Note: Ingredients listed on restricted chemical lists
EC/CAS
201-969-4/90-15-3
Name of the chemical
1-Naphthalenol
Concentration
<= 100 %
General Information
Version
7.7
Revision date
2026-02-25
Product name
1-Naphthol
CAS No.
90-15-3
REACH No
A
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)
H302, H311, H315, H317, H318, H335, H371, H400, H410
Hazard statements
Code
Statements
H302
Harmful 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
H302 Harmful if swallowed. H311 Toxic in contact with skin. H315 Causes skin irritation. H317 May cause an allergic skin reaction. H318 Causes serious eye damage. H335 May cause respiratory irritation. H371 May cause damage to organs (Kidney) if swallowed. H410 Very toxic to aquatic life with long lasting effects. H311 Toxic in contact with skin. H317 May cause an allergic skin reaction. H318 Causes serious eye damage.
Precautionary statements
P273 Avoid release to the environment. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection. P301 + P312 IF SWALLOWED: Call a POISON CENTER/ doctor if you feel unwell. 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. P308 + P311 IF exposed or concerned: Call a POISON CENTER/ doctor. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection. 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 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.
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 4) H302: Harmful 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, (Sub-category H317: May cause an allergic skin reaction. 1A) Specific target organ toxicity - H371: May cause damage to organs if single exposure, (Category 2), swallowed. Kidney Specific target organ toxicity - H335: May cause respiratory irritation. single exposure, (Category 3), Respiratory system Short-term (acute) aquatic H400: Very toxic to aquatic life. hazard, (Category 1) Long-term (chronic) aquatic H412: Harmful to aquatic life with long hazard, (Category 3) lasting effects.