1,4-Dioxane Reference Standard

Thermo Fisher Scientific Fisher Scientific (M) Sdn Bhd

Revision date : 2026-06-25

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GHS02 GHS07 GHS08
Health risk rating 5
Safety risk rating 3
Environmental risk rating 1

Note: Ingredients listed on restricted chemical lists

General Information

Revision date

2026-06-25

Product name

1,4-Dioxane Reference Standard

Product Synonyms

Diox

CAS No.

123-91-1

Emergency telephone

+(60)-327884561

Icons in SDS

GHS02 GHS07 GHS08 M004 M009 M010 M011 M017

Company Information

company name

Thermo Fisher Scientific Fisher Scientific (M) Sdn Bhd

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

laboratorysolution@thermofisher.com

GHS Information

Signal word

Danger

Hazard Codes

Hazard statements (CLP)

H225, H319, H335, H350

Hazard statements

Code

Statements

H225

Highly Flammable liquid and vapour

Section 2

SECTION 2: Hazards identification

Classification of the substance or mixture

Physical hazards

Flammable liquids Category 2 (H225)

Health hazards

Serious Eye Damage/Eye Irritation Category 2 (H319) Carcinogenicity Category 1B (H350) Specific target organ toxicity - (single exposure) Category 3 (H335)

Environmental hazards

Based on available data, the classification criteria are not met

Signal word

Danger

Hazard statements

H225 - Highly flammable liquid and vapor H319 - Causes serious eye irritation H335 - May cause respiratory irritation H350 - May cause cancer

Prevention

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 P240 - Ground and bond container and receiving equipment P241 - Use explosion-proof electrical/ ventilating/ lighting equipment P242 - Use non-sparking tools P243 - Take action to prevent static discharges P280 - Wear eye protection/ face protection P261 - Avoid breathing dust/fume/gas/mist/vapors/spray P264 - Wash face, hands and any exposed skin thoroughly after handling P271 - Use only outdoors or in a well-ventilated area

Response

P303 + P361 + P353 - IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower P304 + P340 - IF INHALED: Remove person to fresh air and keep comfortable for breathing P305 + P351 + P338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing P308 + P313 - IF exposed or concerned: Get medical advice/attention P370 + P378 - In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish

Storage

P403 + P233 - Store in a well-ventilated place. Keep container tightly closed

Disposal

P501 - Dispose of contents/ container to an approved waste disposal plant

2.3 Other hazards

EUH019 - May form explosive peroxides EUH066 - Repeated exposure may cause skin dryness or cracking Toxic to terrestrial vertebrates Contains a known or suspected endocrine disruptor Included in the list established in accordance with Article 59(1) for having endocrine disrupting properties

2.1 Classification of the substance or mixture

Physical hazards Flammable liquids Category 2 (H225) Health hazards Serious Eye Damage/Eye Irritation Category 2 (H319) Carcinogenicity Category 1B (H350) Specific target organ toxicity - (single exposure) Category 3 (H335) Environmental hazards Based on available data, the classification criteria are not met

SDS Library

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Up-to-date – Your SDS get updated to latest versions.
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Employee access – Tablets, Smartphones, or link from Corporate Intranet
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Safety – One-click access to first aid information.
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Labels – Generate Secondary Container Labels with just one click.