1: Chemical Product Identification

Product Name: Ammonium chloride
Catalogue Codes: SLA3415, SLA1069, SLA2575, SLA4078,
SLA1732, SLS3118
CAS#: 12125-02-9
RTECS: BP4550000
TSCA: TSCA 8(b) inventory: Ammonium chloride
CI#: Not applicable.
Synonym: Ammonium Chlorate; Ammonium Chloride;
Ammonium Muricate; Sal Ammonia; Salmiac
Chemical Name: Ammonium Chloride
Chemical Formula: NH4Cl

2. Composition and Information on Ingredients 

Toxicological Data on Ingredients: Ammonium chloride: ORAL (LD50):

3: Hazards Identification

Potential Acute Health Effects:

Hazardous in case of eye contact (irritant). Slightly hazardous in case of skin contact (irritant, sensitizer), of ingestion, of inhalation.

Potential Chronic Health Effects:




DEVELOPMENTAL TOXICITY: Not available. Repeated or prolonged exposure is not known to aggravate medical condition.

4: First Aid Measures

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.

Skin Contact:

In case of contact, immediately flush skin with plenty of water. Cover the irritated skin with an emollient. Remove contaminated clothing and shoes. Cold water may be used. Wash clothing before reuse. Thoroughly clean shoes before reuse. Get medical attention.

Serious Skin Contact:

Wash with a disinfectant soap and cover the contaminated skin with an anti-bacterial cream. Seek immediate medical attention.


If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical attention.

Serious Inhalation: Not available.


Do NOT induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an unconscious person. If large quantities of this material are swallowed, call a physician immediately. Loosen tight clothing such as a collar, tie, belt or waistband.

Serious Ingestion: Not available.

5: Fire and Explosion Data

Flammability of the Product:                                                       Non-flammable.

Auto-Ignition Temperature:                                                        Not applicable.

Flash Points:                                                                                       Not applicable.

Flammable Limits:                                                                            Not applicable.

Products of Combustion:                                                              Not available.

Fire Hazards in Presence of Various Substances:                 Not applicable.

Explosion Hazards in Presence of Various Substances:

Risks of explosion of the product in presence of mechanical impact: Not available.

Risks of explosion of the product in presence of static discharge: Not available.

Fire Fighting Media and Instructions:                                       Not applicable.

Special Remarks on Fire Hazards:

Reaction between Ammonium Chloride and Bromine pentafluoride at ambient or slightly elevated temperature is violent, and ignition often occurs.

Special Remarks on Explosion Hazards:                                   Explosive reaction between bromine trifluoride and ammonium halides.

6: Accidental Release Measures

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 a shovel to put the material into a convenient waste disposal container. Be careful that the product is not present at a concentration level above TLV. Check TLV on the MSDS and with local authorities.

7: Handling and Storage


Do not ingest. Do not breathe dust. Wear suitable protective clothing. In case of insufficient ventilation, wear suitable respiratory equipment. If ingested, seek medical advice immediately and show the container or the label. Avoid contact with skin and eyes. Keep away from incompatibles such as oxidizing agents, acids, alkalis.

Storage: Keep container tightly closed. Keep container in a cool, well-ventilated area.


8: Exposure Controls/Personal Protection

Engineering Controls:

Use process enclosures, local exhaust ventilation, or other engineering controls to keep airborne levels below recommended exposure limits. If user operations generate dust, fume or mist, use ventilation to keep exposure to airborne contaminants below the exposure limit.

Personal Protection:

Splash goggles. Lab coat. Dust respirator. Be sure to use an approved/certified respirator or equivalent. Gloves.

Personal Protection in Case of a Large Spill:

Splash goggles. Full suit. Dust respirator. Boots. Gloves. A self-contained breathing apparatus should be used to avoid inhalation of the product. Suggested protective clothing might not be sufficient; consult a specialist BEFORE handling this product.

Exposure Limits:

TWA: 10 STEL: 20 (mg/m3) from ACGIH (TLV) [United States] Inhalation TWA: 10 STEL: 20 (mg/m3) [United Kingdom (UK)]

Inhalation TWA: 10 STEL: 20 (mg/m3) from NIOSH [United States] Inhalation TWA: 10 STEL: 20 (mg/m3) from OSHA (PEL)

[United States] Consult local authorities for acceptable exposure limits.

9: Physical and Chemical Properties

Physical state and appearance:                                                  Solid. (Solid crystalline powder.)

Odour:                                                                                                 Odourless. (Slight.)

Taste:                                                                                                    Cooling, Saline.

Molecular Weight:                                                                           53.49 g/mole

Colour:                                                                                                 White.

pH (1% soln/water):                                                                        5.5 [Acidic.]

Boiling Point: 520°C (968°F)

Melting Point:                                                                                    Decomposition temperature: 338°C (640.4°F)

Critical Temperature:                                                                     Not available.

Specific Gravity:                                                                                1.53 (Water = 1)

Vapor Pressure:                                                                                Not applicable.

Vapor Density:                                                                                   Not available.

Volatility:                                                                                             Not available.

Odour Threshold:                                                                             Not available.

Water/Oil Dist. Coeff.:                                                                   Not available.

Iconicity (in Water):                                                                         Not available.

Dispersion Properties:                                                                    See solubility in water, methanol.

Solubility:                                                                                            Soluble in cold water, hot water, methanol. Insoluble in diethyl ether, acetone. Almost insoluble in ethyl acetate. Very slightly

soluble in Ethanol; Solubility in Ethanol: 0.6 g/100 ml water at 19 deg. C.

Solubility in Water:                                                                          29.7 g/100ml water at O deg. C

75.8 g/100 ml water at 100 deg. C 37.8 lbs./100 lbs. water at 70 deg. F 28.3% (w/w) in water at 25 deg. C Soluble in liquid ammonia.

10: Stability and Reactivity Data

Stability:                                                                                               The product is stable.

Instability Temperature:                                                               Not available.

Conditions of Instability:                                                               Incompatible materials, moisture.

Incompatibility with various substances:                                Reactive with oxidizing agents, acids, alkalis.

Corrosivity:                                                                                         Extremely corrosive in presence of copper. Corrosive in presence of steel, of stainless steel (304). Slightly corrosive in

presence of aluminium, of stainless steel (316).

Special Remarks on Reactivity:

Incompatible with lead and silver salts. It can react violently with ammonium nitrate and potassium chlorate. Also incompatible with bromine trifluoride, ammonium halides, bromine pentafluoride, alkalis and their carbonates. At fire temperature, ammonium chloride may dissociate into ammonia and hydrogen chloride. Hygroscopic; keep container tightly closed.

Special Remarks on Corrosivity:                                                  Severe corrosive effect on brass and bronze.

Polymerization:                                                                                 Will not occur.

11: Toxicological Information

Routes of Entry: Inhalation. Ingestion.

Toxicity to Animals: Acute oral toxicity (LD50): 1300 mg/kg [Mouse].

Chronic Effects on Humans: Not available.

Other Toxic Effects on Humans: Slightly hazardous in case of skin contact (irritant, sensitizer), of ingestion, of inhalation.

Special Remarks on Toxicity to Animals:

Lowest Published Lethal Dose: LDL [Human Infant] – Route: Oral; Dose: 2000 mg/kg

Special Remarks on Chronic Effects on Humans: May affect genetic material (mutagenic) Animal: passes through the

placental barrier.

Special Remarks on other Toxic Effects on Humans:

Acute Potential Health Effects:

Skin: It can cause skin irritation which is usually mild.

Eyes: Causes moderate eye irritation. It may cause Salt Cataract, increased ocular pressure, and degeneration of the retina

Inhalation: It can cause respiratory tract and mucous membrane irritation which is usually mild.

Ingestion: May be harmful if swallowed. May cause digestive tract irritation with nausea and vomiting, and thirst. May affect behaviour/central nervous system (headache, somnolence, confusion, drowsiness, tremor, convulsions, coma), eyes (Mydriasis), cardiovascular system (bradycardia), respiration (respiratory stimulation, apnoea, hyperventilation, pulmonary enema). May cause serious metabolic acidosis with h y p o k a l e m I a. T r a n s i e n t hyperglycaemia and glycosuria may also occur.

Chronic Potential Health Effects: Skin: Prolonged or repeated contact may cause dermatitis, an allergic reaction. Inhalation: Prolonged or repeated inhalation may affect the kidneys. Ingestion:

Prolonged or repeated ingestion may affect metabolism (anorexia, metabolic acidosis) and urinary system (enlargement of kidneys). Inhalation: Prolonged or repeated inhalation may cause bronchospasm (asthma)

12: Ecological Information

Ecotoxicity: Not available.

BOD5 and COD: Not available.

Products of Biodegradation:

Possibly hazardous short-term degradation products are not likely. However, long term degradation products may arise.

Toxicity of the Products of Biodegradation: The products of degradation are less toxic than the product itself.

Special Remarks on the Products of Biodegradation: Not available.

13: Disposal Considerations

Waste Disposal:

Waste must be disposed of in accordance with federal, state and local environmental control regulations.

14: Transport Information

DOT Classification: Not a DOT controlled material (United States).

Identification: Not available. UNNA: 9085 PG: III

Special Provisions for Transport: Not applicable.

15: Other Regulatory Information

Other Regulations: EINECS: This product is on the European Inventory of Existing Commercial

Protective Equipment:

Gloves. Lab coat. Dust respirator. Be sure to use an approved/certified respirator or equivalent. Splash goggles.

16: Other Information

References: Not Available

Other Special Considerations: Not available.


All information and instructions provided in this Material Safety Data Sheet in respect of the substance is given solely in terms of the provisions of the Occupational Health and Safety Act No 85 of 1993

and Regulations (“the Act”), is based on scientific and technical knowledge as at the date indicated on this MS Material Safety Data Sheet and is presented in good faith to be correct.

The information and instructions provided in this MSDS apply only to the substance in its present form and not to any formulation or mix, in which event it is the sole responsibility of the user of the substance as formulated and/or mixed to investigate and establish any danger which may arise out of its use, wherever such user may be situated.

It is the sole responsibility of the person in receipt of this Material Safety Data Sheet wherever such recipient may be situated, to ensure that the information provided is communicated to and understood by any person who may come in contact with the substance in any place and in any manner whatsoever. If such recipient produces formulations or mixes using the substance, then it is such recipient’s sole responsibility to comply with the provisions of the Act in respect of the provision of the necessary Material Safety Data Sheet, or to comply with any other applicable legislation.