NITRIC ACID 70% GHS Classifications. Pictograms or Hazard symbols and Hazard statement(s): Signal Word: Danger. Hazard Statements: Safety Data Sheet

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1 Safety Data Sheet NITRIC ACID 70% Section 1 - Chemical Product and Company Identification SDS Name: Nitric Acid 70% Catalog Numbers: SO-765 Company Identification: ROWLEY BIOCHEMICAL 10 ELECTRONICS AVENUE DANVERS, MA For information, call: Emergency Number: For CHEMTREC assistance, call: Section 2 - Hazards Identification GHS Classifications H272-Oxidizing liquids: 2 H290-Corrosive to metals: 1 H301-Acute toxicity, oral: 3 H330-Acute toxicity, inhalation: 2 H314-Skin corrosion/irritation: 1B H318-Serious eye damage/eye irritation: 1 H370-Specific target organ toxicity, single exposure: 1 H373-Specific target organ toxicity, repeated exposure: 2 Pictograms or Hazard symbols and Hazard statement(s): Signal Word: Danger Hazard Statements: H272-May intensify fire; oxidizer H290-May be corrosive to metals H301-Toxic if swallowed

2 H330-Fatal if inhaled H314-Causes severe skin burns and eye damage H318-Causes serious eye damage H370-Causes damage to organs H373-May cause damage to organs through prolonged or repeated exposure Precautionary Statements: P210-Keep away from heat. P220-Keep/Store away from combustible materials. P221-Take any precaution to avoid mixing with combustibles. P234-Keep only in original container. P260-Do not breathe dust/fume/gas/mist/vapours/spray. P264-Wash thoroughly after handling. P270-Do not eat, drink or smoke when using this product. P271-Use only outdoors or in a well-ventilated area. P280-Wear protective gloves/protective clothing/eye protection/face protection. P284-Wear respiratory protection. P301+P310-If swallowed: Immediately call a Poison Center or doctor/physician. P301+P330+P331-If swallowed: Rinse mouth. Do NOT induce vomiting. P303+P361+P353-If on skin (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. P304+P340-If inhaled: Remove victim to fresh air and keep at rest in a position comfortable for breathing. P305+P351+P338-If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P307+P311-If exposed: Call a Poison Center or doctor/physician. P310-Immediately call a Poison Center or doctor/physician. P314-Get medical advice/attention if you feel unwell. P320-Specific treatment is urgent. P363-Wash contaminated clothing before reuse. P370+P378-In case of fire: Use water spray or fog, carbon dioxide and dry chemical, anything suitable for surroundings to extinguish. P390-Absorb spillage to prevent material damage. P403+P233-Store in a well-ventilated place. Keep container tightly closed. P405-Store locked up. P406-Store in corrosive resistant container with a resistant inner liner. P501-Dispose of contents/container in accordance with local/regional/national/international regulations. Section 3 - Composition, Information on Ingredients CAS# Chemical Name Percent Nitric Acid Water 29-30

3 Section 4 - First Aid Measures Eye Exposure: In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician. Corrosive to naked eye. May cause blindness. Dermal Exposure: In case of skin contact, flush with copious amounts of water for at least 15 minutes. Wash with soap and water. Remove contaminated clothing and shoes. Seek immediate medical advice. Corrosive to exposed skin. May cause deep, penetrating ulcers of the skin. Oral Exposure: May cause severe and permanent damage to the digestive tract. Causes gastrointestinal burns of the digestive tract, risk of perforation. Get immediate medical attention. Inhalation Exposure: If inhaled, remove to fresh air. If not breathing give artificial respiration. Seek medical attention. Effects may be delayed. May cause chemical burns to the respiratory tract. Section 5 - Fire Fighting Measures Special Remarks on Fire hazards: Firefighters should wear proper protective clothing and self-contained breathing apparatus with full piece operated in positive pressure mode to prevent contact with skin and eyes. Thermal decomposition produces irritating and toxic fumes. Contact with combustibles may cause extremely violent combustion. Can react with metals to release flammable hydrogen gas. Extinguishing Media: Use water spray or fog, carbon dioxide and dry chemical, anything suitable for surroundings. Flash Point: Non-flammable Auto ignition Temperature: N/A Explosion: May react explosively with combustible organic or readily oxidizable materials such as: alcohols, turpentine, charcoal, organic refuse, metal powder, hydrogen sulfide, etc. NFPA Codes: HEALTH 4 FLAMMABILITY 0 REACTIVITY 1 Section 6 - Accidental Release Measures Procedure(s) of Personal Precaution(s): Wear protective gear. Methods for Cleaning up: Clean up personnel should wear protective clothing and NIOSH approved respirator. Dike and cover the contaminated areas with absorbent, noncombustible material such as earth, sand or vermiculite. Section 7 - Handling and Storage

4 Wash thoroughly after handling. Remove contaminated clothing and wash before re-use. Do not breathe dust, mist, or vapor. Do not expose eyes, skin, or clothing. Keep container closed tightly. Avoid contact with combustibles. Do not use with metal tools or items. Use with adequate ventilation or respiratory protection. Do not store near combustibles or in direct sunlight. Store in a cool, dry, well-ventilated area away from incompatible substances. Separate from metals, alkali, and organics. Section 8 - Exposure Controls, Personal Protection Respiratory protection: Wear NIOSH/MESA approved full or half face piece (with goggles) respiratory protective equipment to avoid exposure to vapors above 0.1 ppm. A respiratory protection program complying with requirements of 29CFR is recommended. Ventilation: Where adequate ventilation is not available, use NIOSH approved vapor respirator with dust, fume and mist filters. Local ventilation through fume hoods or laminar flow stations is also preferred. Keep fumes away from strong bases. Protective gloves: Skin contact should be minimized through use of rubber gloves. Other protective equipment: Steel tipped shoes/eye wash station/chemical safety chemical retardant clothing. Eye protection: Safety goggles/face shield. Section 9 - Physical and Chemical Properties Physical State: Liquid Appearance: Colorless ph: 1 (1.0 M solution) Odor: Acrid Melting point: -42 deg. C Boiling point: 122 deg. C Flash point: non-flammable Ignition point: will not ignite Decomposition temp.: >150 deg. C Vapor density (Air=1): Not available Volatiles%: 100 Vapor pressure: 48 mm Hg at 25 deg. C Specific gravity: 1.41 g/cc Solubility in/miscibility: Completely Miscible in water. Evap. Rate (Water=1) Not available. Section 10 - Stability and Reactivity Chemical Stability: Stable at room temperature in closed containers under normal storage

5 and handling conditions. Conditions to avoid: Excess heat, light, confined spaces, incompatibles. Hazardous Decomposition Products: Nitric oxides. Hazardous Polymerization: Will not occur. Incompatible materials: Metals/metal powders, reducing agents, strong bases, acetic acid, alcohol, acetone, aniline, hydrogen sulfide, carbides, organic solvents, combustibles, chromic acid, flammables, cyanides, sulfides, turpentine. Section 11 - Toxicological Information LD50/LC50: CAS#: ORAL (LD50): Acute: 430 mg/kg [Rat] 50mg/kg [Mouse] 473mg/kg [Guinea pig] LC50 (Inhalation, rat): 244 ppm (nitrogen dioxide)(anhydrous substance) Carcinogenicity: CAS# : Not listed by ACGIH, IARC, NTP, or CA Prop 65. Route of exposure: Multiple routes: May cause irritation. May be harmful by inhalation, ingestion, or skin absorption. Strongly corrosive. Vapor inhalation burns mucous membranes; causes coughing, dyspnea. Inhalation may lead to oedemas in the respiratory tract. Burns skin, eyes (risk of blindness). Swallowing results in damage to mouth, esophagus, and gastrointestinal tract; risk of perforation; bloody vomiting; death. Subacute to Chronic Toxicity: Bacterial mutagenicity: Ames test: negative. Section 12 - Ecological Information CAS# Toxic effect on fish and plankton. Harmful effect due to ph shift. Forms corrosive mixtures with water even when diluted. Hazardous to drinking water supplies. Section 13 - Disposal Considerations DISPOSAL: Dispose of in accordance with all federal, state, and local regulations. Section 14 Transport Information DOT Shipping Name: Nitric Acid Class: 8, 5.1 PG II

6 UN2031 Section 15 - Regulatory Information Risk Phrases: Symbol: C, Corrosive R8 Contact with combustible material may cause fire R20/21/22 Harmful by inhalation, in contact with skin and if swallowed R35 Causes severe burns. R36/37/38 Irritating to eyes, respiratory system and skin R48/21/22 Harmful: danger of serious damage to health by prolonged exposure in contact with skin or if swallowed. Safety Phrases: S-Phrases: 23-36/37/39-45 Do not breathe vapor. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable protective clothing, gloves, and eye/face protection. In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). S14 Keep away from reducing agents, easily oxidized materials, organic materials and metal powders. The following component of this product is regulated as toxic a chemical under section 313 or Title III SARA, and 40CFR 372: Nitric Acid CAS# Section 16 - Additional Information SDS Creation Date: January 22, 2004 Revision # RC 11/5/15 Rev. # 1 Change from MSDS to SDS Rev. # 2 Change statement on section 13 Rev. # The information above is believed to be accurate and represents the best information currently available to us. However, we make no warranty of merchantability or any other warranty, express or implied, with respect to such information, and we assume no liability resulting from its use. Users should make their own investigations to determine the suitability of the information for their particular purposes. In no event shall Rowley Biochemical, Inc. be liable for any claims, losses, or damages of any third party or for lost profits or any special, indirect, incidental, consequential or exemplary damages, howsoever arising, even if Rowley Biochemical, Inc.has been advised of the possibility of such damages.