Tetrahydrothiophene for synthesis

Merck Life Science UK Limited

Revision date : 2025-08-06

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GHS07 GHS02
Health risk rating 3
Safety risk rating 3
Environmental risk rating 3

General Information

Version

8.8

Revision date

2025-08-06

Product name

Tetrahydrothiophene for synthesis

CAS No.

110-01-0

REACH No

is

1.2.1 Relevant identified uses

Chemical for synthesis

Emergency telephone

+44 (0)870 8200418

Icons in SDS

GHS02 GHS07

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)

H225, H302, H302+H312+H332, H312, H315, H319, H332, H412

Hazard statements

Code

Statements

H225

Highly flammable liquid and vapour

H302

Harmful if swallowed

H302+H312+H332

Harmful if swallowed, in contact with skin or if inhaled

H312

Harmful in contact with skin

H315

Causes skin irritation

H319

Causes serious eye irritation

H332

Harmful if inhaled

H412

Harmful to aquatic life with long lasting effects

Section 2

SECTION 2: Hazards identification

Regulation (EC) No. 1272/2008 Classification of the substance or mixture

Signal word

Danger Danger

Hazard statements

H225 Highly flammable liquid and vapour. H302 + H312 + H332 Harmful if swallowed, in contact with skin or if inhaled. H315 Causes skin irritation. H319 Causes serious eye irritation. H412 Harmful to aquatic life with long lasting effects. H412 Harmful to aquatic life with long lasting effects.

Precautionary statements

P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. 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. P303 + P361 + P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water. P304 + P340 + P312 IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/ doctor if you feel unwell. none

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 Flammable liquids, (Category 2) H225: Highly flammable liquid and vapour. Acute toxicity, (Category 4) H302: Harmful if swallowed. Acute toxicity, (Category 4) H332: Harmful if inhaled. Acute toxicity, (Category 4) H312: Harmful in contact with skin. Skin irritation, (Category 2) H315: Causes skin irritation. Eye irritation, (Category 2) H319: Causes serious eye irritation. Long-term (chronic) aquatic H412: Harmful to aquatic life with long hazard, (Category 3) lasting effects.

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