Note: Ingredients listed on restricted chemical lists
EC/CAS
54-64-8
Name of the chemical
Sodium o-(ethylmercurithio)benzoate
Concentration
>= 80 - <= 100
General Information
Version
6.19
Revision date
2026-04-29
Product name
Thimerosal
CAS No.
54-64-8
1.2.1 Relevant identified uses
For analytical reference material or R&D use only excluding preservative intent
1.2.2. Uses advised against
The product is being supplied under the TSCA R&D Exemption
Emergency telephone
800-424-9300, +1-703- 527-3887
Icons in SDS
Company Information
company name
Sigma-Aldrich Inc
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H300+H310+H330, H373, H410
Hazard statements
Code
Statements
H300+H310+H330
Fatal if swallowed, in contact with skin or if inhaled
Section 2
SECTION 2: Hazards identification
Long term hazards
Category 1 aquatic hazard
Other hazards
None known
Signal word
Danger
Hazard statements
H300 + H310 + H330 Fatal if swallowed, in contact with skin or if inhaled. H373 May cause damage to organs (Kidney) through prolonged or repeated exposure if swallowed. H410 Very toxic to aquatic life with long lasting effects.
Prevention
P260 Do not breathe dust. P262 Do not get in eyes, on skin, or on clothing. P264 Wash skin thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P273 Avoid release to the environment. P280 Wear protective gloves/ protective clothing. P284 Wear respiratory protection.
Response
P301 + P310 + P330 IF SWALLOWED: Immediately call a POISON CENTER/ doctor. Rinse mouth. P302 + P352 + P310 IF ON SKIN: Wash with plenty of water. Immediately call a POISON CENTER/ doctor. P304 + P340 + P310 IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/ doctor. P314 Get medical advice/ attention if you feel unwell. P361 + P364 Take off immediately all contaminated clothing and wash it before reuse. P391 Collect spillage.
Storage
P403 + P233 Store in a well-ventilated place. Keep container tightly closed. P405 Store locked up.
Disposal
P501 Dispose of contents/ container to an approved waste disposal plant.
2.1 Classification of the substance or mixture
(29 CFR 1910.1200) Hazards for the product as supplied Acute toxicity (Oral) : Category 2 Acute toxicity : Category 2 (Inhalation) Acute toxicity (Dermal) : Category 1 Specific target organ : Category 2 (Kidney) toxicity - repeated exposure (Oral) Short-term (acute) : Category 1 aquatic hazard Long-term (chronic) : Category 1 aquatic hazard Other hazards
