Hydrochloric Acid

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Hydrochloric Acid Material Safety Data Sheet


1. Identification of the substance/mixture



Product identifier
Product name : Hydrochloric Acid
Chemical family    : Inorganic Acid


1.2. Relevant identified uses of the substance or mixture and advised against

Identified uses    : Manufacture of Vinyl Chloride, Manufacture of Alkyl Chlorides, General Cleaning, Nitration Reactions, Acidizing (Activation) of Petroleum Wells, Hydrochlorination, Polymerization, Isomerization.



2. Hazard Identification

2.1. Classification of the substance or mixture


Classification (REGULATION (EC) No 1272/2008)
Skin corrosion : category 1B, H314
Specific target organ toxicity – single exposure, Category 3, H335
Corrosive to metals, H290
For the full text of the H-Statements mentioned in this section, see section 16.
Classification (67/548/EEC or 1999/45/EC)
C; R34
Xi; R37
For the full text of the R-phrases mentioned in this section, see section 16.


2.2. Label elements

Labelling (REGULATION (EC) No.1272/2008)
Hazard pictograms
Signal word

Hazard statements
H314 Causes severe skin burns and eye damage.
H335 May cause respiratory irritation.
H290 May be corrosive to metals.

Precautionary statements
P280 Wear protective gloves/eye protection/face protection.
P301 + P330 + P331  IF SWALLOWED: rinse mouth. Do NOT induce vomiting
P309 + P310  IF exposed or if you feel unwell: Immediately call a POISON CENTER or doctor/physician.
P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses,if present and easy to do. Continue rinsing.

Labelling (67/548/EEC or 1999/45/EC)
Symbols(s) : C   Corrosive
R-phrase(s): 34-37 Causes burns. Irritating to respiratory system
S-phrase(s): 26-36/37/39-45 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).


2.3. Other hazards

None known.



3. Composition / information on ingredients


Formula    : HCl
CAS No.    : 7647-01-0
EC No.    : 231-595-7
Molar mass : 36.46 g/mol

Hazardous components (1999/45/EC)

Chemical Name (concentration)
CAS No. 7647-01-0         
EC No. 231-595-7          
Classification C ; R34, Xi ; R37




4. First aid measures


4.1. Description of first aid measures

After inhalation : fresh air. Call in physician
After skin contact : wash off with plenty of water. Swab with polyethylene glycol 400. Immediately remove contaminated clothing. Call a physician immediately.
After contact with eyes : rinse with plenty of water keeping eyelids open, protecting the unaffected eye (at least 10 minutes). Seek medical advice immediately!.
After swallowing : make victim drink water, avoid vomiting (risk of perforation). Call a physician immediately. Do not attempt to neutralise


4.2. Most important symptoms and effects, both acute and delayed: Irritation and corrosion, irritant effects, Cough, Shortness of breath, Circulatory collapse Risk of blindness!.


4.3. Indication of immediate medical attention and special treatment needed: No information available



5. Fire-fighting measures

5.1. Extinguishing media

Suitable extinguishing media: use extinguishing measures that are appropriate to local circumstances and the surrounding environment.
Unsuitable extinguishing media: For this substance/mixture no limitations of extinguishing agents are given.


5.2. Special hazards arising from the substance or mixture

No combustible. Ambient fire may liberate hazardous vapours.
Fire may cause evolution of : Hydrogen chloride gas.


5.3. Advice for fire fighters

Special protective equipment for fire fighters : stay in danger area only with self contained breathing apparatus.       
Prevent skin contact by keeping a safe distance or by wearing protective clothing.


6. Accidental release measures

6.1. Personal precaution, protective equipment and emergency procedures.

Advice for non emergency personnel : Avoid substance contact. Do not breathe vapours, aerosols.
Ensure adequate ventilation. Evacuate the danger area, observe emergency procedures, consult an expert.


6.2. Environmental precautions
Do not empty into drains


6.3. Methods and material for containment and cleaning up


Cover drains. Collect, bind, and pump off spills
Observe possible material restrictions (see sections 7.2 and 10.5)
Take up dry. Dispose of properly. Clean up affected area.


6.4. Reference to the other sections


Indication about waste treatment see section 13.



7. Handling and storage


7.1. Precaution for safe handling
Observe label precautions.


7.2. Conditions for safe storage, including any incompatibilities Requirements for storage areas and containers
No metal containers
Tightly closed.
Storage temperature: no restrictions


7.3. Specific end uses.
Apart from the uses mentioned in section 1.2 no other specific uses are stipulated


8. Exposure controls/personal protection


8.1. Control parameters

8.2. Exposure controls
Engineering measures
Technical measures and appropriate working operations should be given priority over the use of personal protective equipment
See section 7.1.

Individual protection measures
Protective cloting needs to be selected specifically for the workplace, depending on concentration and quantities of  the  hazardous  subtances  handled. The  chemical  resistance  of  the  protective equipment should be enquired at the respective supplier.

Hygiene measures
Immediately change contaminated clothing.Apply preventive skin protection.Wash hand and face after working with subtance.

Eye / face protection
Tightly fitting safety goggles


Hand protection
full contact :
Glove material : Nitrile rubber
Glove thickness :  0.11 mm
Break through time : > 480 min

splash contact :
Glove material : Natural latex
Glove thickness  :  0.6 mm
Break through time : > 120 min

The protective gloves to be used must comply with the specifications of EC Directive 89/686/EEC and the related standard EN374.

Other protective equipment       
Acid-resistant protective clothing

Respiratory protection    
Required when dust are generated.
Recommended filter type : Filter E-(P2)    

Environmental exposure controls
Do not empty into drains.


9. Physical and chemical properties

9.1. Information on basic physical and chemical properties
Form : liquid
Colour : colourless
Odour : stinging
pH (20oC) : < 1
Solidification point : ca. 50 °C
Melting point : -40 °C
Boiling point : 84 °C
Flash point : Not applicable
Evaporation rate : No information available.
Flammability (solid,gas) : No information available.
Lower explosion limit : not applicable
Upper explosion limit : not applicable
Vapour pressure     : 21,3 hPa at 20 °C
Relative vapour density : No information available.
Relative density : 1,16 g/cm3  at 20 °C
Water solubility : soluble at 20 °C
Partition coefficient: n- : No information available.
Decomposition temperature : No information available.
Viscosity, dynamic : 1,9 mPa.s at 15 °C
Explosive properties : No information available
Oxidizing properties : No information available
9.2. Other data

Igniton temperature : not applicable
Corrosion : May be corrosive to metals.



10. Stability and reactivity

10.1. Reactivity
Dangerous reactions are not expected handling the product according to its intented use.


10.2. Chemical stability
The product is chemically stable under standard ambient conditions (room temperature).


10.3. Possibility of hazardous reactions
Alkali metals, conc. Sulfuric acid

Exothermic reaction with:
Amines, potassium permanganate, salts of oxyhalogenic acids, semimetallic oxides,semimetallic hydrogen compounds, Aldehydes, vinylmethyl ether

Risk of ignition or formation of inflammable gases or vapours with : Carbides, lithium silicide, Fluorine, Aluminium, hydrides, formaldehyde, Metals, strong alkalis, Sulphides

10.4. Conditions to avoid
No information available

10.5. Incompatible materials
Metals, metal alloys. Gives off hydrogen by reaction with metals

10.6. Hazardous decomposition products
In the event of fire, see chapter 5.


11. Toxicological information

11.1. Information on toxicological effects
Acute oral toxicity
Symptoms : If ingested, severe burns of the mouth and throat, as well as a danger of perforation of the oesophagus and the stomach.

Acute inhalation toxicity
LC50 rat
Dose 3124 ppm, 1 h(calculated on the pure substance) (RTECS)
Symptoms: mucosal irritations, Cough, Shortness of breath

Skin irritation
Cause skin burns.
Causes burns.

Eye irritation
Causes skin burns.
Risk of serious damage to eyes.
Risk of blindness!
Specific target organ toxicity – single exposure
May cause respiratory irritation.

Specific target organ – repeated exposure
The substance or mixture is not classified as specific target organ toxicant, repeated exposure.

Aspiration hazard
No aspiration toxicity classification.

11.2. Further information

Handle in accordance with good industrial hygiene and safety practice.


12. Ecological information

12.1. Toxicity
No information available

12.2. Persistence and degradability
No information available

12.3. Bioaccumulative potential
No information available

12.4. Mobility in soil
No information available

12.5. Results of PBT and vPvB assessment
PBT/vPvB assessment not available as chemical safety assessment not required/not conducted.

12.6. Other adverse effects.
Additional ecological information
We have no quantitative data concerning the ecological effects of this product.
Biological effects:
Form corrosive mixtures with water even if diluted.
Further information on ecology : Do not allow to run into surface waters, wastewater, or soil.


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.


14. Transport information




EmS F-A  S-B

The transport regulations are cited according to international regulations. Possible national deviations in other countries are not considered.


15. Regulatory information

15.1. Safety, health and environmental regulation/legislation specific for the substance or mixture
EU regulations
Major accident hazard        96/82/EC
Legialation            Directive 96/82/EC does not apply
Occupational restrictions    Take note of Dir 94/33/EC on the protection of young people at work.

15.2. Chemical safety assessment
For this product a chemical safety assessment was not carried out.


16. Other information

Full text of H-Statements referred to under sections 2 and 3.

H290    may be corrosive to metals
H314    Causes severe skin burns and eye damage.
H335    May cause respiratory irritation.
Full text of R-phrases referred to under sections 2 and 3.

R34    Causes burns.
R37    Irritating to respiratory system.

Training advice
Provide adequate information, instruction and training for operators.

The information accumulated here in is believed to be accurate but is not warranted to be whether originating with the company or not.

Health and safety data sheet should be used only as a guide to the safe handling of the product, and is not intended as a technical specification.