General Information
Version
1.4
Revision date
2025-07-15
Product name
L-THYROXINE UNLABELED
Substance name
L-THYROXINE UNLABELED
Product Synonyms
T4 / 3-[4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diidophenyl]-L-alanine / 3,3"5,5"-Tetraiodo-L-thyroxine
CAS No.
51-48-9
1.2.2. Uses advised against
No additional information available
supplier name
Cambridge Isotope Laboratories, Inc
Emergency telephone
1-703-741-5970, 1-800-424-9300 24
Icons in SDS
Company Information
company name
Cambridge Isotope Laboratories, Inc
e-mail address of the competent person responsible for the Safety Data Sheet
cilsales@isotope.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H373
Hazard statements
Code
Statements
H373
May cause damage to organs through prolonged or repeated exposure
Section 2
SECTION 2: Hazards identification
GHS US classification Classification of the substance or mixture GHS US classification Specific target organ toxicity (repeated exposure) Category 2 H373 May cause damage to organs (heart, central nervous system) through prolonged or repeated exposure (Dermal, Inhalation, oral) Full text of H statements see section 16
2.2 Label elements
GHS US labeling
Signal word
Danger
Hazard statements
H373 - May cause damage to organs (heart, central nervous system) through prolonged or repeated exposure (Dermal, Inhalation, oral)
Precautionary statements
P260 - Do not breathe dust, fume, gas, spray, mist, vapors. P262 - Do not get in eyes, on skin, or on clothing.
Other hazards which do not result in classification
No additional information available
Ingredient(s) with unknown acute toxicity
Not applicable
2.1 Classification of the substance or mixture
GHS US classification Specific target organ toxicity (repeated exposure) Category 2 H373 May cause damage to organs (heart, central nervous system) through prolonged or repeated exposure (Dermal, Inhalation, oral) Full text of H statements : see section 16
