Vapco Products, Inc.
Safety Data Sheet
Nickel Guard

SECTION 1: Identification

1.1 GHS Product identifier
Product name: Nickel Guard
Product number: NGC-1, NGC-16OZ
Brand: Vapco

1.3 Recommended use of the chemical and restrictions on use
Acid-based scale remover

1.4 Supplier’s details
Name: Vapco Products, Inc.
Address: 401 Marshall Road, Valley Park, Missouri 63088, United States
Telephone: (636) 923-2121
Fax: (636) 923-3002
email: [email protected]

1.5 Emergency phone number
(800) 255-3924

SECTION 2: Hazard identification

2.1 Classification of the substance or mixture
GHS classification in accordance with: OSHA (29 CFR 1910.1200, 2012)
– Eye damage/irritation, Cat. 1
– Skin corrosion/irritation, Cat. 1B

2.2 GHS label elements, including precautionary statements
Signal word: Danger

Hazard statement(s)
H314 Causes severe skin burns and eye damage

Precautionary statement(s)
P260 Do not breathe dust/fume/gas/mist/vapors/spray.
P264 Wash hands thoroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower.
P304+P340 IF INHALED: Remove person to fresh air and keep 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.
P310 Immediately call a POISON CENTER/doctor.
P321 Specific treatment (see First Aid on this label).
P363 Wash contaminated clothing before reuse.
P405 Store locked up.
P501 Dispose of contents/container to the specifications of local, regional, national, and international regulations.

SECTION 3: Composition/information on ingredients

3.2 Mixtures

Hazardous components	CAS no.	Concentration
1. Phosphoric acid (EC no. 231-633-2; Index no. 015-011-00-6)	7664-38-2	40 – 60 % (weight)
2. 1,2,3-Propanetricarboxylic acid, 2-hydroxy- (EC no. 201-069-1; Index no. 607-750-00-3)	77-92-9	1 – 10 % (weight)

SECTION 4: First-aid measures

4.1 Description of necessary first-aid measures
General advice: Never give anything by mouth to an unconscious person.If you feel unwell, seek medical advice (show the label where possible).
If inhaled: First, take proper precautions to ensure your own safety before attempting rescue (e.g. wear appropriate respiratory protective equipment, use the buddy system), then remove the exposed person to fresh air.Keep at rest in a position comfortable for breathing. Get medical advice/attention.
In case of skin contact: Immediately drench affected area with water for at least 15 minutes. Remove contaminated clothing immediately.Obtain medical attention if irritation develops or persists.
In case of eye contact: Immediately rinse with water for at least 15 minutes.Remove contact lenses, if present and easy to do. Continue rinsing. Obtain medical attention if irritation develops or persists.
If swallowed: Rinse mouth. Do NOT induce vomiting. Obtain medical attention.

4.2 Most important symptoms/effects, acute and delayed
Symptoms/Injuries: Harmful if inhaled.Causes serious eye and skin irritation.Symptoms/Injuries After Skin Contact: Contact causes severe irritation with burns.Dermatitis may occur due to long-term irritation.Symptoms/Injuries After Eye Contact: Contact causes severe irritation with redness and swelling of conjunctiva.Contact with gas/liquid escaping the container can cause permanent eye damage.

4.3 Indication of immediate medical attention and special treatment needed, if necessary
If exposed or concerned, get medical advice and attention.If medical advice is needed, have product container or label at hand.Note to physician: The absence of visible signs or symptoms of burns does not reliably exclude the presence of actual tissue damage.

SECTION 5: Fire-fighting measures

5.1 Suitable extinguishing media
Water spray, fog, carbon dioxide (CO2), alcohol-resistant foam, dry chemical, or sand.Use appropriate media for surrounding fire.

5.2 Specific hazards arising from the chemical
Reactivity: May be corrosive to metals and reactive to strong bases.Increased risk of fire or explosion.

5.3 Special protective actions for fire-fighters
Precautionary Fire Measures: Exercise caution when fighting any chemical fire.
Firefighting Instructions: Use dry chemical, foam, or carbon dioxide (CO2). Do not breathe fumes from fire or vapors from decomposition.Do NOT fight fire when fire reaches containers. Evacuate area. Fight fire remotely due to the risk of explosion.Shut off all sources of ignition. Use water spray or fog for cooling exposed containers.
Protection During Firefighting: Do not enter fire area without proper protective equipment, including respiratory protection.Wear NIOSH-approved Self-Contained Breathing Apparatus with a full face piece operated in a positive pressure demand mode with full body protective clothing when fighting fires.
Hazardous Combustion Products: Carbon oxide(s), nitrogen oxide(s), and metal oxide(s).

SECTION 6: Accidental release measures

6.1 Personal precautions, protective equipment and emergency procedures
General Measures: Do not get in eyes, on skin, or on clothing.Do not breathe vapors, spray, mist, gas. Keep away from heat, hot surfaces, sparks, open flames, and other ignition sources.No smoking.
For Non-Emergency Personnel Protective Equipment: Use appropriate personal protective equipment (PPE).Emergency Procedures: Evacuate unnecessary personnel. Stop leak if safe to do so.
For Emergency Personnel Protective Equipment: Equip cleanup crew with proper protection.Emergency Procedure: Eliminate ignition sources first, then ventilate the area. Evacuate unnecessary personnel, isolate, and ventilate area.Upon arrival at the scene, a first responder is expected to recognize the presence of dangerous goods, protect oneself and the public, secure the area, and call for the assistance of trained personnel as soon as conditions permit.

6.3 Methods and materials for containment and cleaning up
For Containment: Ventilate the area.Contain any spills with dikes or absorbents to prevent further migration and entry into sewers or streams.As an immediate precautionary measure, isolate spill or leak area in all directions.
Methods for Cleaning Up: Clean up spills immediately and dispose of waste safely. Eliminate all ignition sources. Ventilate area.Stop the ignition source of the release, if safe to do so.Consider the use of water spray to disperse vapors. Isolate the area until gas has dispersed.Ventilate and gas test area before entering. Take up liquid spill into absorbent material.Transfer spilled material to a suitable container for disposal. Contact competent authorities after a spill.
Waste Disposal: Dispose of in accordance with local, regional, national, and international regulations. Containers may be hazardous when empty.Do not flame cut, braze, or weld. Product should be fully characterized prior to disposal (40 CFR 261).
Reference to other sections
See Section 8 for exposure controls and personal protection and Section 13 for disposal considerations.

SECTION 7: Handling and storage

7.1 Precautions for safe handling
Additional Hazards When Processed: Do not pressurize, cut, or weld containers.Do not pierce or burn, even after use.
Precautions for Safe Handling: Do not handle until all safety precautions have been read and understood.Avoid contact with skin, eyes and clothing. Do not breathe gas, mist, spray, vapors.Wash hands and other exposed areas with mild soap and water before eating, drinking or smoking and when leaving work.Do not spray on open flame or other ignition source.
Hygiene Measures: Handle in accordance with good industrial hygiene and safety procedures.
Other Precautions: Keep out of reach of children.Follow label instructions. Vapors may collect in low lying areas.

7.2 Conditions for safe storage, including any incompatibilities
Technical Measures: Comply with applicable regulations.Proper grounding procedures to avoid static electricity should be followed.
Storage Conditions: Store in a dry, cool place.Keep only in the original container in a cool, well-ventilated place away from ignition sources. Protect from sunlight.Do not expose to temperatures exceeding 50°C/122°F. Keep/Store away from direct sunlight, extremely high or low temperatures and incompatible materials.Store locked up/in a secure area.
Incompatible Materials: Strong bases and chemically active metals.

SECTION 8: Exposure controls/personal protection

8.1 Control parameters
1. Phosphoric acid (CAS: 7664-38-2)
TWA (Inhalation): 1 mg/m3; AU (AU/SWA)
STEL (Inhalation): 3 mg/m3; AU (AU/SWA)
IOELV-LTEL [Orthophosphoric acid] (Inhalation): 1 mg/m3; EU (EU/OSHA) List no. 1 under Council Directive 98/24/EC as amended. List last updated on 8/29/2023.
IOELV-STEL [Orthophosphoric acid] (Inhalation): 2 mg/m3; EU (EU/OSHA) List no. 1 under Council Directive 98/24/EC as amended. List last updated on 8/29/2023.
PEL (Inhalation): 1 mg/m3; US (US/OSHA) OSHA Annotated Table Z-1, www.osha.gov
PEL (Inhalation): 1 mg/m3, (ST) 3 mg/m3; US (Cal/OSHA) OSHA Annotated Table Z-1, www.osha.gov
REL (Inhalation): 1 mg/m3, (ST) 3 mg/m3; US (NIOSH) OSHA Annotated Table Z-1, www.osha.gov

8.2 Appropriate engineering controls
Emergency eye wash fountains and safety showers should be available in the immediate vicinity of any potential exposure.Ensure adequate ventilation, especially in confined areas. Use explosion-proof equipment. Proper grounding procedures to avoid static electricity should be followed.Use only outdoors or in well-ventilated area. Ensure all local, regional, national, and international regulations are being observed.Obtain special instructions before use. Do not handle until all safety precautions have been read and understood.

8.3 Individual protection measures, such as personal protective equipment (PPE)
Eye/face protection: Chemical safety goggles. Insufficient ventilation: wear respiratory protection.Respiratory protection of the dependent type.
Skin protection: Wear protective gloves and clothing.
Body protection: Wear suitable protective clothing. Wear protective gloves.Chemical resistant materials and fabrics. Wear fire/flame resistant/retardant clothing.
Respiratory protection: Use a NIOSH-approved Self-Containing Breathing Apparatus whenever exposure may exceed established Occupational Exposure Limits.

SECTION 9: Physical and chemical properties

Physical state	Liquid
Appearance	Turbid liquid
Color	Green
Odor	Acid odor
Odor threshold	N/D
Melting point/freezing point	<32°F (0°C)
Boiling point or initial boiling point and boiling range	N/D
Flammability	Not considered a flammable liquid by OSHA (29 CFR 1910.1200)
Lower and upper explosion limit/flammability limit	N/D
Flash point	N/D
Auto-ignition temperature	N/D
Decomposition temperature	N/D
pH	<1
Kinematic viscosity	N/D
Solubility	Soluble in water
Partition coefficient n-octanol/water (log value)	N/D
Vapor pressure	23.8 mmHg at 77°F (25°C)
Evaporation rate	<0.8 (Slow)
Density and/or relative density	1.43 at 77°F (25°C)
Relative vapor density	1

SECTION 10: Stability and reactivity

10.1 Reactivity: May react with strong bases and chemically active metals.
10.2 Chemical stability: Stable.
10.3 Possibility of hazardous reactions: None known.
10.4 Conditions to avoid: Chlorine-liberating material.Do not mix with bases, ammonia, or other cleaning compounds. Direct sunlight, extremely high or low temperatures and incompatible materials.
10.5 Incompatible materials: Strong bases and chemically active metals.
10.6 Hazardous decomposition products: Carbon oxide(s), nitrogen oxide(s), and phosphorous oxide(s).

SECTION 11: Toxicological information

Acute toxicity:
1,2,3-Propanetricarboxylic acid, 2-hydroxy- LD50 Oral – Rat – 5,400 mg/kg; LD50 Skin – Rabbit – >2,000 mg/kg
Skin corrosion/irritation: Causes severe burns, prolonged contact will destroy tissue.
Serious eye damage/irritation: Causes severe burns, irritation, redness, tearing, pain, and may result in loss of sight.
Respiratory or skin sensitization: May cause irritation (possible severe), chemical burns, upper respiratory damage, and pulmonary edema.
Germ cell mutagenicity: Not classified.
Carcinogenicity: Not classified.
Reproductive toxicity: Not classified.
Specific target organ toxicity (STOT) – single exposure: Causes severe burns, prolonged contact will destroy tissue.
Specific target organ toxicity (STOT) – repeated exposure: Dermatitis may occur due to long-term irritation.Upper respiratory damage, chemical burns, and pulmonary edema. Potential loss of sight.
Aspiration hazard: Not classified.

Additional information:
Medical Condition Aggravated: Asthma, bronchitis, emphysema and other lung diseases and chronic nose, sinus or throat conditions.Skin irritation may be aggravated in individuals with existing skin disorders.Symptoms/Injuries: Harmful if inhaled.Causes serious eye and skin irritation.Symptoms/Injuries After Skin Contact: Contact causes severe irritation with burns.Dermatitis may occur due to long-term irritation.Symptoms/Injuries After Eye Contact: Contact causes severe irritation with redness and swelling of conjunctiva.Contact with gas/liquid escaping the container can cause permanent eye damage.

SECTION 12: Ecological information

Toxicity:
1,2,3-Propanetricarboxylic acid, 2-hydroxy- EC50 – Daphnia magna (water flea) – 1535 mg/l – 24 hrs; LC50 – Leuciscus idus (golden orfe) – 440 mg/l – 48 hrs

Persistence and degradability: This product is biodegradable.
Bioaccumulative potential: This product is not expected to bioaccumulate.
Mobility in soil: This product is mobile in soil.

SECTION 13: Disposal considerations

Disposal methods
Product disposal: Dispose of contents/container in accordance with local, regional, national, and international regulations.Do not pierce or burn, even after use.
Waste treatment: Check the pH of the waste to be disposed.May be subjected to disposal regulations: U.S. EPA 40 CFR 261. Hazardous waste number(s): D002.
Sewage disposal: Waste should not be disposed of untreated to the sewer unless fully compliant with the requirements of all authorities with jurisdiction.
Other disposal recommendations: Container may remain hazardous when empty. Continue to observe all precautions. Do not puncture or incinerate container.Product should be fully characterized prior to disposal.

SECTION 14: Transport information

DOT (US): UN Number: UN1805; Class: 8; Packing Group: III; Proper Shipping Name: Phosphoric acid solution
IMDG: UN Number: UN1805; Class: 8; Packing Group: III; EMS Number: N/A; Proper Shipping Name: Phosphoric acid solution
IATA: UN Number: UN1805; Class: 8; Packing Group: III; Proper Shipping Name: Phosphoric acid solution

SECTION 15: Regulatory information

15.1 Safety, health and environmental regulations specific for the product in question
Massachusetts Right To Know Components (105 CMR 670): Chemical name: PHOSPHORIC ACID; CAS number: 7664-38-2
Massachusetts Toxic Use Reduction Act (TURA) list: Chemical name: Phosphoric acid; CAS number: 7664-38-2
New Jersey Right To Know Components: Common name: PHOSPHORIC ACID; CAS number: 7664-38-2
Pennsylvania Right To Know Components: Chemical name: PHOSPHORIC ACID; CAS number: 7664-38-2
US EPA TSCA public inventory: Chemical name: Phosphoric acid; CAS number: 7664-38-2; Chemical name: 1,2,3-Propanetricarboxylic acid, 2-hydroxy-; CAS number: 77-92-9

SECTION 16: Other information

N/A = Not applicable; N/D = Not determined

16.1 Further information/disclaimer: To the best of our knowledge, information contained herein is accurate.However there is no assumption of liability for the accuracy or completeness of the information contained herein.Final determination of suitability of any material is the sole responsibility of the user.All materials may present unknown hazards and should be used with caution.Although certain hazards are described herein, we cannot guarantee that these are the only hazard which exists.The information contained in this SDS was obtained from current and reliable sources;however, the data is provided without warranty, expressed or implied, regarding its correctness or accuracy.Since the conditions of handling, storage and disposal of this product are beyond the control of the manufacturer, the manufacturer will not be responsible for loss, injury, or expense arising out of the products improper use.No warranty, expressed or inferred, regarding the product described in this SDS shall be created or inferred by any statement in this SDS.Various government agencies may have specific regulations regarding the transportation, handling, storage, use, or disposal of this product which may not be covered by this SDS.The user is responsible for full compliance.

16.2 Preparation information: Prepared by: Jessica Wilson; Date prepared: 2-21-2025