铌粉

Name: 铌粉
Brand: 济南圣和化工有限公司

CAS 7440-03-1NbMW 92.90637主营产品

铌粉（CAS 7440-03-1）属主营产品类产品，分子式 Nb，分子量 92.90637。济南圣和化工有限公司常年现货供应该产品，常规纯度按批次COA提供(不公开发布)，可按客户需求安排分装包装，欢迎邮件或来电询价。

产品概览

CAS号	7440-03-1
分子式	Nb
分子量	92.90637
熔点	2468 °C
沸点	4742 °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	其他食品添加剂
类别	主营产品\|其他食品添加剂

应用领域

其他食品添加剂

该产品的下游应用集中在其他食品添加剂。不同客户工艺差异较大，我们支持按需提供样品与小批量试用。

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

供货能力：铌粉备有现货，包装形式为按订单/批次确认(不公开发布)。我们支持对公转账并开具增值税发票，山东省内可安排快速配送，省外按物流时效发货，具体请联系 info@591daili.com。

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

作为化工原料供应服务商，济南圣和化工有限公司长期服务于化工贸易、食品添加、医药中间体、日化原料等行业的采购需求。除铌粉外，您还可以在站内按 CAS 号或产品分类检索更多品类，获取规格与报价。

常见问题

铌粉的 CAS 号是多少？

铌粉的 CAS 号为 7440-03-1。

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。

铌粉有什么用途？

主要应用于其他食品添加剂。

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

Niobium powder is identified by CAS 7440-03-1, molecular formula Nb and molecular weight 92.91 g/mol. UNII 05175J654G; ChEBI 33344; InChIKey GUCVJGMIXFAOAE-UHFFFAOYSA-N. Boiling Point: 4742 °C @760 [mm Hg]; Melting Point: 2468 °C; Density: 8.57 @25 °C.

Identification

CAS Registry Number	7440-03-1
PubChem CID	23936
Molecular formula	Nb
Molecular weight	92.91 g/mol
IUPAC name	niobium
InChIKey	GUCVJGMIXFAOAE-UHFFFAOYSA-N
UNII (FDA)	05175J654G
ChEBI ID	CHEBI:33344

Computed Descriptors

Molecular Weight	92.90637
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	0
Rotatable Bond Count	0
Exact Mass	92.90637
Monoisotopic Mass	92.90637
Topological Polar Surface Area	0
Heavy Atom Count	1
Formal Charge	0
Complexity	0

Physical & Chemical Properties

Boiling Point	4742 °C @760 [mm Hg]
Melting Point	2468 °C
Density	8.57 @25 °C

Physical description & handling notes

Shiny, soft, ductile metal that develops a bluish cast after oxidizing in air at room temperature over a long time or after heating to 200 deg C; [

Regulatory Status

GHS notification summary	58% (307 / 529)

GHS Hazard Classification

GHS notification summary	58% (307 / 529)
Reported hazard statements	H228 (34%)

This chemical does not meet GHS hazard criteria for 58% (307 of 529) of all reports.

H228 (34%): Flammable solid [Danger Flammable solids]

Documented Uses

There are 18 known isotopes. Ores (niobite or columbite, niobite-tantalite, parochlore, and euxenite) are known in Canada, Brazil, Nigeria, Zaire, and Russia. Used in welding rods, jewelry, and superconductive magnets; Was used in the space program for advanced air frame systems; [ Used in superalloys containing up to 5% niobium to make gas turbine components; [Ullmann]
Jewelry making [Category: Hobbies]

Synonyms

NIOBIUM; Columbium; 7440-03-1; Niobium element; Niobium-93; 05175J654G; DTXSID4052479; Niobium Metallicum; Niobium 93; RefChem:55714; DTXCID5031052; 231-113-5; niobium atom; Niobium powder; Niobium rod; Niobium turnings

Frequently Asked Questions

What are the CAS number and molecular formula of Niobium powder?

CAS 7440-03-1; molecular formula Nb; molecular weight 92.91 g/mol.

What other names is Niobium powder known by?

NIOBIUM, Columbium, 7440-03-1, Niobium element, Niobium-93, 05175J654G.

Is Niobium powder classified as hazardous?

58% of GHS notifications report no hazard classification (307 of 529).

What are the key physical properties of Niobium powder?

Boiling Point: 4742 °C @760 [mm Hg]; Melting Point: 2468 °C; Density: 8.57 @25 °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.

铌粉