Ethionamide safety data

GHS hazards, precautions, first aid, handling and transport for Ethionamide. A classification summary, not a safety data sheet.

CAS 536-33-4Formula C₈H₁₀N₂S

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

GHS classification

Pictograms, signal word and hazard classes of the GHS classification

Harmful or irritant

Serious health hazard

Signal word

Warning

Hazard classes and categories

Acute Tox. 4 (oral)
Repr. 2

Hazard statements

H codes grouped by type. Percentages show the share of classification notifications that report the statement

Health hazards

H302Harmful if swallowed.
H361Suspected of damaging fertility or the unborn child.

Precautionary statements

P codes for prevention, response, storage and disposal

Prevention

P203Obtain, read and follow all safety instructions before use.
P264Wash skin thoroughly after handling.
P270Do not eat, drink or smoke when using this product.
P280Wear protective gloves, protective clothing, eye protection and face protection.

Response

P301 + P317If swallowed: Get medical help.
P318If exposed or concerned, get medical advice.
P330Rinse mouth.

Storage

P405Store locked up.

Disposal

P501Dispose of contents and container in accordance with local regulations.

First aid

General first aid measures. Get medical advice if you feel unwell

If inhaled

IMMEDIATELY leave the contaminated area, take deep breaths of fresh air. If symptoms (such as wheezing, coughing, shortness of breath, or burning in the mouth, throat, or chest) develop, call a physician and be prepared to transport the victim to a hospital. Provide proper respiratory protection to rescuers entering an unknown atmosphere. Whenever possible, Self-Contained Breathing Apparatus (SCBA) should be used, if not available, use a level of protection greater than or equal to that advised under Protective Clothing.

Skin contact

IMMEDIATELY flood affected skin with water while removing and isolating all contaminated clothing. Gently wash all affected skin areas thoroughly with soap and water. If symptoms such as redness or irritation develop, IMMEDIATELY call a physician and be prepared to transport the victim to a hospital for treatment.

Eye contact

First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. Do not put any ointments, oils, or medication in the victim's eyes without specific instructions from a physician. IMMEDIATELY transport the victim after flushing eyes to a hospital even if no symptoms (such as redness or irritation) develop.

If swallowed

DO NOT INDUCE VOMITING. If the victim is conscious and not convulsing, give 1 or 2 glasses of water to dilute the chemical and IMMEDIATELY call a hospital or poison control center. Be prepared to transport the victim to a hospital if advised by a physician. If the victim is convulsing or unconscious, do not give anything by mouth, ensure that the victim's airway is open and lay the victim on his/her side with the head lower than the body. DO NOT INDUCE VOMITING. IMMEDIATELY transport the victim to a hospital.

Handling, storage and disposal

Summaries only, follow the supplier SDS for your grade

Safe handling

RECOMMENDED RESPIRATOR: Where the neat test chemical is weighed and diluted, wear a NIOSH-approved half face respirator equipped with an organic vapor/acid gas cartridge (specific for organic vapors, HCl, acid gas and SO2) with a dust/mist filter.

Storage

Ethionamide film-coated tablets should be stored in tight containers at 20-25 °C. Store below 40 °C (104 °F), preferably between 15 and 30 °C (59 and 86 °F), unless otherwise specified by manufacturer. Store in a tight container.

Exposure limits and toxicity

Occupational exposure limits and toxicity data

Main risks and target organs: Most common adverse reactions are gastrointestinal disturbances including anorexia, nausea, vomiting, excessive salivation, a metallic taste, stomatitis and diarrhoea and hepatitis. Central nervous system effects include dizziness, drowsiness, headaches, convulsions, peripheral neuropathy, tremors and paraesthesias. There is no experience in acute overdose of ethionamide. One of the metabolites resembles isoniazid and one should watch for similar symptoms. Summary of clinical effects: Gastrointestinal: Anorexia, vomiting, stomatitis, diarrhea, System: excessive salivation, metallic taste, hepatotoxicity.

Supplier safety data sheets

SDS documents uploaded by suppliers who list this chemical

No supplier has uploaded an SDS for Ethionamide yet. Suppliers usually send one with their quote. Request quotes

Safety questions

Quick answers about handling Ethionamide safely

Is Ethionamide hazardous?

Ethionamide carries the GHS signal word "Warning". Main hazards: harmful if swallowed, suspected of damaging fertility or the unborn child. This summary is not an SDS, always read the supplier safety data sheet.

Which GHS pictograms apply to Ethionamide?

The GHS classification of Ethionamide shows 2 pictograms: GHS07 (harmful or irritant), GHS08 (serious health hazard).

How should Ethionamide be stored?

Where can I get the SDS for Ethionamide?

Ask the supplier for the safety data sheet of the exact grade you buy. Suppliers on CompoundList can attach their SDS to listings and send it with a quote. This page is a GHS classification summary, not an SDS.

GHS classification summary, not an SDS. Always check the supplier's SDS. Last updated 7 Oct 2026. Report an error

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