoxon is ... results from the chemical modification of malathion, an insecticide.

Synonyms

MALAOXON; 1634-78-2; Liromat; Oxycarbophos; Malaoxone; Maloxon; Carbethoxy malaoxon; diethyl 2-dimethoxyphosphorylsulfanylbutanedioate; Malathion oxon; NCI-C08628; DTXSID9020790; O,O-Dimethyl S-1,2-bis(ethoxycarbonyl)ethyl phosphorothioate; DL-MALAOXON; Diethyl mercaptosuccinate S-ester with O,O-dimethyl phosphorothioate; 2439JYF84Q; O,O-Dimethyl-S-(1,2-dicarbethoxy)ethyl phosphorothioate

Frequently Asked Questions

What are the CAS number and molecular formula of S-1,2-bis(ethoxycarbonyl)ethyl O,O-dimethyl phosphorothioate?

CAS 1634-78-2; molecular formula C10H19O7PS; molecular weight — g/mol.

What other names is S-1,2-bis(ethoxycarbonyl)ethyl O,O-dimethyl phosphorothioate known by?

MALAOXON, 1634-78-2, Liromat, Oxycarbophos, Malaoxone, Maloxon.

Is S-1,2-bis(ethoxycarbonyl)ethyl O,O-dimethyl phosphorothioate classified as hazardous?

Hazard statements reported: H301, H310.

What are the key physical properties of S-1,2-bis(ethoxycarbonyl)ethyl O,O-dimethyl phosphorothioate?

Boiling Point: 237 °F at 0.0975 mmHg (NTP, 1992); Solubility: 5 to 10 mg/mL at 72 °F (NTP, 1992); Vapor Pressure: 0.0000098 [mmHg]; Collision Cross Section: 161.98 Å² [M+H]+.

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.