L-Triiodothyronine
[CAS# 6893-02-3]

Identification

• Classification: API >> Drugs that affect tissue metabolism
• Name: L-Triiodothyronine
• Synonyms: Liothyronine; 3,3',5-Triiodo-L-thyronine; O-(4-Hydroxy-3-iodophenyl)-3,5-diiodo-L-tyrosine
• Molecular Formula: C₁₅H₁₂I₃NO₄
• Molecular Weight: 650.97
• CAS Registry Number: 6893-02-3
• EC Number: 229-999-3

Properties

• Melting point: 234-238 ºC
• alpha: 23 º (c=2 in ethanol)

Safety Data

• Hazard Symbols: Xi
• Risk Codes: R36/37/38
• Safety Description: S26;S36

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335
Eye irritation	Eye Irrit.	2	H319
Eye irritation	Eye Irrit.	2A	H319
Specific target organ toxicity - single exposure	STOT SE	3	H336
Specific target organ toxicity - repeated exposure	STOT RE	2	H373