SDS
Orthotolidine SDS
6
Hazardous Decomposition Products: Chlorine Hydrogen chloride. For hazardous combustion products,
refer to Section 5 of the SDS.
11. TOXICOLOGICAL INFORMATION
Information on Likely Routes of Exposure
Inhalation: May cause respiratory irritation
Skin Contact: Causes severe skin burns
Eye Contact: Causes serious eye damage
Ingestion: Harmful if swallowed.
Most Important Symptoms/Effects, Acute and Delayed: Direct skin contact may cause severe irritation.
Symptoms may include redness, edema, drying, defatting, 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, asophagus and possibly the digestive
tract. Symptoms may include abdominal pain, vomiting, burns, perforations, bleeding.
Possible cancer hazard. May cause cancer based on animal data.
Acute Toxicity: Harmful if swallowed.
Product Species Test Results
Orthotolidine (CAS Mixture)
Acute Dermal LD
50
Rabbit Not available
Acute Inhalation LC
50
Rat 16.91 mg/L, 4 hours (mist)
Acute Oral LD
50
Rat 439 mg/kg
Hydrochloric Acid (CAS #7647-01-0)
Acute Dermal LD
50
Rabbit >5010 mg/kg
Acute Inhalation LC
50
Rat 1.05 – 1.175 mg/L, 4 hours (mist)
Acute Oral LD
50
Rabbit Not Available
Deionized Water (CAS #7732-18-5)
Acute Dermal LD
50
Rabbit Not available
Acute Inhalation LC
50
Rat Not available
Acute Oral LD
50
Rat >89840 mg/kg
Skin Corrosion/Irritation: Causes severe skin burns and eye damage.
Serious Eye Damage/Eye Irritation: Causes serious eye damage.
Respiratory Sensitization: Not expected to be a respiratory sensitizer
Skin Sensitization: Not expected to be a skin sensitizer.
Germ cell Mutagenicity: Not expected to be mutagenic
Carcinogenicity: May cause cancer
IARC Monographs-Overall Evaluation of Carcinogenicity
Orthotolidine (CAS #612-82-8): 2B Possibly carcinogenic to humans
Hydrochloric Acid (CAS #7647-01-0):3 Not classifiable as to carcinogenicity to humans
Reproductive Toxicity: This product is not expected to cause reproductive or developmental effects.