2,3-Dihydrothieno[3,4-b][1,4]dioxine

BLD Pharmatech GmbH

Revision date : 2025-11-05

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GHS06
Health risk rating 3
Safety risk rating 1
Environmental risk rating 3

General Information

Version

6.1

Revision date

2025-11-05

Product name

2,3-Dihydrothieno[3,4-b][1,4]dioxine

CAS No.

126213-50-1

1.2.1 Relevant identified uses

For laboratory research purposes.Not for drug or household use

Emergency telephone

1-352-323-3500

Icons in SDS

GHS06 M004 M009 M010 M011 M017

Company Information

company name

BLD Pharmatech GmbH

GHS Information

Signal word

Danger

Hazard Codes

Hazard statements (CLP)

H302, H311+H331, H319, H412

Hazard statements

Code

Statements

H302

Harmful if swallowed

Section 2

SECTION 2: Hazards identification

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

Physical hazards

Based on available data, the classification criteria are not met

Health hazards

Acute toxicity, dermal and acute toxicity, inhalation Category 3 (H311+H331) Acute toxicity, oral Category 4 (H302) Serious eye damage/eye irritation Category 2A (H319) Hazardous to the aquatic environment, long-term hazard Category 3 (H412)

Environmental hazards

Based on available data, the classification criteria are not met

Signal word

Danger

Hazard statements

H311+H331 - Toxic in contact with skin or if inhaled H302 - Harmful if swallowed H319 - Causes serious eye irritation H412 - Harmful to aquatic life with long lasting effects

Precautionary statements

P261 - Avoid breathing dust/fume/gas/mist/vapours/spray. P273 - Avoid release to the environment. P264 - Wash hands thoroughly after handling. P280 - Wear protective gloves/protective clothing/eye protection/face protection. P302+P352+P312 - IF ON SKIN: Wash with plenty of soap and water. Call a POISON CENTER or doctor/physician if you feel unwell. P403+P233 - Store in a well-ventilated place. Keep container tightly closed.

PBT Substances

Not applicable

vPvB Substances

Not applicable

2.1 Classification of the substance or mixture

CLP Classification - Regulation (EC) No 1272/2008 Physical hazards Based on available data, the classification criteria are not met Health hazards Acute toxicity, dermal and acute toxicity, inhalation Category 3 (H311+H331) Acute toxicity, oral Category 4 (H302) Serious eye damage/eye irritation Category 2A (H319) Hazardous to the aquatic environment, long-term hazard Category 3 (H412) Environmental hazards Based on available data, the classification criteria are not met

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