Sodium selenite

Merck Life Science UK Limited

Revision date : 2025-12-26

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GHS09 GHS06
Health risk rating 5
Safety risk rating 3
Environmental risk rating 4

Note: Ingredients listed on restricted chemical lists

EC/CAS

233-267-9/10102-18-8

Name of the chemical

Sodium-selenite

Concentration

<= 100 %

Listed in

General Information

Version

8.9

Revision date

2025-12-26

Product name

Sodium selenite

CAS No.

10102-18-8

REACH No

A

Emergency telephone

+44 (0)870 8200418

Icons in SDS

GHS06 GHS09 M004 M009 M017

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)

H300, H300+H330, H315, H317, H319, H330, H411

Hazard statements

Code

Statements

H300

Fatal 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

H300 + H330 Fatal if swallowed or if inhaled. H315 Causes skin irritation. H317 May cause an allergic skin reaction. H319 Causes serious eye irritation. H411 Toxic to aquatic life with long lasting effects. H317 May cause an allergic skin reaction. H300 + H330 Fatal if swallowed or if inhaled.

Precautionary statements

P260 Do not breathe dust. P273 Avoid release to the environment. P280 Wear protective gloves/ eye protection/ face protection. P302 + P352 IF ON SKIN: Wash with plenty of water. P304 + P340 + P310 IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/ doctor. P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P260 Do not breathe dust. P302 + P352 IF ON SKIN: Wash with plenty of water. P304 + P340 + P310 IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/ doctor.

Supplemental label elements

EUH031 Contact with acids liberates toxic gas. Reduced Labelling (<= 125 ml) EUH031 Contact with acids liberates toxic gas.

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 2) H300: Fatal if swallowed. Acute toxicity, (Category 2) H330: Fatal if inhaled. Skin irritation, (Category 2) H315: Causes skin irritation. Eye irritation, (Category 2) H319: Causes serious eye irritation. Skin sensitisation, (Category 1) H317: May cause an allergic skin reaction. Long-term (chronic) aquatic H411: Toxic to aquatic life with long lasting hazard, (Category 2) effects.

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