PCB Copper Etchant or Ammoniacal Ammonical Etchant MSDS Sheet

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Ammonical or Ammoniacal Etchant SDS, Safety Data Sheet
MSDS Sheet; Material Safety Data Sheet 30-Nov-20

Product Name & Other Names: Ammoniacal Etchant, Copper Etchant, PCB Etchant
CAS No.: Mixture.
Molecular Weight: Not applicable to mixture
Chemical Formula: Not applicable to mixture.

GHS, Globally Harmonized System Classification in accordance with 29 CFR 1910
Classification according to Regulation (EC) No 1272/2008

Acute toxicity, Oral (Category 4), H302
Eye damage (Category 1), H318
Hazardous to the aquatic environment, acute hazard (Category 1) H400

Hazard statements:
H302 Harmful if swallowed.
H318 Causes serious eye damage.
H400 Very toxic to aquatic life.

Precautionary statements:
P262 Do not get in eyes, on skin, or on clothing.
P264 Wash skin thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P314 Get Medical advice/attention if you feel unwell.
P301+P312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell.
P305+ P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P337+P313 If eye irritation persists: Get medical advice/ attention.
P330 Rinse mouth.
P360 Rinse immediately contaminated clothing and skin with plenty of water before removing clothes.
P391: Collect spillage.
P501 Dispose of contents/ container to an approved waste disposal plant.

Classification according to EU Directives 67/548/EEC or 1999/45/EC:
Hazard Symbols:
Xn Harmful.
C Corrosive.
N Dangerous for the environment.
Risk Phrases:
R22 Harmful if swallowed.
R41 Risk of serious damage to eyes.
R50 Very toxic to aquatic organisms.

A.
Ingredient: Ammonium Chloride
CAS No.: 12125-02-9
EINECS EC Number: 235-186-4
Percent: 15 - 25%
B.
Ingredient: Ammonium Hydroxide
CAS No.: 1336-21-6
EINECS EC Number: 215-647-6
Percent: 15 - 20%
C.
Ingredient: Ammonium Carbonate
CAS No.: -
Percent: 2-5%
It is an aqueous solution.

Inhalation: Remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical attention.
Ingestion: Never give anything by mouth to an unconscious person. Get medical attention.
Skin Contact: Immediately flush skin with plenty of water for at least 15 minutes. Remove contaminated clothing and shoes. Get medical attention. Wash clothing before reuse. Thoroughly clean shoes before reuse.
Eye Contact: Check for and remove any contact lenses. In case of contact, immediately flush eyes with plenty of water for at least 15 minutes. Cold water may be used. Get medical attention.

Fire: Ammoniacal etchant is not considered to be a fire hazard.
Explosion: It is not considered to be an explosion hazard.
Fire Extinguishing Media: Use any means suitable for extinguishing surrounding fire. Water spray may be used to keep fire exposed containers cool.
Special Information: In the event of a fire, wear full protective clothing and NIOSH-approved self-contained breathing apparatus with full face piece operated in the pressure demand or other positive pressure mode. At high temperatures under fire conditions, it may produce toxic or irritating fumes. Fire-extinguishing work is done from the windward and the suitable fire-extinguishing method according to the surrounding situation is used. Uninvolved persons should evacuate to a safe place.

Personal precautions, protective equipment, and emergency procedures: Avoid breathing dust/fumes/gas/mist/vapors/spray. Use individual protective equipment (waterproof boots, suitable protective clothing, safety glasses, etc.). Restrict unprotected personnel from the area. Prevent any contact with hot surfaces. Do not approach facing the wind. Do not touch the spilled material.
Environmental precautions: Do not let the product enter drains, soil, or water sources.
Methods and materials used for containment Cleanup procedures and Storage:
Small Spill: Use appropriate tools to put the spilled solid in a convenient waste disposal container. Finish cleaning by spreading water on the contaminated surface and dispose of according to local and regional authority requirements.
Large Spill: Use water spray curtain to divert vapor drift. Use water spray to reduce vapors. Neutralize spill with a weak acid such as vinegar or acetic acid. Do not inhale dust, vapors, mist, or gas. Avoid dust formation. Contain spilled material. Cover with an inert, non-combustible absorbent material, (e.g. sand, earth, diatomaceous earth, vermiculite). Use a shovel to put the material into a convenient waste disposal container. Finish cleaning by spreading water on the contaminated surface and allow to evacuate as per law.

Precautions for safe handling: Apply according to good manufacturing and industrial hygiene practices. Ensure proper ventilation. In case of insufficient ventilation, wear suitable respiratory equipment. Wash thoroughly after handling. Do not drink, eat, or smoke while handling. Avoid contact with skin, eyes, and clothing. Minimize dust generation. Avoid breathing dust/fumes/gas/mist/vapors/spray. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use individual protective equipment (waterproof boots, suitable protective clothing, safety glasses, etc.). Prevent any contact with hot surfaces.
Conditions for safe storage, including any incompatibilities: Store in cool, dry, and ventilated area away from heat sources and protected from sunlight in tightly closed original container. Keep air contact to a minimum. Store protected from heat, sparks and ignition sources and incompatible materials. Avoid contact with skin and eyes. Avoid inhalation of dust/mist/vapor. Do not store with incompatible materials like strong oxidizing agents.

Airborne Exposure Limits:
Ammonium chloride:
-ACGIH Threshold Limit Value (TLV):
10 mg/m3 (TWA); 20 mg/m3 (STEL) Fume
Airborne Exposure Limits:
For Ammonia:
- OSHA Permissible Exposure Limit (PEL) -
50 ppm (TWA)
- ACGIH Threshold Limit Value (TLV)
25 ppm (TWA), 35 ppm (STEL).
Ventilation System: A system of local and/or general exhaust is recommended to keep employee exposures below the Airborne Exposure Limits. Local exhaust ventilation is generally preferred because it can control the emissions of the contaminant at its source, preventing dispersion of it into the general work area. Please refer to the ACGIH document, Industrial Ventilation, A Manual of Recommended Practices, most recent edition, for details.
Personal Respirators (NIOSH Approved): If the exposure limit is exceeded and engineering controls are not feasible, a half face piece particulate respirator (NIOSH type N95 or better filters) may be worn for up to ten times the exposure limit or the maximum use concentration specified by the appropriate regulatory agency or respirator supplier, whichever is lowest.. A full-face piece particulate respirator may be worn. If oil particles (e.g. lubricants, cutting fluids, glycerin, etc.) are present, use a NIOSH type R or P filter. For emergencies or instances where the exposure levels are not known, use a full-face piece positive-pressure, air-supplied respirator.
Skin Protection: Wear impervious protective clothing, including boots, gloves, lab coat, apron or coveralls, as appropriate, to prevent skin contact.
Eye Protection: Use chemical safety goggles and/or full face shield where dusting or splashing of solutions is possible. Maintain eye wash fountain and quick-drench facilities in work area.
Other Control Measures: Maintain good housekeeping in work area. Dust deposits on floors and other surfaces may pick up moisture and cause the surfaces to become slippery and present safety hazards. Handle in accordance with good industrial hygiene and safety practice. Wash hands after handling.

Physical state and appearance: Liquid.
Odor: Ammoniacal.
Odor threshold: Not available.
pH: about 8-9
Relative density: around 1.2
Melting point/freezing point: Not available.
Initial boiling point and boiling range: Not available.
Flash point: Not available.
Auto-ignition temperature: Not available.
Decomposition temperature: Not available.
Upper/lower flammability or explosive limits: Not available.
Vapor pressure: Not available.
Vapor Density (Air=1): 1.9
Evaporation rate: Not available.
Flammability (solid, gas): Not available.
Partition coefficient: n-octanol/water: Not available.
Solubility(ies): Not available.
Viscosity: Not available.

Stability: Ammonical etchant is stable under ordinary conditions of use and storage.
Hazardous Decomposition Products: Ammoniacal etchant involvement in a fire causes decomposition to form hydrogen chloride and ammonia.
Hazardous Polymerization: Will not occur.
Incompatibilities: Concentrated acids, strong bases, silver salts, potassium chlorate, ammonium nitrate, bromine trifluoride and iodine heptafluoride. Ammoniacal etchant reacts explosively with potassium chlorate or bromine trifluoride, and violently with bromide pentafluoride, ammonium compounds, nitrates, and iodine heptafluoride. Explosive nitrogen trichloride may result from reaction of Ammoniacal etchant and hydrogen cyanide.
Conditions to Avoid: Heat, moisture, incompatibles.

Toxicity Data: (44 % Ammonium Hydroxide); Oral Toxicity: LD50: 350 Mg/Kg (Rat).
Toxicity Data: (100 % Ammonium Chloride); Oral Toxicity: LD50: 1650 Mg/Kg (Rat), LD50: 1300 Mg/Kg (Mouse).
Toxicity Data: (100 % Ammonium Carbonate); Intravenous Toxicity: LD50: 96 Mg/Kg (Mouse).

Products of Biodegradation: Possibly hazardous short term degradation products are not likely. Biological effects: Highly toxic for aquatic organisms.
Persistence and Degradability: No information available.
Mobility: No information available.
Bioaccumulation/ Accumulation: No information available.
Results of PBT and vPvB assessment: No data available for assessment.

Whatever cannot be saved for recovery or recycling should be managed in an appropriate and approved waste disposal facility. Processing, use or contamination of this product may change the waste management options. State and local disposal regulations may differ from federal disposal regulations. Dispose of container and unused Ammoniacal etchant in accordance with legal requirements.

DOT USA, TDG Canada & ADR/RID Europe
Shipping Name: Corrosive Liquid, Basic, Inorganic, N.O.S.(Ammonium Hydroxide, Ammonium Chloride, Ammonium Carbonate)
DOT Hazard Class: 8
Hazardous Ingredients: Ammonium Hydroxide, Ammonium Chloride, Ammonium Carbonate
Identification Number: UN 3266
Packing Group: II
Label: Corrosive.
IMDG/IMO & IATA/ICAO:
Shipping Name: Corrosive Liquid, Basic, Inorganic, N.O.S.(Ammonium Hydroxide, Ammonium Chloride, Ammonium Carbonate)
DOT Hazard Class: 8
Hazardous Ingredients: Ammonium Hydroxide, Ammonium Chloride, Ammonium Carbonate
Identification Number: UN 3266
Packing Group: II
Label: Corrosive.

USA
TSCA: The mixture contains ingredients listed on the TSCA inventory.
Section 313: This product contains ammonia and is subject to reporting as ammonia and ammonium ion on an ammonia basis = 1.6 Lb/Gal.
OSHA: Hazardous by definition of Hazard Communication Standard (29 CFR 1910.1200).
California No Significant Risk Level: This product may contain chemicals known to the state of California to cause cancer, or birth defects or other reproductive harm.

European Labeling in Accordance with EC Directives:
H302 = Harmful if swallowed.
H318 = Causes serious eye damage.
H400 = Very toxic to aquatic life.

Disclaimer:
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Our company provides this Ammoniacal etchant SDS information sheet contained herein in good faith but makes no representation as to its comprehensiveness or accuracy. This Ammonical etchant MSDS sheet is intended only as a guide to the appropriate precautionary handling of the material by a properly trained person using this product. Individuals receiving the information must exercise their independent judgment in determining its appropriateness for a particular purpose.
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