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Zinc Ammonium Chloride Galvanizing Flux SDS MSDS Sheet

The product is offered as Mono, Double, Triple and Quad Salt

Zinc Ammonium Chloride Manufacturers, Galvanizing Flux Manufacturers Specifications

Zinc Ammonium Chloride Solid SDS MSDS Sheet, Material Safety Data Sheet

1. Product Identification

Synonyms: Galvanizers Flux.
: Single Salt: 52628-25-8; Double Salt: 14639-97-5; Triple Salt: 14639-98-6; Quad Salt
EINECS: EC Number: 258-054-8; 238-687-6; 238-688-1; --
Molecular Weight: 189.80; 243.30; 296.76; 350.25
Chemical Formula: ZnCl2-NH4Cl; ZnCl2-(NH4Cl)2; ZnCl2-(NH4Cl)3; ZnCl2-(NH4Cl)4
Recommended usage: Industrial Manufacturing.
Suppliers: As per letterhead.

Product Description

Type of Salt

CAS Number and EINECS

Zinc Ammonium Chloride Mono Salt ZnCl2-NH4Cl MW: 189.80

52628-25-8 ------ 258-054-8

Zinc Ammonium Chloride Double Salt ZnCl2-(NH4Cl)2 MW: 243.30

14639-97-5 ------ 238-687-6

Zinc Ammonium Chloride Triple Salt ZnCl2-(NH4Cl)3 MW: 296.76

14639-98-6 ------ 238-688-1

Zinc Ammonium Chloride Quad Salt ZnCl2-(NH4Cl)4 MW: 350.25

--------------  -----  ------------

2. Hazards Identification

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

Acute Toxicity 4
Skin corrosion/irritation Category 2
Serious eye damage/eye irritation Category 1
Hazardous to the aquatic environment, long-term hazard Category 2

Labeling according GHS & Regulation (EC) No 1272/2008

GHS Label Elements
Aquatic Toxicity
Aquatic Toxicity

GHS Label Elements

Signal Words: Warning

Hazard statements:
H302 Harmful if swallowed.
H315 - Causes skin irritation.
H319 Causes serious eye irritation.
H411 Toxic to aquatic life with long lasting effects.

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.
P310: Immediately call a POISON CENTER or doctor/ physician.
P314: Get Medical advice/attention if you feel unwell.
P330: Rinse mouth.
P301+P312: IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell.
P302+P352: IF ON SKIN: Wash with soap and water.
P305+ P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P332+P313: If skin irritation occurs: Get medical advice/attention.
P337+P313 If eye irritation persists: Get medical advice/ attention.
P360: Rinse immediately contaminated clothing and skin with plenty of water before removing clothes.
P362: Take off contaminated clothing and wash before reuse.
P391: Collect spillage.
P404: Store in a closed container.
P501 Dispose of contents/ container to an approved waste disposal plant.

Classification according to Regulation 67/548/EEC or 1999/45/EC:
C-N, R 22-34-50/53

OSHA Hazards: Harmful by ingestion, inhalation and contact; Corrosive.

3. Composition/Information on Ingredients
Ammonium Chloride - CAS No. 12125-02-9 -
Zinc Chloride ----- CAS No. 7646-85-7 --

4. First Aid Measures

Always seek medical attention after first aid measures are provided.

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: Wipe off excess material from skin then 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: Immediately flush eyes with plenty of water for at least 15 minutes, lifting lower and upper eyelids occasionally. Get medical attention immediately.
Note to Physician: -.

5. Fire Fighting Measures

Flammability of the Product: The product is not flammable.
At fire temperatures ammonium chloride begins to corrode metals and may dissociate into ammonia and hydrogen chloride. Mixtures of about 16% to 25% (by volume) ammonia gas in air are flammable.
Auto-Ignition Temperature: NA.
Products of Combustion: It emits toxic oxides of carbon and oxides of nitrogen when heated to decomposition.
Fire: The product is not flammable.
Explosion: Slightly explosive in presence of heat.
Fire Extinguishing Media
: Water spray, dry chemical, alcohol foam, or carbon dioxide. Use means suitable for extinguishing surrounding fire.
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 or when moistened under fire conditions, it may produce toxic or irritating fumes.

6. Accidental Release Measures

Small Spill: Avoid dust formation. Avoid breathing dust. Ensure adequate ventilation. 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: Do not let the product enter drains. Use a shovel to put the material into a convenient waste disposal container. Finish cleaning by spreading water on the contaminated surface and allow evacuating through the sanitary system.
US Regulations (CERCLA) require reporting spills and releases to soil, water and air in excess of reportable quantities. The toll free number for the US Coast Guard National Response Center is (800) 424-8802.

7. Handling and Storage

Do not breathe dust. Wear suitable protective clothing. In case of insufficient ventilation, wear suitable respiratory equipment.
Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Wash hands thoroughly after handling. Provide appropriate exhaust ventilation at places where dust is formed. If you feel unwell, seek medical attention.
Keep Zinc ammonium chloride in a tightly closed container, stored in a cool, dry, ventilated area. Protect against physical damage or contact with oxidizing material and combustible substances.
Zinc Chloride is a Toxic Chemical under Section 313 of Title III/SARA, and 40 CFR Part 372.
Ammonium Salts Generate Ammonia in Water. For SARA 313 Requirements, 10% of the Total ammonia present in aqueous ammonia solutions is reportable.

8. Exposure Controls/Personal Protection

Airborne Exposure Limits:
---- For Ammonium Chloride:


10 mg/m3 TWA (fume)
20 mg/m3 STEL (fume)


10 mg/m3 TWA
20 mg/m3 STEL


10 mg/m3 TWA (fume)
20 mg/m3 STEL (fume)

---- For Zinc Chloride:


1 mg/m3 TWA (fume)
2 mg/m3 STEL (fume)


1 mg/m3 TWA (fume)
2 mg/m3 STEL (fume)


1 mg/m3 TWA (fume)
2 mg/m3 STEL (fume)

Ventilation System: A system of local and/or general exhaust is recommended to keep employee exposures as low as possible. 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.
Personal Respirators (NIOSH Approved): For conditions of use where exposure to dust or mist is apparent and engineering controls are not feasible, a particulate respirator may be worn. For emergencies or instances where the exposure levels are not known, use a full-face positive-pressure, air-supplied respirator.
Skin Protection: Wear protective gloves and clean body-covering clothing.
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.

9. Physical and Chemical Properties

Appearance: Zinc Ammonium Chloride is white powder or granules.
Odor: None
Solubility: Readily soluble in water
pH: 5.5 at 1% solution at 25 C (77F)
Density: NA
Molecular Weight: As in para1.
Molecular Formula: As in para1.
% Volatiles by volume @ 21C (70F): 0
Boiling Point: NA
Melting Point: NA

10. Stability and Reactivity

Stability: Zinc ammonium chloride is stable under ordinary conditions of use and storage. The material is delinquent and should be stored in tightly closed containers.
Hazardous Decomposition Products: 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. Ammonium chloride 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 ammonium chloride and hydrogen cyanide.
Conditions to Avoid: Moisture, Heat, Incompatibles.

11. Toxicological Information

Routes of Entry: Inhalation, Ingestion, Contact.
Toxicity to Animals:
Oral rat LD50 : 1450 mg/kg Investigated as a mutagen for Ammonium Chloride
Oral rat LD50: 350 mg/kg. Investigated as a tumorigen, mutagen, and reproductive effector for Zinc Chloride.
Remarks on Toxicity to Animals: Not available.
Carcinogenicity: Not listed by ACGIH, IARC, NTP, or CA Prop 65.
Mutagenic Effects: Mutagenic for bacteria and/or yeast. May cause damage to blood.

12. Ecological Information

Environmental Toxicity:

Ammonium chloride (12125-02-9) Test & Species


24 Hr LC50 Lepomis macrochirus

725 mg/L

96 Hr LC50 Cyprinus carpio

209 mg/L [static]

24 Hr LC50 Daphnia magna

202 mg/L

Biodegradability: -
BOD5 and COD: Not available.
Environmental Fate: No information found.

13. Disposal Considerations

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 contents in accordance with federal, state and local requirements. Small amounts of this material may be suitable for sanitary sewer or trash disposal.

14. Transport Information

Classification according to ADR/RID: UN 2331 Zinc chloride, anhydrous, mixture 8 N III
Classification according to IMDG: UN 2331 Zinc chloride, anhydrous, mixture 8 III MARINE POLLUTANT
Classification according to IATA: UN 2331 Zinc chloride, anhydrous, mixture 8 III
PROPER SHIPPING NAME:   Corrosive solid, acidic, inorganic, n.o.s. (Zinc Chloride, Ammonium Chloride)
This material is considered as dangerous goods, per regulations of Transport Canada.
Proper Shipping Name: Zinc chloride anhydrous
Hazard Class: 8; Packing Group: III
UN/NA: UN-UN-1840 (1840 is for solution & 2331 is for powder material)
Air, I.C.A.O.
Proper Shipping Name: Zinc chloride anhydrous
Hazard Class: 8; Packing Group: III
UN/NA: UN-1840 (1840 is for solution & 2331 is for powder material)
This material is considered as dangerous goods, per regulations of Transport Canada.

15. Regulatory Information

TSCA (Toxic Substances Control Act) Status
: The intentional ingredients of this product is listed.
SARA 302 Components - 40 CFR 355 Appendix A: None
Section 311/312 Hazard Class - 40 CFR 370.2: Immediate(X) - Delayed(X) - Fire( ) - Reactive( ) - Sudden Release of Pressure( )
SARA 313 Components - 40 CFR 372.65: Ammonium Chloride is not reportable. Zinc Chloride is listed.
USA Federal: Ammonium Chloride and Zinc Chloride are designated as hazardous substances under Section 311(b)(2)(A) of the Federal Water Pollution Control Act.
California Proposition 65: None
OSHA Hazards: Listed.
This material contains one or more of the following chemicals required to be identified under SARA Section 302 (40 CFR 355 Appendix A), SARA Section 313 (40 CFR 372.65) and/or CERCLA (40 CFR 302.4).

Ammonium chloride (12125-02-9)

5000 lb final RQ;
2270 kg final RQ

Zinc chloride (7646-85-7)

1000 lb final RQ;
454 kg final RQ

The following components appear on one or more of the following state hazardous substances list of : CA, MA, MN, NJ, PA, RI
Ammonium chloride, CAS Number 12125-02-9
Zinc chloride, CAS Number 7646-85-7

Canada: WHMIS: Class D1B: Materials Causing Immediate and Serious Toxic Effects; Class E: Corrosive
DSL: The components of this material are listed on the DSL Inventory.

The following components are identified under the Canadian Hazardous Products Act Ingredient Disclosure List:
Ammonium chloride, CAS Number 12125-02-9 at Minimum Concentration 1%
Zinc chloride, CAS Number 7646-85-7 at Minimum Concentration 1% 

TSCA: Component & CAS Number

CAN-DSL: Component & CAS Number

Ammonium chloride, 12125-02-9

Ammonium chloride, 12125-02-9

Zinc chloride, 7646-85-7

Zinc chloride, 7646-85-7

Section 16 - Additional Information

EINECS: EC Number: 258-054-8; 238-687-6; 238-688-1; --
C= Corrosive
N = Dangerous for the environment
H302 = Harmful if swallowed.
H315 = Causes skin irritation.
H319 = Causes serious eye irritation.
H411 = Toxic to aquatic life with long lasting effects.
R 22 = Harmful if swallowed.
R 36 = Irritating to eyes.
R 34 = Causes burns.
R 50/53 = Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.

DISCLAIMER: The information and recommendations set forth herein (hereinafter "Information") are presented in good faith and believed correct as of the date hereof. It is compiled from various sources and it is not necessarily all inclusive nor fully adequate in every circumstance. In addition, these suggestions should not be confused with nor followed in violation of applicable laws, regulations, rules or insurance requirements applicable. This 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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Last 21 August, 2017

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