An official website of the United States government

Thorium iodide

PubChem CID
82256
Structure
Thorium iodide_small.png
Molecular Formula
Synonyms
  • Thorium iodide
  • Thorium tetraiodide
  • 7790-49-0
  • Thorium iodide (ThI4)
  • thorium(4+);tetraiodide
Molecular Weight
739.656 g/mol
Computed by PubChem 2.2 (PubChem release 2021.10.14)
Dates
  • Create:
    2005-08-08
  • Modify:
    2025-01-18

1 Structures

1.1 2D Structure

Chemical Structure Depiction
Thorium iodide.png

1.2 3D Status

Conformer generation is disallowed since MMFF94s unsupported element, MMFF94s unsupported atom valence, mixture or salt

2 Names and Identifiers

2.1 Computed Descriptors

2.1.1 IUPAC Name

thorium(4+);tetraiodide
Computed by Lexichem TK 2.7.0 (PubChem release 2021.10.14)

2.1.2 InChI

InChI=1S/4HI.Th/h4*1H;/q;;;;+4/p-4
Computed by InChI 1.0.6 (PubChem release 2021.10.14)

2.1.3 InChIKey

MDMUQRJQFHEVFG-UHFFFAOYSA-J
Computed by InChI 1.0.6 (PubChem release 2021.10.14)

2.1.4 SMILES

[I-].[I-].[I-].[I-].[Th+4]
Computed by OEChem 2.3.0 (PubChem release 2024.12.12)

2.2 Molecular Formula

I4Th
Computed by PubChem 2.2 (PubChem release 2021.10.14)

2.3 Other Identifiers

2.3.1 CAS

2.3.2 European Community (EC) Number

2.3.3 UNII

2.3.4 DSSTox Substance ID

2.3.5 Nikkaji Number

2.3.6 Wikidata

2.4 Synonyms

2.4.1 Depositor-Supplied Synonyms

3 Chemical and Physical Properties

3.1 Computed Properties

Property Name
Molecular Weight
Property Value
739.656 g/mol
Reference
Computed by PubChem 2.2 (PubChem release 2021.10.14)
Property Name
Hydrogen Bond Donor Count
Property Value
0
Reference
Computed by Cactvs 3.4.8.18 (PubChem release 2021.10.14)
Property Name
Hydrogen Bond Acceptor Count
Property Value
4
Reference
Computed by Cactvs 3.4.8.18 (PubChem release 2021.10.14)
Property Name
Rotatable Bond Count
Property Value
0
Reference
Computed by Cactvs 3.4.8.18 (PubChem release 2021.10.14)
Property Name
Exact Mass
Property Value
739.6559 Da
Reference
Computed by PubChem 2.2 (PubChem release 2021.10.14)
Property Name
Monoisotopic Mass
Property Value
739.6559 Da
Reference
Computed by PubChem 2.2 (PubChem release 2021.10.14)
Property Name
Topological Polar Surface Area
Property Value
0 Ų
Reference
Computed by Cactvs 3.4.8.18 (PubChem release 2021.10.14)
Property Name
Heavy Atom Count
Property Value
5
Reference
Computed by PubChem
Property Name
Formal Charge
Property Value
0
Reference
Computed by PubChem
Property Name
Complexity
Property Value
0
Reference
Computed by Cactvs 3.4.8.18 (PubChem release 2021.10.14)
Property Name
Isotope Atom Count
Property Value
0
Reference
Computed by PubChem
Property Name
Defined Atom Stereocenter Count
Property Value
0
Reference
Computed by PubChem
Property Name
Undefined Atom Stereocenter Count
Property Value
0
Reference
Computed by PubChem
Property Name
Defined Bond Stereocenter Count
Property Value
0
Reference
Computed by PubChem
Property Name
Undefined Bond Stereocenter Count
Property Value
0
Reference
Computed by PubChem
Property Name
Covalently-Bonded Unit Count
Property Value
5
Reference
Computed by PubChem
Property Name
Compound Is Canonicalized
Property Value
Yes
Reference
Computed by PubChem (release 2021.10.14)

3.2 Experimental Properties

3.2.1 Physical Description

Pale yellow solid; Soluble in water; [APL Engineered Materials MSDS]

3.3 Chemical Classes

Physical/Radiation -> Radioactive Compounds

5 Chemical Vendors

6 Use and Manufacturing

6.1 General Manufacturing Information

EPA TSCA Commercial Activity Status
Thorium iodide (ThI4): ACTIVE

7 Safety and Hazards

7.1 Hazards Identification

7.1.1 GHS Classification

Note
This chemical does not meet GHS hazard criteria for 100% (2 of 2) of all reports. Pictograms displayed are for < 0.1% (0 of 2) of reports that indicate hazard statements.
GHS Hazard Statements

Not Classified

Reported as not meeting GHS hazard criteria by 2 of 2 companies. For more detailed information, please visit ECHA C&L website.

ECHA C&L Notifications Summary

Aggregated GHS information provided per 2 reports by companies from 1 notifications to the ECHA C&L Inventory.

Reported as not meeting GHS hazard criteria per 2 of 2 reports by companies. For more detailed information, please visit ECHA C&L website.

There are 0 notifications provided by 0 of 2 reports by companies with hazard statement code(s).

Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown.

7.1.2 Hazard Classes and Categories

Not Classified

7.1.3 Hazards Summary

Thorium is radioactive; Targets lungs, skeletal structures, lymphatic glands, and other tissues; [APL Engineered Materials MSDS] See Thorium. See Iodine for the TLV of Iodides.

7.2 Exposure Control and Personal Protection

7.2.1 Threshold Limit Values (TLV)

0.01 [ppm], inhalable fraction and vapor (iodides)

8 Literature

8.1 Chemical Co-Occurrences in Literature

8.2 Chemical-Gene Co-Occurrences in Literature

9 Patents

9.1 Depositor-Supplied Patent Identifiers

9.2 Chemical Co-Occurrences in Patents

9.3 Chemical-Disease Co-Occurrences in Patents

9.4 Chemical-Gene Co-Occurrences in Patents

10 Classification

10.1 ChemIDplus

10.2 UN GHS Classification

10.3 EPA DSSTox Classification

10.4 EPA TSCA and CDR Classification

10.5 MolGenie Organic Chemistry Ontology

11 Information Sources

  1. CAS Common Chemistry
    LICENSE
    The data from CAS Common Chemistry is provided under a CC-BY-NC 4.0 license, unless otherwise stated.
    https://creativecommons.org/licenses/by-nc/4.0/
  2. ChemIDplus
    ChemIDplus Chemical Information Classification
    https://pubchem.ncbi.nlm.nih.gov/source/ChemIDplus
  3. EPA Chemicals under the TSCA
    EPA TSCA Classification
    https://www.epa.gov/tsca-inventory
  4. EPA DSSTox
    CompTox Chemicals Dashboard Chemical Lists
    https://comptox.epa.gov/dashboard/chemical-lists/
  5. European Chemicals Agency (ECHA)
    LICENSE
    Use of the information, documents and data from the ECHA website is subject to the terms and conditions of this Legal Notice, and subject to other binding limitations provided for under applicable law, the information, documents and data made available on the ECHA website may be reproduced, distributed and/or used, totally or in part, for non-commercial purposes provided that ECHA is acknowledged as the source: "Source: European Chemicals Agency, http://echa.europa.eu/". Such acknowledgement must be included in each copy of the material. ECHA permits and encourages organisations and individuals to create links to the ECHA website under the following cumulative conditions: Links can only be made to webpages that provide a link to the Legal Notice page.
    https://echa.europa.eu/web/guest/legal-notice
  6. FDA Global Substance Registration System (GSRS)
    LICENSE
    Unless otherwise noted, the contents of the FDA website (www.fda.gov), both text and graphics, are not copyrighted. They are in the public domain and may be republished, reprinted and otherwise used freely by anyone without the need to obtain permission from FDA. Credit to the U.S. Food and Drug Administration as the source is appreciated but not required.
    https://www.fda.gov/about-fda/about-website/website-policies#linking
  7. Haz-Map, Information on Hazardous Chemicals and Occupational Diseases
    LICENSE
    Copyright (c) 2022 Haz-Map(R). All rights reserved. Unless otherwise indicated, all materials from Haz-Map are copyrighted by Haz-Map(R). No part of these materials, either text or image may be used for any purpose other than for personal use. Therefore, reproduction, modification, storage in a retrieval system or retransmission, in any form or by any means, electronic, mechanical or otherwise, for reasons other than personal use, is strictly prohibited without prior written permission.
    https://haz-map.com/About
  8. Japan Chemical Substance Dictionary (Nikkaji)
  9. Wikidata
  10. PubChem
  11. GHS Classification (UNECE)
  12. MolGenie
    MolGenie Organic Chemistry Ontology
    https://github.com/MolGenie/ontology/
CONTENTS