Note: Ingredients listed on restricted chemical lists
EC/CAS
204-427-5/120-80-9
Name of the chemical
1,2-Dihydroxybenzol (2018/1480)
Concentration
<= 100 %
General Information
Version
6.16
Revision date
2026-07-10
Product name
Pyrocatechol
CAS No.
120-80-9
REACH No
01-2119515921-43-XXXX
Emergency telephone
+44 (0)870 8200418
Icons in SDS
Company Information
company name
Merck Life Science UK Limited
e-mail address of the competent person responsible for the Safety Data Sheet
TechnicalService@merckgroup.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H301, H301+H311, H311, H315, H317, H318, H341, H350
Hazard statements
Code
Statements
H301
Toxic if swallowed
Section 2
SECTION 2: Hazards identification
Labelling according Regulation (EC) No 1272/2008 as amended by GB-CLP Classification of the substance or mixture
Signal word
Danger Danger
Hazard statements
H301 + H311 Toxic if swallowed or in contact with skin. H315 Causes skin irritation. H317 May cause an allergic skin reaction. H318 Causes serious eye damage. H341 Suspected of causing genetic defects. H350 May cause cancer. H317 May cause an allergic skin reaction. H341 Suspected of causing genetic defects. H350 May cause cancer. H318 Causes serious eye damage. H301 + H311 Toxic if swallowed or in contact with skin.
Precautionary statements
P202 Do not handle until all safety precautions have been read and understood. P261 Avoid breathing dust. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection. P301 + P310 IF SWALLOWED: Immediately call a POISON CENTER/ doctor. P302 + P352 + P312 IF ON SKIN: Wash with plenty of water. Call a POISON CENTER/ doctor if you feel unwell. P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P202 Do not handle until all safety precautions have been read and understood. P261 Avoid breathing dust. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection. P301 + P310 IF SWALLOWED: Immediately call a POISON CENTER/ doctor. P302 + P352 + P312 IF ON SKIN: Wash with plenty of water. Call a POISON CENTER/ doctor if you feel unwell. P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Supplemental label elements
none Restricted to professional users. Reduced Labelling (<= 125 ml) none
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. Rapidly absorbed through skin.
2.1 Classification of the substance or mixture
Classification according to Regulation (EC) No 1272/2008 as amended by GB-CLP Regulation, UK SI 2019/720, and UK SI 2020/1567 Acute toxicity, (Category 3) H301: Toxic if swallowed. Acute toxicity, (Category 3) H311: Toxic in contact with skin. Skin irritation, (Category 2) H315: Causes skin irritation. Serious eye damage, (Category H318: Causes serious eye damage. 1) Skin sensitisation, (Category 1) H317: May cause an allergic skin reaction. Germ cell mutagenicity, H341: Suspected of causing genetic (Category 2) defects. Carcinogenicity, (Category 1B) H350: May cause cancer.