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Nitrates and nitrites

Thallous nitrate

Also known as Thallium nitrate, Thallium(1+) nitrate, Thallium mononitrate

CAS 10102-45-1Formula NO3TlMolar mass 266.39 g/molEC 233-273-1
GHS signal word: Danger. Pictograms: Acute toxicity (severe), Serious health hazard, Hazardous to the environment 3 suppliers listed
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Thallous nitrate chemical structure, NO3Tl, CAS 10102-45-1
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
White crystals
Melting point
206 °C
Boiling point
450 °C
Density
5.556 @ 21 °C/4 °C
Solubility
Alpha isomer: 9.55 g Sol in 100 cc cold water at 20 °C, 4.13 g/100 cc hot water at 100 °…
HS code
283429
Category
Nitrates and nitrites
UN number
UN 2727
Illustrative photo, colourless crystals beside a jumbo bulk bag in a chemical plant
Typical packagingIllustrative packaging image, not the actual product

What is Thallous nitrate?

Plain description, key identifiers and synonyms

Thallium nitrate appears as a colorless crystalline solid melting at 206 °C. Toxic by ingestion and skin absorption. Used to make other chemicals.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
thallium(1+) nitrate
CAS number
10102-45-1 CAS number cross-checkedOther or deprecated CAS: 16901-76-1
EC number
233-273-1
Molecular formula
NO3Tl
UNII
LJQ38DSR12
MDL number
MFCD00011280
InChIKey
FYWSTUCDSVYLPV-UHFFFAOYSA-N
InChI
InChI=1S/NO3.Tl/c2-1(3)4;/q-1;+1
SMILES (canonical and isomeric)
[N+](=O)([O-])[O-].[Tl+]

Synonyms

  • Thallium nitrate
  • Thallium(1+) nitrate
  • Thallium mononitrate
  • Nitric acid, thallium(1+) salt
  • Thallium(I) nitrate (1:1)
  • Nitric acid, thallium(1+) salt (1:1)
  • Thallium nitrate (tl(no3))
  • Thallium(I) nitrate
  • Thallium (I) nitrate
  • thallium(1+), nitrate
  • Nitric acid, thallium salt
  • TlNO3
  • thallium(1+) salt nitric acid
  • Thallium nitrate (VAN)
  • RCRA waste number U217
  • RCRA waste no. U217
  • Thalliumi) nitrate
  • Thallium(1)nitrate
  • NO3Tl
  • Thallium nitrate (ous)

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
White crystalsexp.
Odour
Odorlessexp.
Melting point
206 °Cexp.
Boiling point
450 °Cexp.
Density
5.556 @ 21 °C/4 °Cexp.
Solubility
Alpha isomer: 9.55 g Sol in 100 cc cold water at 20 °C, 4.13 g/100 cc hot water at 100 °C, insol in alc, sol in acetone. Gamma isomer: 3.91 g Sol in 100 cc cold water at 0 °C, 414 g/100 cc hot water at 100 °C, insol in alc, sol in acetone.exp.

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
266.39 g/molcalc.
Exact mass
266.9622 Dacalc.
LogP (octanol/water)
-0.62calc.
Topological polar surface area
66.2 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
0calc.
Heavy atoms
5calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
2calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS08: Serious health hazard
Serious health hazard
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H300Fatal if swallowed.
  • H330Fatal if inhaled.
  • H373May cause damage to organs through prolonged or repeated exposure.
  • H411Toxic to aquatic life with long lasting effects.
Precautionary statements (17)
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P273Avoid release to the environment.
  • P284In case of inadequate ventilation wear respiratory protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P316Get emergency medical help immediately.
  • P319Get medical help if you feel unwell.
  • P320Specific treatment is urgent (see supplemental first aid instructions on the label).
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P391Collect spillage.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 2727
Transport hazard class
6.1
Packing group
II

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

Thallous nitrate suppliers

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All 3 suppliers

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Where suppliers are based

3 suppliers in 3 countries

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Thallous nitrate price

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Uses and applications

What the substance is used for, by industry and function

As reagent in analytical chemistry, esp for determination of iodine in presence of bromine & chlorine, with potassium chlorate, mercuric chloride, & resin for green fire for signalling at sea.

Used as an oxidizing agent in organic synthesis, as a convenient source of other thallium(i) derivatives, eg, halides.

In pyrotechnics.

How it is made

Prepared by the reaction of the pure metal with dilute nitric acid

Regulatory status

Inventories, regulations and trade controls that list this substance

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 Thallous nitrate 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 Thallous nitrate is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Thallous nitrate, based on the data on this page

What is Thallous nitrate?

Thallium nitrate appears as a colorless crystalline solid melting at 206 °C. Toxic by ingestion and skin absorption. Used to make other chemicals.

What is the CAS number of Thallous nitrate?

The CAS registry number of Thallous nitrate is 10102-45-1. Other or deprecated CAS numbers: 16901-76-1.

What is the molecular formula and weight of Thallous nitrate?

The molecular formula of Thallous nitrate is NO3Tl and its molar mass is 266.39 g/mol.

What is Thallous nitrate used for?

As reagent in analytical chemistry, esp for determination of iodine in presence of bromine & chlorine, with potassium chlorate, mercuric chloride, & resin for green fire for signalling at sea. Used as an oxidizing agent in organic synthesis, as a convenient source of other thallium(i) derivatives, eg, halides.

Is Thallous nitrate hazardous?

Thallous nitrate carries the GHS signal word "Danger". Main hazards: fatal if swallowed, fatal if inhaled, may cause damage to organs through prolonged or repeated exposure. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Thallous nitrate?

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

Where can I buy Thallous nitrate?

CompoundList lists 3 suppliers of Thallous nitrate in China, United Kingdom and Turkey. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Thallous nitrate?

Suppliers quote Thallous nitrate 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 Thallous nitrate

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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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