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氧化氘

CAS 7789-20-0H2OMW 20.028

氧化氘(CAS 7789-20-0):分子式 H2O、分子量 20.028;类别 无机化学品。

产品描述

氧化氘(CAS 7789-20-0)是一种无机化学品原料。其分子式 H2O 由 2 个氢、1 个氧 组成。 分子量约为 20.028。公开物性数据显示其熔点约 3.81 °C; triple point 3.82 °C、沸点约 101.42 °C、LogP 约 -0.5。作为化工品采购代理与分销渠道,我们可在国内及跨境渠道为氧化氘寻源比价,并安排小批量试样与批次采购;下单前提供完整 COA、质检报告与合规文件,验收以批次 COA 为准。

规格参数

CAS号7789-20-0
分子式H2O
分子量20.028
熔点3.81 °C; triple point 3.82 °C
沸点101.42 °C
LogP-0.5
应用领域Used to study mechanisms and rates of chemical or nuclear reactions、as well as biological processes. Deuterium oxide is present in nature. Water contains about 1 part per 6500、To study chemical reaction rates and mechanisms. The cross section of deuterium for the capture of thermal neutrons is very low which makes it useful、in the form of heavy water、as a neutron moderator in nuclear reactors. Produces a considerable decrease in neutron energy per collision、Intermediate
类别无机化学品

用途与场景

登记用途:Used to study mechanisms and rates of chemical or nuclear reactions、as well as biological processes. Deuterium oxide is present in nature. Water contains about 1 part per 6500、To study chemical reaction rates and mechanisms. The cross section of deuterium for the capture of thermal neutrons is very low which makes it useful、in the form of heavy water、as a neutron moderator in nuclear reactors. Produces a considerable decrease in neutron energy per collision、Intermediate。

采购档案

这个产品是什么

氧化氘 是一种无机化合物,登记 CAS 号为 7789-20-0,分子式 H2O(分子量 20.028),归属于无机化学品大类化工原料。

识别信息

登记 CAS 号:7789-20-0

其分子式 H2O 由 2 个氢、1 个氧 组成。

别名/同义词:氧化氘 · Deuterium oxide

所属分类:无机化学品

常见问题

氧化氘 的 CAS 号是多少?

氧化氘 的 CAS 登记号为 7789-20-0。

氧化氘 的分子式与分子量是多少?

分子式 H2O,分子量 20.028。

氧化氘 还有哪些别名?

别名/同义词:氧化氘、Deuterium oxide。

氧化氘 的登记用途是什么?

登记用途:Used to study mechanisms and rates of chemical or nuclear reactions、as well as biological processes. Deuterium oxide is present in nature. Water contains about 1 part per 6500、To study chemical reaction rates and mechanisms. The cross section of deuterium for the capture of thermal neutrons is very low which makes it useful、in the form of heavy water、as a neutron moderator in nuclear reactors. Produces a considerable decrease in neutron energy per collision、Intermediate。

氧化氘 属于哪个分类?

所属分类:无机化学品。

如何在 591daili.cn 采购 氧化氘?

请在联系页面提交产品名称、CAS 号与数量,我们作为采购代理在国内及跨境渠道为您寻源比价,安排试样与批次采购,下单前提供 COA 与合规文件。

包装与单证

包装按订单确认,从实验室小包装到吨袋大货,随订单安排而非在页面上写死。每批随货附 COA 分析证书,可另提供 MSDS;若终端用途带有法规限度(食品接触、药品或化妆品),请在询价时说明执行标准,等级按该标准确定。

PubChem 公开数据

氧化氘(CAS 7789-20-0)的公开数据库记录,列此仅供独立核对。

危险化学品分类与危害说明

GHS notification summary99.6% (226 / 227)

This chemical does not meet GHS hazard criteria for 99.6% (226 of 227) of all reports.

Reported as not meeting GHS hazard criteria by 226 of 227 companies (only 0.4% companies provided GHS information). For more detailed information, please visit ECHA C&L website.

法规与备案状态

GHS notification summary99.6% (226 / 227)

物理形态与操作说明

  • Liquid
  • Clear liquid; [Sax]
  • Colorless liquid
  • Odorless
  • 1.1044 at 25 °C. Temp of max density 11.23 °C; 1.1059 at 11.23 °C
  • Stable under recommended storage conditions.

公开数据库收录的理化数据

沸点101.42 °C
熔点3.81 °C; triple point 3.82 °C
蒸气压VP: 1.999 kPa at 20 °C
蒸气压20.6 mm Hg at 25 °C
黏度1.107 cP at 25 °C
Surface Tension71.93 dyn/cm at 25 °C

这个物质在各数据库里的编号

CAS Registry Number7789-20-0
PubChem CID24602
分子式H2O
IUPAC 名称deuterated water
UNII(FDA)J65BV539M3

数据库记载的用途

  • Used to study mechanisms and rates of chemical or nuclear reactions, as well as biological processes. [ChemIDplus] Deuterium oxide is present in nature. Water contains about 1 part per 6500. [Hawley]
  • To study chemical reaction rates and mechanisms. The cross section of deuterium for the capture of thermal neutrons is very low which makes it useful, in the form of heavy water, as a neutron moderator in nuclear reactors. Produces a considerable decrease in neutron energy per collision.
  • There are several methods of separating or concentrating DOD: (1) fractional distillation, (2) Girdler-Spevack process, (3) hydrogen-sulfide exchange process, (4) electrolysis, (5) cryogenic methane distillation.
  • Non-confidential 2012 Chemical Data Reporting (CDR) information on the production and use of chemicals manufactured or imported into the United States. Chemical: Water-D2. National Production Volume: 18,369 lb/yr.
  • The isotopes of hydrogen are probably the best known and most widely used nuclides, and have therefore been given individual names: (2)H is called deuterium and is abbreviated D; (3)H is called tritium and is abbreviated T.
  • Substances that inhibit or prevent the proliferation of NEOPLASMS.

它在各数据库里的别名

DEUTERIUM OXIDE; 7789-20-0; Heavy water; Deuterated water; Water-d2; Dideuterium oxide; Heavy water (D2O); Water-d sub(2); J65BV539M3; DTXSID4051243; CHEBI:41981; Oxide, Deuterium; RefChem:5735; DTXCID3029865; 232-148-9; Heavy water-d2

计算机算出的分子描述符

分子量20.028
XLogP3-0.5
氢键供体数1
氢键受体数1
可旋转键数0
精确质量20.023118175
单同位素质量20.023118175
拓扑极性表面积1
重原子数1
形式电荷0

数据库摘要

Deuterium oxide · CAS 7789-20-0 · H2O. UNII J65BV539M3. 沸点: 101.42 °C; 熔点: 3.81 °C; triple point 3.82 °C; 蒸气压: VP: 1.999 kPa at 20 °C.

数据来源:PubChem / Wikidata;与随货 COA 不一致时以 COA 为准。

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English page: Deuterium oxide

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