亚磷酸氢二甲酯

Name: 亚磷酸氢二甲酯
Brand: 济南圣和化工有限公司

CAS 868-85-9C2H7O3PMW 110.05

亚磷酸氢二甲酯，CAS 登记号 868-85-9，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868-85-9

分子式C2H7O3P

分子量110.05

熔点29 °C

沸点338 to 340 °F at 760 mmHg (NTP, 1992)

LogP-0.5

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

每批随货提供 COA；可按需提供 MSDS 及技术文件。邮件注明产品名称与 CAS 号，一个工作日内回复报价。

常见问题

在哪里能查到亚磷酸氢二甲酯的 CAS 号？

本页已列出亚磷酸氢二甲酯的 CAS 号：868-85-9，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。

亚磷酸氢二甲酯一般用在什么产品里？

主要涉及有机化学品。

下单流程是怎样的？

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PubChem 公开数据

Description

Dimethyl hydrogen phosphite · CAS 868-85-9 · C2H7O3P. UNII ST4TBO000H. Boiling Point: 338 to 340 °F at 760 mmHg (NTP, 1992); Boiling Point: 170.5; Boiling Point: 171 °C.

Identification

CAS Registry Number	868-85-9
PubChem CID	13361
Molecular formula	C2H7O3P
IUPAC name	methoxyphosphonoyloxymethane
UNII (FDA)	ST4TBO000H

Computed Descriptors

Molecular Weight	110.05
XLogP3	-0.5
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	2
Exact Mass	110.01328108
Monoisotopic Mass	110.01328108
Topological Polar Surface Area	35.5
Heavy Atom Count	6
Formal Charge	0

Physical & Chemical Properties

Boiling Point	338 to 340 °F at 760 mmHg (NTP, 1992)
Boiling Point	170.5
Boiling Point	171 °C
Melting Point	29 °C
Flash Point	85 °F (NTP, 1992)
Flash Point	70 °C
Flash Point	70 °C (Closed cup)
Flash Point	70 °C c.c.
Solubility	In water, >10 g/100 mL at 20 °C
Density	1.2002 g/cu cm at 20 °C

Physical description & handling notes

Dimethyl hydrogen phosphite is a colorless liquid. (USCG, 1999)
Liquid
Colorless liquid; [HSDB]
COLOURLESS LIQUID.
Mobile, colorless liquid
Mild odor

GHS Hazard Classification

Reported hazard statements	H226 (71.8%), H311 (19.9%), H315 (73.5%), H317 (23.9%), H319 (76.1%), H341 (23.9%), H351 (26.2%), H412 (23.9%)

H226 (71.8%): Flammable liquid and vapor [Warning Flammable liquids]

H311 (19.9%): Toxic in contact with skin [Danger Acute toxicity, dermal]

Documented Uses

Used to make insecticides and herbicides; [ChemIDplus] Used as a lubricant additive, an adhesive, a flame retardant for fabrics, a stabilizer in oil and plaster, and as a steel corrosion inhibitor in combination with pyrocatechol; [HSDB] Used to make water treatment chemicals, flame retardants, and pharmaceuticals; [eChemPortal: SIDSUNEP]
Steel Producing [Category: Industry]
Working with Glues and Adhesives [Category: Other]
Lubricant additives; intermediate; adhesive
Feedstock for chemical synthesis.
Scheduled 3B precursor to DMMP.

Synonyms

RefChem:929181; DTXCID20164557; 212-783-8; 868-85-9; Bis(hydroxymethyl)phosphine oxide; Dimethoxyphosphine oxide; Dimethyl acid phosphite; Dimethyl hydrogen phosphite; Dimethyl hydrogen phosphonate; Dimethyl phosphite; Dimethyl phosphonate; Dimethylester kyselini fosforite; Dimethylester kyseliny fosforite; Dimethylfosfit; Dimethylfosfonat; Dimethylhydrogenphosphite

Frequently Asked Questions

What are the CAS number and molecular formula of Dimethyl hydrogen phosphite?

CAS 868-85-9; molecular formula C2H7O3P; molecular weight — g/mol.

What other names is Dimethyl hydrogen phosphite known by?

RefChem:929181, DTXCID20164557, 212-783-8, 868-85-9, Bis(hydroxymethyl)phosphine oxide, Dimethoxyphosphine oxide.

Is Dimethyl hydrogen phosphite classified as hazardous?

Hazard statements reported: H226, H311, H315, H317, H319.

What are the key physical properties of Dimethyl hydrogen phosphite?

Boiling Point: 338 to 340 °F at 760 mmHg (NTP, 1992); Boiling Point: 170.5; Boiling Point: 171 °C; Melting Point: 29 °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.

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