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

S-1,2-双(乙氧基羰基)乙基O,O-二甲基硫代磷酸酯，CAS 登记号 1634-78-2，由济南圣和化工有限公司现货供应，可提供纯度按批次COA提供(不公开发布) 的规格，下游主要用于有机化学品。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。

规格参数

CAS号1634-78-2

分子式C10H19O7PS

分子量314.29

沸点237 °F at 0.0975 mmHg (NTP, 1992)

LogP0.6

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

用途与场景

有机化学品

包装与供货

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

供货周期现货/按订单安排

文件与支持

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常见问题

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本页已列出 S-1,2-双(乙氧基羰基)乙基O,O-二甲基硫代磷酸酯的 CAS 号：1634-78-2，可与随货 COA 核对。

可以提供哪些规格和包装？

常见纯度为按批次COA提供(不公开发布)，包装形式为按订单/批次确认(不公开发布)，特殊规格可在询价时说明。

S-1,2-双(乙氧基羰基)乙基O,O-二甲基硫代磷酸酯一般用在什么产品里？

主要涉及有机化学品。

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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.

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