Dimethyldiselenide

Fluorochem Limited

Revision date : 2026-05-29

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GHS02 GHS06 GHS08 GHS09
Health risk rating 4
Safety risk rating 2
Environmental risk rating 5

General Information

Version

ID 1.01

Revision date

2026-05-29

Product name

Dimethyldiselenide

Product Synonyms

Methyl diselenide

CAS No.

7101-31-7

1.2.1 Relevant identified uses

For research and development purposes

1.2.2. Uses advised against

No uses advised 1.3 Safety Data Sheet supplier details

Emergency telephone

+44 20 3807 3798

Icons in SDS

GHS02 GHS06 GHS08 GHS09 M004 M008 M009 M010 M011

Company Information

company name

Fluorochem Limited

e-mail address of the competent person responsible for the Safety Data Sheet

sds@fluorochem.co.uk

GHS Information

Signal word

Danger

Hazard Codes

Hazard statements (CLP)

H226, H301+H331, H373, H410

Hazard statements

Code

Statements

H226

Flammable liquid and vapour

Section 2

SECTION 2: Hazards identification

Classification of the substance or mixture Classification H226 Flam. Liq. 3 H301+H331 Acute Tox. 3 H373 STOT RE 2 H410 Aquatic Chronic 1

Signal word

Danger

Hazard pictograms

GHS02 GHS06 GHS08 GHS09 H226 Flammable liquid and vapour. H301+H331 Toxic if swallowed or if inhaled. H373 May cause damage to organs through prolonged or repeated exposure. H410 Very toxic to aquatic life with long lasting effects.

Precautionary statements

P101 If medical advice is needed, have product container or label at hand. P201 Obtain special instructions before use. P202 Do not handle until all safety precautions have been read and understood. P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P233 Keep container tightly closed. P240 Ground and bond container and receiving equipment. P241 Use explosion-proof equipment. P242 Use non-sparking tools. P243 Take action to prevent static discharges. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P272 Contaminated work clothing should not be allowed out of the workplace. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing and eye/face protec- tion. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER/doctor. P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P302+P352 IF ON SKIN: Wash with plenty of water and soap. P303+P361+P353 IF ON SKIN (or hair): Take off immediately all con- taminated clothing. Rinse skin with water. P304+P340 IF INHALED: Remove person to fresh air and keep com- fortable for breathing. P305+P351+P338 IF IN EYES: Rinse cautiously with water for sev- eral minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P308+P313 IF exposed or concerned: Get medical advice/attention. P310 Immediately call a POISON CENTER/doctor. P321 Specific treatment (see Section 4 on this SDS). P333+P313 If skin irritation or rash occurs: Get medical advice/attention. P342+P311 If experiencing respiratory symptoms: Call a POISON P361+P364 Take off immediately all contaminated cloth- ing and wash it before reuse. P370+P378 In case of fire: Use dry sand to extinguish. P391 Collect spillage. P403+P235 Store in a well-ventilated place. Keep cool. P405 Store locked up. P501 Dispose of contents/container to hazardous waste disposal.

Supplemental label elements

None

2.3 Other hazards

Other Classification Hazards This substance/mixture contains no components consid- ered to be either persistent, bioaccumulative and toxic (PBT), or very persistent and very bioaccumulative (vPvB) at levels of 0.1% or higher.

ECOLOGICAL INFORMATION

This substance/mixture contains no components consid- ered to have endocrine disrupting properties for environ- ment , according to REACH Article 57(f), Commission Regulation (EU) 2018/605 or Commission Delegated Regulation (EU) 2017/2100.

TOXICOLOGICAL INFORMATION

This substance/mixture contains no components consid- ered to have endocrine disrupting properties affecting hu- man health, according to REACH Article 57(f), Commission Regulation (EU) 2018/605 or Commission Delegated Regulation (EU) 2017/2100.

2.1 Classification of the substance or mixture

Classification H226 Flam. Liq. 3 H301+H331 Acute Tox. 3 H373 STOT RE 2 H410 Aquatic Chronic 1

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