Note: Ingredients listed on restricted chemical lists
EC/CAS
201-248-4/80-08-0
Name of the chemical
4,4′-diaminodiphenyl sulphone
Concentration
<= 100 %
General Information
Version
8.1
Revision date
2025-11-03
Product name
Dapsone
CAS No.
80-08-0
REACH No
A
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, H360F, H371, H373, H411
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 Acute toxicity, (Category 4) H302: Harmful if swallowed Reproductive toxicity, (Category H360F: May damage fertility 1B) Specific target organ toxicity - H371: May cause damage to organs single exposure, (Category 2), Blood Specific target organ toxicity - H373: May cause damage to organs repeated exposure, (Category 2), through prolonged or repeated exposure Blood, spleen, Liver Long-term (chronic) aquatic H411: Toxic to aquatic life with long lasting hazard, (Category 2) effects
Signal word
Danger Danger
Hazard statements
H302 Harmful if swallowed. H360F May damage fertility. H371 May cause damage to organs (Blood). H373 May cause damage to organs (Blood, spleen, Liver) through prolonged or repeated exposure. H411 Toxic to aquatic life with long lasting effects. Reduced Labelling (<= 125 ml) H360F May damage fertility.
Precautionary statements
P202 Do not handle until all safety precautions have been read and understood. P260 Do not breathe dust. P264 Wash skin thoroughly after handling. P273 Avoid release to the environment. P301 + P312 IF SWALLOWED: Call a POISON CENTER/ doctor if you feel unwell. P308 + P311 IF exposed or concerned: Call a POISON CENTER/ doctor. P202 Do not handle until all safety precautions have been read and understood.
Supplemental label elements
none 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
Acute toxicity, (Category 4) H302: Harmful if swallowed. Reproductive toxicity, (Category H360F: May damage fertility. 1B) Specific target organ toxicity - H371: May cause damage to organs. single exposure, (Category 2), Blood Specific target organ toxicity - H373: May cause damage to organs repeated exposure, (Category 2), through prolonged or repeated exposure. Blood, spleen, Liver Long-term (chronic) aquatic H411: Toxic to aquatic life with long lasting hazard, (Category 2) effects.
