Note: Ingredients listed on restricted chemical lists
EC/CAS
231-990-4/7783-33-7
Name of the chemical
Mercury(II) potassium iodide
Concentration
5.6-5.9
EC/CAS
231-659-4/7681-11-0
Name of the chemical
potassium iodide
Concentration
<5
EC/CAS
215-185-5/1310-73-2
Name of the chemical
sodium hydroxide
Concentration
5% 2%
General Information
Version
5.0
Revision date
2026-04-14
Product name
Nessler solution
Product name
Nessler solution
Identification on the label/Trade name
Ing. Petr Švec - PENTA s.r.o
Substance name
mixture
1.2.1 Relevant identified uses
Chemical production, analytical chemistry, laboratory synthesis, industrial applications
1.2.2. Uses advised against
The product should not be used in ways other than those referred in Section 1
supplier name
Ing. Petr Švec - PENTA s.r.o
Icons in SDS
Company Information
company name
Ing. Petr Švec - PENTA s.r.o
e-mail address of the competent person responsible for the Safety Data Sheet
info@pentachemicals.eu
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H301+H331, H310, H314, H318, H373, H411
Hazard statements
Code
Statements
H301+H331
Toxic if swallowed or if inhaled
Section 2
SECTION 2: Hazards identification
Regulation (EC) No. 1272/2008 Classification of the substance or mixture
Signal word
Danger
Hazardous Ingredients
Dipotassium tetraiodomercurate Potassium iodide natrii hydroxidum
Hazard statements
H301+H331 Toxic if swallowed or if inhaled. H310 Fatal in contact with skin. H314 Causes severe skin burns and eye damage. H373 May cause damage to the thyroid gland through prolonged or repeated exposure. H411 Toxic to aquatic life with long lasting effects.
Precautionary statements
P280 Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P310 Immediately call a doctor.
Additional information
Restricted to professional users.
2.3 Other hazards
The mixture does not contain substances with endocrine disrupting properties in accordance with the criteria set out in Commission Delegated Regulation (EU) 2017/2100 or Commission Regulation (EU) 2018/605. Mixture does not contain any substance meet the criteria for PBT or vPvB in accordance with Annex XIII of Regulation (EC) No.
2.1 Classification of the substance or mixture
Classification of the mixture in accordance with Regulation (EC) No 1272/2008 The mixture is classified as dangerous. Acute Tox. 3, H301+H331 Acute Tox. 2, H310 Skin Corr. 1B, H314 Eye Dam. 1, H318 STOT RE 2, H373 (thyroid gland) Aquatic Chronic 2, H411 Most serious adverse effects on human health and the environment Fatal in contact with skin. Causes severe skin burns and eye damage. Causes serious eye damage. May cause damage to the thyroid gland through prolonged or repeated exposure. Toxic if swallowed or if inhaled. Toxic to aquatic life with long lasting effects.
