Note: Ingredients listed on restricted chemical lists
EC/CAS
204-783-1/126-33-0
Name of the chemical
Tetrahydrothiophene 1,1-dioxide
Concentration
>=90-<=100
General Information
Version
6.11
Revision date
2026-07-10
Product name
Sulfolane
CAS No.
126-33-0
REACH No
01-2119565139-32-XXXX
Emergency telephone
+49 (0)696 43508409
Icons in SDS
Company Information
company name
Sigma-Aldrich Chemie GmbH
e-mail address of the competent person responsible for the Safety Data Sheet
technischerservice@merckgroup.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H302, H360FD, H373
Hazard statements
Code
Statements
H302
Harmful if swallowed
Section 2
SECTION 2: Hazards identification
Regulation (EC) No. 1272/2008 Classification of the substance or mixture
Signal word
Danger Danger
Hazard statements
H302 Harmful if swallowed. H360FD May damage fertility. May damage the unborn child. H373 May cause damage to organs (Immune system) through prolonged or repeated exposure. H360FD May damage fertility. May damage the unborn child.
Precautionary statements
P202 Do not handle until all safety precautions have been read and understood. P260 Do not breathe mist or vapours. P264 Wash skin thoroughly after handling. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection. P202 Do not handle until all safety precautions have been read and understood. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection. P308 + P313 IF exposed or concerned: Get medical advice/ attention.
Response
P301 + P312 IF SWALLOWED: Call a POISON CENTER/ doctor if you feel unwell. P308 + P313 IF exposed or concerned: Get medical advice/ attention. Reduced Labelling (<= 125 ml)
Supplemental label elements
none
2.3 Other hazards
This substance/mixture contains no components considered to be either persistent, bioaccumulative and toxic (PBT), or very persistent and very bioaccumulative (vPvB) at levels of 0.1% or higher.
ECOLOGICAL INFORMATION
The substance/mixture does not contain components considered to have endocrine disrupting properties according to REACH Article 57(f) or Commission Delegated regulation (EU) 2017/2100 or Commission Regulation (EU) 2018/605 at levels of 0.1% or higher.
TOXICOLOGICAL INFORMATION
The substance/mixture does not contain components considered to have endocrine disrupting properties according to REACH Article 57(f) or Commission Delegated regulation (EU) 2017/2100 or Commission Regulation (EU) 2018/605 at levels of 0.1% or higher.
2.1 Classification of the substance or mixture
Classification (REGULATION (EC) No 1272/2008) Acute toxicity, Category 4 H302: Harmful if swallowed. Reproductive toxicity, Category 1B H360FD: May damage fertility. May damage the unborn child. Specific target organ toxicity - H373: May cause damage to organs through repeated exposure, Category 2, prolonged or repeated exposure. Immune system
