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MATERIAL SAFETY DATA SHEET

PRODUCT CODE NUMBER(S): 1190-1

PRODUCT IDENTIFICATION

Chemical Name and Synonyms: 1-Amino-2-naphthol-4-sulphonic acid Chemical Family: Azo dye intermediate Chemical Formula: H2N(HO)C10H5SO3H Product Use: Laboratory reagent Manufacturer's Name and Address: Caledon Laboratories Ltd. 40 Armstrong Avenue Georgetown, Ontario L7G 4R9 Telephone No: (905) 877-0101 Fax No: (905) 877-6666 Emergency Telephone No: CANUTEC (613) 996-6666

1-AMINO-2-NAPHTHOL-4-SULPHONIC ACID

FIRE AND EXPLOSION DATA

Flammability: May be combustible if strongly heated. As with most organic compounds, fine dust dispersed in air in the presence of an ignition source is a potential dust explosion hazard. Extinguishing Media: Extinguishing media appropriate to the surrounding fire. Water or foam may cause frothing, which can blanket and smother the fire, but it can also cause dangerous splattering. Use water as spray or fog, carefully, to minimize dust, absorb heat, cool containers, and disperse vapours. Fight fire from upwind, from a safe distance. Firefighters should wear protective equipment and clothing sufficient to prevent inhalation of dust or fumes and contact with skin and eyes. Flash Point (Method Used): None Autoignition Temperature: None Upper Flammable Limit (% by volume): Not applicable Lower Flammable Limit (% by volume): Not applicable Hazardous Combustion Products: COx, SOx, NOx, toxic, irritating fumes Sensitivity to Impact: None identified Sensitivity to Static discharge: As with most organic powders, mixtures of dust with air may be sensitive under certain conditions, when ignited by an electrostatic or other high-voltage spark, or other ignition source.

HAZARDOUS INGREDIENTS OF MATERIALS

Ingredients 1-Amino-2-naphthol4-sulphonic acid % TLV Units CAS No. 116-63-2 >98 Not established

PHYSICAL DATA

Physical State: Solid Odour and Appearance: White or gray needles; odourless Odour Threshold (ppm): Not applicable Vapour Pressure (mm Hg): Not applicable Vapour Density (Air = 1): Not applicable Evaporation Rate: Not applicable Boiling Point (degrees C): Not available Melting Point (degrees C): Not available pH: Not available Specific Gravity: 1.480 @ 21°C Coefficient of Water/Oil distribution: Not available

TOXICOLOGICAL PROPERTIES AND HEALTH DATA

To the best of our knowledge the physical, chemical, and toxicological properties of this substance have not yet been thoroughly investigated. Toxicological Data: LD50: (oral, rat, >500 mg/kg; (dermal, rabbit) >1,000 mg/kg (both est. values) LC50: Not available Effects of Acute Exposure to Product: Inhaled: Corrosive. No human or animal information available. Expected to cause mucous membrane irritation with sore throat, coughing, and shortness of breath. Severity of effects depends on the concentration of dust or mist, and the duration of exposure. Severe overexposure may cause lung damage, chemical pneumonitis or pulmonary edema and even death. In contact with skin: No human or animal information available. Dust or solutions may cause irritation with redness and pain. Concentrated solutions are corrosive, causing skin damage and possible permanent scarring. In contact with eyes: No human or animal information available. Dust or solutions may cause severe eye irritation, with redness, pain and possible irreversible corrosive eye damage.

SHIPPING DESCRIPTION

UN: Not regulated T.D.G. Class: Not regulated Pkg. Group: Not regulated

REACTIVITY DATA

Chemical Stability: Stable. Turns pink on exposure to moisture or light. Incompatibility with other substances: May react violently with strong oxidizers. Reactivity: Avoid exposure to moisture, excessive heat, ignition sources, all incompatilbe materials. Hazardous Decomposition Products: None identified

MSDS

1-AMINO-2-NAPHTHOL-4-SULPHONIC ACID

CODE: 1190-1

Ingested: May cause severe irritation of gastrointestinal tract, with burning, nausea, vomiting, abdominal pain. Large doses may cause lethargy, eventual coma and death. Effects of Chronic Exposure to Product: Carcinogenicity: No evidence of carcinogenicity (IARC, NTP, OSHA), but amino naphthols are considered potentially caracinogenic Teratogenicity: No information available Reproductive Effects: No information available Mutagenicity: No information available Synergistic Products: None known Skin: Remove contaminated clothing(including shoes, belts, watches, rings). Wipe off excess from skin. Drench skin with running water for at least fifteen (15) minutes. Wear protective gloves to avoid contact during first aid procedures. Get medical attention. Decontaminate clothing before reuse, or discard. Inhalation: Remove to fresh air. Give oxygen and get medical attention for any breathing difficulty. Ingestion: If victim is alert and not convulsing, rinse mouth thoroughly and give 2 to 4 glasses of water to drink to dilute. Do not induce vomiting. Get medical attention immediately.

REFERENCES USED

Budavari: The Merck Index, 12th ed., 1997 Sax, Lewis: Hawley's Condensed Chemical Dictionary, 11th ed., 1987 Suppliers' Material Safety Data Sheets

PREVENTIVE MEASURES

Engineering Controls: Local exhaust ventilation recommended Respiratory Protection: Dust mask. NIOSH approved self-contained breathing apparatus for high or unknown concentrations, as in fire or spill conditions. Eye Protection: Chemical safety goggles. Skin Protection: Rubber gloves with guantlets Plastic apron, sleeves and other protective clothing sufficient to prevent contact. Other Personal Protective Equipment: Safety shower and eye-wash fountain in work area. Leak and Spill Procedure: Ventilate area. Evacuate area. Cleanup personnel must be thoroughly trained in the handling of hazardous materials, and must wear protective equipment and clothing sufficient to prevent inhalation of dust or fumes and contact with skin and eyes. Contain spill. Cover with inert absorbent and transfer carefully into container and arrange removal by disposal company. Wash site of spillage thoroughly with water and detergent. Waste Disposal: Follow all federal, provincial and local regulations for disposal. Handling Procedures and Equipment: CORROSIVE. Workers using this chemical must be thoroughly trained in its hazards and its safe use, and must weat appropriate protective equipment and clothing. Prevent release of dusts into workplace air. Avoid inhaling dust; avoid contact with skin, eyes, or clothing.Use the smallest possible amount for the purpose, in designated areas with adequate ventilation. Use good housekeeping practices; avoid accumulation of dust; keep workplace free of extraneous materials. Keep containers closed when not in use and when empty. Empty containers may contain hazardous residues; treat with caution. Storage Requirements: Store in suitable, labelled containers in a cool, dry, well-ventilated area, out of direct sunlight and away from incompatible materials. Avoid exposure to moisture or light. Keep dry. Keep air out of container. Keep container tightly closed. Inspect frequently for signs of damage or leaking. Treat empty containers with caution; they may contain hazardous residues.

ADDITIONAL INFORMATION

Date Issued: November 2001 Revision: November 2010 MSDS: 1190-1 Proposed WHMIS Designation: E (solutions are corrosive) Prepared by: Caledon Laboratories Ltd. (905) 877-0101 Caledon Laboratories Ltd. believes the information contained herein is reliable and accurate. Caledon makes no warranty with respect thereto and expressly disclaims all liability for reliance thereon. Such information is solely for your consideration, investigation, and verification.

FIRST AID MEASURES

Specific Measures: Eyes: Immediately flush eyes thoroughly with gently running water for at least fifteen (15) minutes, holding eyelids open while flushing. Take care not to flush contaminated water into unaffected eye. Wear protective gloves to avoid contact during first aid procedures. Get medical attention immediately .

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