白湖

Description

Lake White · CAS 1304-85-4 · Bi5H9N4O22. UNII H19J064BA5. Melting Point: 260 °C DECOMP; Density: 4.928.

Identification

CAS Registry Number	1304-85-4
PubChem CID	73415757
Molecular formula	Bi5H9N4O22
IUPAC name	pentabismuth;oxygen(2-);nonahydroxide;tetranitrate
UNII (FDA)	H19J064BA5

Computed Descriptors

Molecular Weight	1461.99
Hydrogen Bond Donor Count	9
Hydrogen Bond Acceptor Count	22
Rotatable Bond Count	0
Exact Mass	1461.87284
Monoisotopic Mass	1461.87284
Topological Polar Surface Area	262
Heavy Atom Count	31
Formal Charge	0
Complexity	18.8

Physical & Chemical Properties

Melting Point	260 °C DECOMP
Density	4.928

Physical description & handling notes

• Liquid; Dry Powder
• Odorless, slightly hygroscopic solid; [Merck Index] White powder, insoluble; [MSDSonline]
• HEAVY, MICROCRYSTALLINE POWDER
• WHITE POWDER
• ODORLESS
• TASTELESS

Regulatory Status

Regulatory & Food Contact	CIR / INCI: Opacifying; Absorbent
GHS notification summary	58.1% (115 / 198)

GHS Hazard Classification

GHS notification summary	58.1% (115 / 198)
Reported hazard statements	H272 (24.2%), H315 (23.2%), H319 (23.2%), H335 (23.2%), H372 (17.7%), H371

Documented Uses

• Used to make enamel fluxes, cosmetics, antacids, and antiulceratives; [Merck Index] Used as an astringent, adsorbent, and protective; in topical lotions and ointments; [HSDB]
• IN PREPN OF MILK OF BISMUTH, AS ASTRINGENT, ADSORBENT, & PROTECTANT
• COATING AGENT IN PREPARATIONS FOR GASTRITIS; IN BLEACHING CREAMS
• Cosmetics -> Opacifying; Absorbent
• PREPARED BY PARTIAL HYDROLYSIS OF BI(NO3)3
• 2023: 1,000,000 - <8,500,000 lb

Synonyms

Bismuth nitrate, basic; Basic bismuth nitrate; Novismuth; Vicalin; Vikaline; Bismuth paint; Bismuth Synlab; Cosmetic White; Bismuth White; Spanish White; Flake White; Paint White; Blanc de fard; Bismuth magistery; Bismuthyl nitrate; Bismuth subnitricum

Frequently Asked Questions

What are the CAS number and molecular formula of Lake White?

CAS 1304-85-4; molecular formula Bi5H9N4O22; molecular weight — g/mol.

What other names is Lake White known by?

Bismuth nitrate, basic, Basic bismuth nitrate, Novismuth, Vicalin, Vikaline, Bismuth paint.

What is the regulatory status of Lake White?

Documented regulatory listings: CIR / INCI: Opacifying; Absorbent.

Is Lake White classified as hazardous?

58.1% of GHS notifications report no hazard classification (115 of 198).

What are the key physical properties of Lake White?

Melting Point: 260 °C DECOMP; Density: 4.928.

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.