2-Hydroxyethylhydrazine

Sigma-Aldrich Inc

Revision date : 2025-11-06

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GHS06 GHS08 GHS07
Health risk rating 4
Safety risk rating 1
Environmental risk rating 1

General Information

Version

6.10

Revision date

2025-11-06

Product name

2-Hydroxyethylhydrazine

CAS No.

109-84-2

1.2.1 Relevant identified uses

Laboratory chemicals, Synthesis of substances

1.2.2. Uses advised against

The product is being supplied under the TSCA R&D Exemption

Emergency telephone

800-424-9300, +1-703- 527-3887

Icons in SDS

GHS06 GHS07 GHS08 M004 M010 M011 M017

Company Information

company name

Sigma-Aldrich Inc

GHS Information

Signal word

Danger

Hazard Codes

Hazard statements (CLP)

H227, H301+H311+H331, H315, H319, H335, H351

Hazard statements

Code

Statements

H227

Combustible liquid

Section 2

SECTION 2: Hazards identification

Other hazards

None known

Signal word

Danger

Hazard statements

H227 Combustible liquid. H301 + H311 + H331 Toxic if swallowed, in contact with skin or if inhaled. H315 Causes skin irritation. H319 Causes serious eye irritation. H335 May cause respiratory irritation. H351 Suspected of causing 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/ sparks/ open flames/ hot surfaces. No smoking. P261 Avoid breathing mist or vapours. P264 Wash skin thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection.

Response

P301 + P310 + P330 IF SWALLOWED: Immediately call a POISON CENTER/ doctor. Rinse mouth. P302 + P352 + P312 IF ON SKIN: Wash with plenty of water. Call a POISON CENTER/ doctor if you feel unwell. P304 + P340 + P311 IF INHALED: Remove person to fresh air and keep comfortable for breathing. 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. P308 + P313 IF exposed or concerned: Get medical advice/ attention. P332 + P313 If skin irritation occurs: Get medical P337 + P313 If eye irritation persists: Get medical P362 Take off contaminated clothing and wash before reuse. 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. P403 + P235 Store in a well-ventilated place. Keep cool. P405 Store locked up.

Disposal

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

2.1 Classification of the substance or mixture

(29 CFR 1910.1200) Hazards for the product as supplied Flammable liquids : Category 4 Acute toxicity (Oral) : Category 3 Acute toxicity : Category 3 (Inhalation) Acute toxicity (Dermal) : Category 3 Skin irritation : Category 2 Eye irritation : Category 2A Carcinogenicity : Category 2 Specific target organ : Category 3 (Respiratory system) toxicity - single exposure Other hazards

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