English Safety Data Sheet Database 中文版 MSDS

Thallium iodide (TlI)

CAS No. 7790-30-9 | PubChem CID 62679
Section 1. Identification
Chemical NameThallium iodide (TlI) CAS No.7790-30-9
Synonymsthallousiodide; thalliumiodide Chinese Name碘化亚铊
Molecular FormulaTlI Molecular Weight331.27
UN No.1707 Data SourcePubChem (NIH/NLM)
GHS Hazard Classification
Signal Word DANGER
Pictograms GHS06 · Acute Toxic GHS08 · Health Hazard GHS09 · Environmental Hazard
Hazard Statements H300H330H373H411
Precautionary Statements P260P264P270P271P273P284P301+P316P304+P340P316P319P320P321P330P391P403+P233P405P501

Section 2. Hazards Identification

H300 (100%): Fatal if swallowed [Danger Acute toxicity, oral]

H330 (100%): Fatal if inhaled [Danger Acute toxicity, inhalation]

H373 (100%): May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]

H411 (100%): Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]

P260, P264, P270, P271, P273, P284, P301+P316, P304+P340, P316, P319, P320, P321, P330, P391, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 84 reports by companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

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. For more detailed information, please visit ECHA C&L website.

Not Classified

Section 8. Exposure Controls / Personal Protection

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

Section 9. Physical and Chemical Properties

Yellow solid; Nearly insoluble in water; [Merck Index] Yellow powder; [Aldrich MSDS] Insoluble in water; [Alfa Aesar MSDS]

nuclear quadrupole moment

dielectric constant

pseudobinary system

nuclear quadrupole coupling

crystal structure

Debye frequency

diffusion

enthalpy

effective mass

isothermal section

Gibbs energy

phase equilibrium

positional coordinate

temperature-composition section

electron conductivity

space group

molecular structure

enthalpy change

phase diagram

unit cell parameter

melting temperature

heat capacity

structural phase transition

crystallographic data

activation energy of resistivity

transition enthalpy

displacement parameter

band gap energy

structural transition temperature

phase transition

rotational excitation cross section

band structure

formation entropy

elastic coefficients

X-ray diffraction

magnetic susceptibility

ionic conductivity

atomic environment

quadrupole coupling

Section 11. Toxicological Information

Neurotoxin - Sensorimotor

Occupational hepatotoxin - Secondary hepatotoxins: the potential for toxic effect in the occupational setting is based on cases of poisoning by human ingestion or animal experimentation.

Source: PubChem CID 62679 (NIH/NLM, public domain). Retrieved from PubChem, a public-domain chemistry database maintained by the U.S. National Library of Medicine. Last updated: 2026-08-02 08:54:39.
Disclaimer: This information is compiled for reference only and does not replace the manufacturer's official Safety Data Sheet. Always consult the supplier's SDS before handling any chemical.