SDS

Orthotolidine SDS
2
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to
do. Continue rinsing. Immediately call a physician or poison control center.
Storage: Store in original container. Keep container tightly closed when not in use. Store locked up.
Disposal: Dispose of contents/container in accordance with local/regional/national international
regulations
Hazard(s) Not Otherwise Classified: None
Supplemental Information: None
3. COMPOSITION/INFORMATION ON INGREDIENTS
Mixtures:
Chemical Name Common Name/Synonyms Cas No. Percentage
De-ionized Water Dihydrogen Oxide 7732-18-5 90 – 99%
Hydrochloric Acid Muriatic Acid/Hydrogen Chloride 7647-01-0 6 – 10%
Orthotolidine 3,3-dimethylbenzidine dihydrochloride 612-82-8 0.1 – 1%
4. FIRST AID MEASURES
Inhalation: Move to fresh air. Give oxygen or artificial respiration if needed. Get medical attention
immediately.
Skin Contact: Immediately flush skin with running water for at least 20 minutes. Immediately take off all
contaminated clothing. Call a physician or poison control center immediately. Chemical burns must be
treated by a physician. Wash contaminated clothing before reuse.
Eye Contact: Immediately flush eyes with plenty of water for at least 20 minutes. Remove contact lenses if
present and easy to do. Continue rinsing. Call a physician or poison control center immediately.
Ingestion: Call a physician or poison control center immediately. Rinse mouth. Never give anything by
mouth to an unconscious person or is having convulsions. Do NOT induce vomiting unless directed by
physician. If vomiting occurs, keep head low so that stomach content does not get into the lungs.
Most important symptoms/effect, acute and delayed: Direct skin contact may cause severe irritation.
Symptoms may include redness, edema, drying, de-fatting and cracking of the skin. Direct contact with
concentrated solutions may be harmful to the eyes and may cause severe damage including blindness.
Symptoms may include stinging, tearing, redness, swelling and blurred vision.
Inhalation of mists can cause severe respiratory irritation. Symptoms may include coughing, choking, and
wheezing.
Ingestion may produce burns to the lips, oral cavity, upper airway, esophagus, and possibly the digestive
tract. Symptoms may include abdominal pain, vomiting, burns, perforations, bleeding.
Possible cancer hazard. May cause cancer, based on animal data.
Indication of immediate medical attention and special treatment needed: Provide general supportive
measures and treat symptomatically. Immediate medical attention is required.
General Information: Ensure medical personnel are aware of the material(s) involved and take precautions
to protect themselves.