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Nitrates and nitrites

Bismuth subnitrate

Also known as Bismuth nitrate, basic, Basic bismuth nitrate, Novismuth

CAS 1304-85-4Formula H9Bi5N4O22Molar mass 1,461.98 g/molEC 215-136-8
GHS signal word: Danger. Pictograms: Oxidiser, Harmful or irritant, Serious health hazard 29 suppliers listed Drug substance
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Bismuth subnitrate chemical structure, H9Bi5N4O22, CAS 1304-85-4
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Heavy, microcrystalline powder
Melting point
260 °C
Boiling point
260 °C
Density
4.928
Solubility
PRACTICALLY INSOL IN WATER, ALC, SOL IN DILUTE HYDROCHLORIC ACID & NITRIC ACID
HS code
283429
Category
Nitrates and nitrites
Illustrative photo, closed white HDPE bottles and amber jars on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Bismuth subnitrate?

Plain description, key identifiers and synonyms

Bismuth subnitrate is a chemical substance with the molecular formula H9Bi5N4O22 and a molar mass of 1,461.98 g/mol. Its CAS registry number is 1304-85-4. The IUPAC name is pentabismuth, oxygen(2-), nonahydroxide, tetranitrate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
pentabismuth, oxygen(2-), nonahydroxide, tetranitrate
CAS number
1304-85-4 CAS number cross-checked
EC numbers
215-136-8, 611-133-4
Molecular formula
H9Bi5N4O22
UNII
H19J064BA5
INCI name
BISMUTH SUBNITRATE
InChIKey
QGWDKKHSDXWPET-UHFFFAOYSA-E
InChI
InChI=1S/5Bi.4NO3.9H2O.O/c;;;;;4*2-1(3)4;;;;;;;;;;/h;;;;;;;;;9*1H2;/q5*+3;4*-1;;;;;;;;;;-2/p-9
SMILES (canonical and isomeric)
[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[O-2].[Bi+3].[Bi+3].[Bi+3].[Bi+3].[Bi+3]

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
  • Snowcal 5SW
  • Snowcal 5 SW
  • Bismuthum subnitricum
  • Magistery of bismuth
  • Bismuth subnitrate, heavy
  • Bismuth hydroxide nitrate oxide (Bi5(OH)9(NO3)4O)
  • C.I. 77169
  • Bismuth hydroxide nitrate oxide (Bi5O(OH)9(NO3)4)
  • Bismuth oxide (Bi2O3), compd with nitrogen oxide (N2O5) (6:5), octahydrate
Show all 30 synonyms
  • Bismuth hydroxide nitrate oxide [Bi5O(OH)9(NO3)4]
  • Vikalin
  • Bismuthum subnitricum 6C
  • Bismuth hydroxide nitrate oxide
  • Mammol

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Appearance
Heavy, microcrystalline powderexp.
Odour
ODORLESSexp.
Taste
TASTELESSexp.
Melting point
260 °Cexp.
Boiling point
260 °Cexp.
Density
4.928exp.
Solubility
PRACTICALLY INSOL IN WATER, ALC, SOL IN DILUTE HYDROCHLORIC ACID & NITRIC ACIDexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
1,461.98 g/molcalc.
Exact mass
1,461.8728 Dacalc.
LogP (octanol/water)
-4.57calc.
Topological polar surface area
563.3 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
21calc.
Rotatable bonds
0calc.
Heavy atoms
31calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
19calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS03: Oxidiser
Oxidiser
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H272May intensify fire, oxidiser.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
  • H372Causes damage to organs through prolonged or repeated exposure.
Precautionary statements (21)
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P220Keep away from clothing and other combustible materials.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Bismuth subnitrate suppliers

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All 29 suppliers
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Where suppliers are based

29 suppliers in 9 countries

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Bismuth subnitrate price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

In prepn of milk of bismuth, as astringent, adsorbent, & protectant.

Coating agent in preparations for gastritis, in bleaching creams.

Industrial uses: Catalyst.

Use classes: Cosmetics.

Industries and functions

Cosmetic ingredient, INCI name BISMUTH SUBNITRATE(absorbent, opacifying)

Pharmacological actions

  • Antacids

Functional uses

  • Absorbent
  • Opacifer

Cosmetic functions

  • Absorbent
  • Opacifying

How it is made

Prepared by partial hydrolysis of bi(no3)3

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory
  • Active ingredient in FDA approved drug labels

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Bismuth subnitrate is traded under.

HS 2834.29Indicative HS code

Nitrates, other

World exports in 2024
$338M
−26.0% vs 2023, imports $353M
2019 to 2024
Top exporters
  1. China28.9%
  2. Malaysia9.2%
  3. Norway * partner reported7.5%
Top importers
  1. United States7.8%
  2. Germany6.2%
  3. Australia4.6%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Bismuth subnitrate is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Bismuth subnitrate, based on the data on this page

What is Bismuth subnitrate?

Bismuth subnitrate is a chemical substance with the molecular formula H9Bi5N4O22 and a molar mass of 1,461.98 g/mol. Its CAS registry number is 1304-85-4. The IUPAC name is pentabismuth, oxygen(2-), nonahydroxide, tetranitrate.

What is the CAS number of Bismuth subnitrate?

The CAS registry number of Bismuth subnitrate is 1304-85-4.

What is the molecular formula and weight of Bismuth subnitrate?

The molecular formula of Bismuth subnitrate is H9Bi5N4O22 and its molar mass is 1,461.98 g/mol.

What is Bismuth subnitrate used for?

In prepn of milk of bismuth, as astringent, adsorbent, & protectant. Coating agent in preparations for gastritis, in bleaching creams. Industrial uses: Catalyst. Use classes: Cosmetics.

Is Bismuth subnitrate hazardous?

Bismuth subnitrate carries the GHS signal word "Danger". Main hazards: may intensify fire, oxidiser, causes skin irritation, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Bismuth subnitrate?

Bismuth subnitrate is usually classified under HS code 283429 (Nitrates, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Bismuth subnitrate?

CompoundList lists 29 suppliers of Bismuth subnitrate in India, China, Germany, Mexico and 5 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Bismuth subnitrate in India?

10 suppliers in India list Bismuth subnitrate on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Bismuth subnitrate?

Suppliers quote Bismuth subnitrate on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Bismuth subnitrate

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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