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Antibiotics and anti-infectives

Dapsone safety data

GHS hazards, precautions, first aid, handling and transport for Dapsone. A classification summary, not a safety data sheet.
CAS 80-08-0Formula C12H12N2O2S

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

GHS07: Harmful or irritant
Harmful or irritant
Signal word
Warning

Hazard classes and categories

  • Acute Tox. 4 (oral)

Hazard statements

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

Health hazards

  • H302Harmful if swallowed.

Precautionary statements

P codes for prevention, response, storage and disposal

Prevention

  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.

Response

  • P301 + P317If swallowed: Get medical help.
  • P330Rinse mouth.

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. IMMEDIATELY call a physician and be prepared to transport the victim to a hospital even if no symptoms (such as wheezing, coughing, shortness of breath, or burning in the mouth, throat, or chest) develop. 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. OTHER: Since this chemical is a known or suspected carcinogen you should contact a physician for advice regarding the possible long term health effects and potential recommendation for…

Handling, storage and disposal

Summaries only, follow the supplier SDS for your grade

Safe handling

Eye/face protection: Safety glasses with side-shields conforming to EN166. Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU). Skin protection: Handle with gloves.

Storage

Keep container tightly closed in a dry and well-ventilated place. Light sensitive. Dapsone tablets should be stored at 20-25 °C and protected from light. Dapsone may discolor following exposure to light.

Disposal

SRP: Expired or waste pharmaceuticals shall carefully take into consideration applicable DEA, EPA, and FDA regulations. It is not appropriate to dispose by flushing the pharmaceutical down the toilet or discarding to trash. If possible return the pharmaceutical to the manufacturer for proper disposal being careful to properly label and securely package the material. Alternatively, the waste pharmaceutical shall be labeled, securely packaged and transported by a state licensed medical waste contractor to dispose by burial in a licensed hazardous or toxic waste landfill or incinerator. Product: Offer surplus and non-recyclable solutions to a licensed disposal company, Contaminated packaging: Dispose of as unused product.

Exposure limits and toxicity

Occupational exposure limits and toxicity data

Methemoglobinemia is the principal and constant feature of dapsone poisoning. Clinical features may include headache, dizziness, agitation, restlessness, nausea, vomiting, abdominal pain, bluish-grey cyanosis, tachycardia, hyperventilation, stupor, convulsions, coma, jaundice, and intravascular hemolysis. Adverse hematologic effects are most severe in patients with a G-6-PD deficiency. The dapsone hypersensitivity syndrome, which is associated with a reported mortality of 9.9%, develops in about 0.5 to 3.6% of persons treated with the drug. Dapsone may induce acute pancreatitis.

Supplier safety data sheets

SDS documents uploaded by suppliers who list this chemical

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

Safety questions

Quick answers about handling Dapsone safely

Is Dapsone hazardous?

Dapsone carries the GHS signal word "Warning". Main hazards: harmful if swallowed. This summary is not an SDS, always read the supplier safety data sheet.

Which GHS pictograms apply to Dapsone?

The GHS classification of Dapsone shows 1 pictogram: GHS07 (harmful or irritant).

How should Dapsone be stored?

Keep container tightly closed in a dry and well-ventilated place. Light sensitive. Dapsone tablets should be stored at 20-25 °C and protected from light. Dapsone may discolor following exposure to light.

Where can I get the SDS for Dapsone?

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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