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MSDS 
:
 Hydrochloric Acid 1 N or 1 M Solution
CAS 
:
 7647-01-0
SYNONYMS 
:
 Muriatic acid.
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
|----------------|--------------------------------------|----------|-----------|
| 7647-01-0 |Hydrochloric acid | 3.65 % | 231-595-7 |
|----------------|--------------------------------------|----------|-----------|
| 7732-18-5 |Water | Balance | 231-791-2 |
+----------------+--------------------------------------+----------+-----------+
Text for R-phrases: see Section 16
Hazard Symbols: C
Risk Phrases: 34 37

**** SECTION 3 - HAZARDS IDENTIFICATION ****

EMERGENCY OVERVIEW
Causes burns. Irritating to respiratory system.Corrosive.

Potential Health Effects
Eye:
Causes severe eye burns. May cause irreversible eye injury.
Skin:
Contact with liquid is corrosive and causes severe burns and
ulceration. The severity of injury depends on the concentration of
the solution and the duration of exposure.
Ingestion:
Causes severe digestive tract burns with abdominal pain, vomiting,
and possible death. May cause corrosion and permanent tissue
destruction of the esophagus and digestive tract.
Inhalation:
Causes severe irritation of upper respiratory tract with coughing,
burns, breathing difficulty, and possible coma. Inhalation of a mist
of this material may cause respiratory tract irritation. Inhalation
may be fatal as a result of spasm, inflammation, edema of the larynx
and bronchi, chemical pneumonitis and pulmonary edema.
Chronic:
Chronic inhalation may cause effects similar to those of acute
inhalation. Repeated exposure may cause erosion of teeth. Repeated
exposure to low concentrations of HCl vapor or mist may cause
bleeding of nose and gums. Chronic bronchitis and gastritis have
also been reported.

**** SECTION 4 - FIRST AID MEASURES ****

Eyes:
Immediately flush eyes with plenty of water for at least 15 minutes,
occasionally lifting the upper and lower eyelids. Get medical aid
immediately.
Skin:
Get medical aid immediately. Immediately flush skin with plenty of
water for at least 15 minutes while removing contaminated clothing
and shoes.
Ingestion:
Do not induce vomiting. If victim is conscious and alert, give 2-4
cupfuls of milk or water. Never give anything by mouth to an
unconscious person. Get medical aid immediately.
Inhalation:
Get medical aid immediately. Remove from exposure and move to fresh
air immediately. If not breathing, give artificial respiration. If
breathing is difficult, give oxygen.
Notes to Physician:

**** SECTION 5 - FIRE FIGHTING MEASURES ****

General Information:
As in any fire, wear a self-contained breathing apparatus in
pressure-demand, MSHA/NIOSH (approved or equivalent), and full
protective gear. During a fire, irritating and highly toxic gases
may be generated by thermal decomposition or combustion. Not
flammable, but reacts with most metals to form flammable hydrogen
gas.
Extinguishing Media:
Substance is noncombustible; use agent most appropriate to
extinguish surrounding fire.

**** SECTION 6 - ACCIDENTAL RELEASE MEASURES ****

General Information: Use proper personal protective equipment as indicated
in Section 8.
Spills/Leaks:
Absorb spill with inert material (e.g. vermiculite, sand or earth),
then place in suitable container. Avoid runoff into storm sewers and
ditches which lead to waterways. Clean up spills immediately,
observing precautions in the Protective Equipment section. Provide
ventilation. Spill may be carefully neutralized with lime (calcium
oxide, CaO).

**** SECTION 7 - HANDLING and STORAGE ****

Handling:
Use only in a well-ventilated area. Avoid breathing dust, vapor,
mist, or gas. Do not get in eyes, on skin, or on clothing. Keep
container tightly closed. Do not ingest or inhale. Use caution when
opening.
Storage:
Store in a cool, dry place. Store in a tightly closed container. Do
not store in metal containers. Store away from alkalies.

**** SECTION 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION ****

Engineering Controls:
Facilities storing or utilizing this material should be equipped
with an eyewash facility and a safety shower. Use adequate general or
local exhaust ventilation to keep airborne concentrations below the
permissible exposure limits.
Exposure Limits
CAS# 7647-01-0:
United Kingdom, OES - TWA: 1 ppm TWA (gas and aerosol mists); 2 m
TWA (gas and aerosol mists)
United Kingdom, OES - STEL: 5 ppm STEL (gas and aerosol mists); 8
mg/m3 STEL (gas and aerosol mists)
United States OSHA: ; 5 ppm Ceiling; 7 mg/m3 Ceiling
Belgium - TWA: 5 ppm VLE; 8 mg/m3 VLE
Belgium - STEL: 10 ppm VLE; 15 mg/m3 VLE
France - VLE: 5 ppm VLE; 7.5 mg/m3 VLE
Germany: 8 mg/m3 TWA
Japan: 5 ppm Ceiling; 7.5 mg/m3 Ceiling
Malaysia: 5 ppm Ceiling; 7.5 mg/m3 Ceiling
Netherlands: 10 ppm STEL; 15 mg/m3 STEL
Netherlands: 5 ppm MAC; 8 mg/m3 MAC
Russia: 5 mg/m3 TWA
Spain: 5 ppm VLA-ED; 7.6 mg/m3 VLA-ED
Spain: 10 ppm VLA-EC; 15 mg/m3 VLA-EC
CAS# 7732-18-5:


Personal Protective Equipment

Eyes:
Wear chemical splash goggles and face shield.
Skin:
Wear appropriate protective gloves to prevent skin
exposure.
Clothing:
Wear appropriate protective clothing to prevent skin
exposure.
Respirators:
Follow the OSHA respirator regulations found in 29
CFR 1910.134 or European Standard EN 149. Always use
a NIOSH or European Standard EN 149 approved
respirator when necessary.

**** SECTION 9 - PHYSICAL AND CHEMICAL PROPERTIES ****

Physical State: Liquid
Color: clear, colorless
Odor: pungent odor
pH: 1.1 (0.1N solution)
Vapor Pressure: 4.0 atm @ 17.8 deg C
Viscosity: Not available.
Boiling Point: 100 deg C
Freezing/Melting Point: 0 deg C
Autoignition Temperature: Not applicable.
Flash Point: Not applicable.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: Not available.
Solubility in water: Soluble in water.
Specific Gravity/Density: 1.0 - 1.2
Molecular Formula: HCl
Molecular Weight: 36.46

**** SECTION 10 - STABILITY AND REACTIVITY ****

Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Excess heat.
Incompatibilities with Other Materials:
Strong oxidizing agents, strong bases, amines, alkali, metals,
copper, copper alloys, aluminum. Acetate, acetic anhydride, alcohols
+ hydrogen cyanide, 2-aminoethanol, ammonium hydroxide, calcium
carbide, calcium phosphide, cesium acetylene carbide, cesium carbide,
chlorosulfonic acid, 1,1-diluorethylene, ethylene diamine,
ethyleneimine, fluorine, lithium silicide, magnesium boride,
mercuric sulfate, oleum, perchloric acid, potassium permanganate,
b-propiolactone, propylene, oxide, rubidium acetylene carbide,
rubidium carbide, silver perchlorate + carbotetrachloride, sodium,
sodium hydroxide, sulfuric acid, uranium phosphate, vinyl acetate.
Substance polymerizes on contact with aldehydes or epoxides.
Hazardous Decomposition Products:
Hydrogen chloride, hydrogen gas.
Hazardous Polymerization: Has not been reported.

**** SECTION 11 - TOXICOLOGICAL INFORMATION ****

RTECS#:
CAS# 7647-01-0: MW4025000 MW4031000
CAS# 7732-18-5: ZC0110000
LD50/LC50:
CAS# 7647-01-0: Inhalation, mouse: LC50 = 1108 ppm/1H; Inhalation,
mouse: LC50 = 20487 mg/m3/5M; Inhalation, mouse: LC50 = 3940
mg/m3/30M; Inhalation, mouse: LC50 = 8300 mg/m3/30M; Inhalation,
rat: LC50 = 3124 ppm/1H; Inhalation, rat: LC50 = 60938 mg/m3/5M;
Inhalation, rat: LC50 = 7004 mg/m3/30M; Inhalation, rat: LC50 =
45000 mg/m3/5M; Inhalation, rat: LC50 = 8300 mg/m3/30M; Oral,
rabbit: LD50 = 900 mg/kg.
CAS# 7732-18-5: Oral, rat: LD50 = >90 mL/kg.
Carcinogenicity:
Hydrochloric acid -
Not listed by ACGIH, IARC, or NTP.
Water -
Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

**** SECTION 12 - ECOLOGICAL INFORMATION ****

Ecotoxicity:
Trout LC100=10 mg/l/24H Shrimp LC50=100-330 ppm Starfish LC50=100-330
mg/l/48H Shore crab LC50=240 mg/l/48H Chronic plant toxicity=100 ppm
Fish-toxicity LC50:862 mg/l

**** SECTION 13 - DISPOSAL CONSIDERATIONS ****

Products which are considered hazardous for supply are classified as Special
Waste and the disposal of such chemicals is covered by regulations which may
vary according to location. Contact a specialist disposal company or the local
waste regulator for advice. Empty containers must be decontaminated before
returning for recycling.

**** SECTION 14 - TRANSPORT INFORMATION ****

IATA
Shipping Name: HYDROCHLORIC ACID
Hazard Class: 8
UN Number: 1789
Packing Group: II
IMO
Shipping Name: HYDROCHLORIC ACID
Hazard Class: 8
UN Number: 1789
Packing Group: II
RID/ADR
Shipping Name: HYDROCHLORIC ACID
Hazard Class: 8
UN Number: 1789
Packing group: II
USA RQ: CAS# 7647-01-0: 5000 lb final RQ; 2270 kg final RQ

**** SECTION 15 - REGULATORY INFORMATION ****

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: C
Risk Phrases:
R 34 Causes burns.
R 37 Irritating to respiratory system.
Safety Phrases:
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
WGK (Water Danger/Protection)
CAS# 7647-01-0: 1
CAS# 7732-18-5: No information available.
Canada
CAS# 7647-01-0 is listed on Canada's DSL List.
CAS# 7732-18-5 is listed on Canada's DSL List.
CAS# 7647-01-0 is listed on Canada's Ingredient Disclosure List.
CAS# 7732-18-5 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 7647-01-0 is listed on the TSCA inventory.
CAS# 7732-18-5 is listed on the TSCA inventory.

**** SECTION 16 - ADDITIONAL INFORMATION ****

Text for R-phrases from Section 2
R 36/37/38 Irritating to eyes, respiratory system and
skin.
MSDS Creation Date: 6/05/1998 Revision #3 Date: 3/18/2003

The information above is believed to be accurate and represents the best
information currently available to us. However, we make no warranty of
merchantability or any other warranty, express or implied, with respect to
such information, and we assume no liability resulting from its use. Users
should make their own investigations to determine the suitability of the
information for their particular purposes. In no way shall the company be
liable for any claims, losses, or damages of any third party or for lost
profits or any special, indirect, incidental, consequential or exemplary
damages, howsoever arising, even if the company has been advised of
the possibility of such damages.
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