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钬

CAS 7440-60-0HoMW 164.93033

钬,CAS 登记号 7440-60-0,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,下游主要用于无机化学品。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7440-60-0
分子式Ho
分子量164.93033
沸点2720 °C @760 [mm Hg]
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)
应用领域无机化学品
类别无机化学品

用途与场景

无机化学品

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 钬 的 CAS 号?

本页已列出 钬 的 CAS 号:7440-60-0,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。

钬 一般用在什么产品里?

主要涉及无机化学品。

下单流程是怎样的?

来信 info@591daili.com 或 WhatsApp 联系,提供产品名称、CAS 号与数量,确认价格与交期后即可安排发货,验收以批次 COA 为准。

PubChem 公开数据

Description

Holmium · CAS 7440-60-0 · Ho. UNII W1XX32SQN1. Boiling Point: 2720 °C @760 [mm Hg]; Density: 8.78 @25 °C; Vapor Pressure: 2 [mm Hg] @1630 °C.

Identification

CAS Registry Number7440-60-0
PubChem CID23988
Molecular formulaHo
IUPAC nameholmium
UNII (FDA)W1XX32SQN1

Computed Descriptors

Molecular Weight164.93033
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count0
Rotatable Bond Count0
Exact Mass164.930329
Monoisotopic Mass164.930329
Topological Polar Surface Area0
Heavy Atom Count1
Formal Charge0
Complexity0

Physical & Chemical Properties

Boiling Point2720 °C @760 [mm Hg]
Density8.78 @25 °C
Vapor Pressure2 [mm Hg] @1630 °C

Physical description & handling notes

  • Metal; Crystals; Yellow-green salts; [Merck Index] Soft and malleable, bright-silver metal; oxidizes in moist air and elevated temperature; [Reference #1]

Regulatory Status

GHS notification summary8% (4 / 50)

GHS Hazard Classification

GHS notification summary8% (4 / 50)
Reported hazard statementsH228 (84%)

This chemical does not meet GHS hazard criteria for 8% (4 of 50) of reports.

H228 (84%): Flammable solid [Danger Flammable solids]

Documented Uses

  • Source: Rare earth minerals; Comprises about 0.05% of monazite; [Reference #1] Uses: Getter in vacuum tubes, research, spectroscopy; [Hawley]

Synonyms

HOLMIUM; 7440-60-0; W1XX32SQN1; DTXSID3064699; Holmium Metallicum; RefChem:58721; DTXCID0047664; 231-169-0; HOLMIUM ATOM; MFCD00011049; Holmium foil; Holmium-165; Holmium Standard: Ho @ 1000 microg/mL in 5% HNO3; Holmium Standard: Ho @ 10000 microg/mL in 5% HNO3; holmio; Holmium element

Frequently Asked Questions

What are the CAS number and molecular formula of Holmium?

CAS 7440-60-0; molecular formula Ho; molecular weight — g/mol.

What other names is Holmium known by?

HOLMIUM, 7440-60-0, W1XX32SQN1, DTXSID3064699, Holmium Metallicum, RefChem:58721.

Is Holmium classified as hazardous?

8% of GHS notifications report no hazard classification (4 of 50).

What are the key physical properties of Holmium?

Boiling Point: 2720 °C @760 [mm Hg]; Density: 8.78 @25 °C; Vapor Pressure: 2 [mm Hg] @1630 °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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