**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****
+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
|----------------|--------------------------------------|----------|-----------|
| 7647-01-0 |Hydrogen chloride | <0.5 | 231-595-7 |
|----------------|--------------------------------------|----------|-----------|
| 7664-93-9 |Sulfuric acid | <3 | 231-639-5 |
|----------------|--------------------------------------|----------|-----------|
| 7790-94-5 |Chlorosulfonic acid | >97 | 232-234-6 |
+----------------+--------------------------------------+----------+-----------+
Text for R-phrases: see Section 16
Hazard Symbols: C
Risk Phrases: 14 35 37
**** SECTION 3 - HAZARDS IDENTIFICATION ****
EMERGENCY OVERVIEW
Reacts violently with water. Causes severe burns. Irritating to
respiratory system.Water-reactive.Hygroscopic (absorbs moisture from
the air).
Potential Health Effects
Eye:
Causes severe eye burns. May cause irreversible eye injury. Vapor
or mist may cause irritation and severe burns. Lachrymator
(substance which increases the flow of tears).
Skin:
May be fatal if absorbed through the skin. Causes skin burns.
Absorption through the skin may cause circulatory failure leading to
kidney failure and liver and heart damage.
Ingestion:
May be fatal if swallowed. May cause severe and permanent damage to
the digestive tract. May cause severe gastrointestinal tract
irritation with nausea, vomiting and possible burns. Causes effects
similar to those of acute skin absorption.
Inhalation:
May be fatal if inhaled. May cause severe irritation of the
respiratory tract with sore throat, coughing, shortness of breath
and delayed lung edema.
Chronic:
Prolonged or repeated inhalation may cause nosebleeds, nasal
congestion, erosion of the teeth, perforation of the nasal septum,
chest pain and bronchitis.
**** SECTION 4 - FIRST AID MEASURES ****
Eyes:
In case of contact, immediately flush eyes with plenty of water for
at least 15 minutes. Get medical aid immediately.
Skin:
In case of contact, immediately flush skin with plenty of water for
at least 15 minutes while removing contaminated clothing and shoes.
Get medical aid immediately. Wash clothing before reuse.
Ingestion:
If swallowed, do NOT induce vomiting. Get medical aid immediately.
If victim is fully conscious, give a cupful of water. Never give
anything by mouth to an unconscious person.
Inhalation:
POISON material. If inhaled, get medical aid immediately. Remove
victim to fresh air. 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. Strong oxidizer. Contact with other material may
cause fire. During a fire, irritating and highly toxic gases may be
generated by thermal decomposition or combustion. Reacts violently
with water. Contact with metals may evolve flammable hydrogen gas.
Containers may explode when heated or if contaminated with water.
Extinguishing Media:
Use carbon dioxide or dry chemical. Do NOT get water inside
containers.
**** SECTION 6 - ACCIDENTAL RELEASE MEASURES ****
General Information: Use proper personal protective equipment as indicated
in Section 8.
Spills/Leaks:
Remove all sources of ignition. Absorb spill using an absorbent,
non-combustible material such as earth, sand, or vermiculite. Do not
use combustible materials such as sawdust. Isolate area and deny
entry. Provide ventilation. Do not expose spill to water. Do not get
water inside containers. Evacuate unnecessary personnel. Approach
spill from upwind.
**** SECTION 7 - HANDLING and STORAGE ****
Handling:
Wash thoroughly after handling. Remove contaminated clothing and
wash before reuse. Do not allow water to get into the container
because of violent reaction. Do not get in eyes, on skin, or on
clothing. Empty containers retain product residue, (liquid and/or
vapor), and can be dangerous. Keep container tightly closed. Avoid
contact with clothing and other combustible materials. Do not allow
contact with water. Do not pressurize, cut, weld, braze, solder,
drill, grind, or expose empty containers to heat, sparks or open
flames. Do not breathe vapor or mist. Use only with adequate
ventilation or respiratory protection.
Storage:
Keep container closed when not in use. Store in a tightly closed
container. Store in a cool, dry, well-ventilated area away from
incompatible substances. Keep away from water. Keep away from acids.
Do not store in metal containers. Storage under a nitrogen blanket
has been recommended. Storage for long periods is not recommended.
Separate from alcohols. Store away from alkalies. Do not store in an
area equipped with emergency water sprinklers.
**** 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
ventilation to keep airborne concentrations low. Use a
corrosion-resistant ventilation system.
Exposure Limits
CAS# 7647-01-0:
United Kingdom, WEL - TWA: 1 ppm TWA (aerosol mist and gas); 2 mg
TWA (aerosol mist and gas)
United Kingdom, WEL - STEL: 5 ppm STEL (aerosol mist and gas); 8
mg/m3 STEL (aerosol mist and gas)
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# 7664-93-9:
United States OSHA: 1 mg/m3 TWA
Belgium - TWA: 1 mg/m3 VLE
Belgium - STEL: 3 mg/m3 VLE
France - VME: 1 mg/m3 VME
France - VLE: 3 mg/m3 VLE
Germany: 0.5 mg/m3 TWA (inhalable fraction, battery manufacture,
metal working in a close
Japan: 1 mg/m3 Ceiling
Malaysia: 1 mg/m3 TWA
Netherlands: 1 mg/m3 MAC
Russia: 1 mg/m3 TWA
Spain: 1 mg/m3 VLA-ED
Spain: 3 mg/m3 VLA-EC
CAS# 7790-94-5:
United Kingdom, WEL - TWA: 1 mg/m3 TWA
United Kingdom, WEL - STEL: 3 mg/m3 STEL
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. Use a
NIOSH/MSHA or European Standard EN 149 approved
respirator if exposure limits are exceeded or if
irritation or other symptoms are experienced.
**** SECTION 9 - PHYSICAL AND CHEMICAL PROPERTIES ****
Physical State: Liquid
Color: clear to slightly cloudy, light yellow - oily
Odor: pungent odor
pH: Not available.
Vapor Pressure: 1 mm Hg @ 32 deg C
Viscosity: 3 cps 15.6 deg C
Boiling Point: 151-152 deg C @ 755 mm Hg
Freezing/Melting Point: -80 deg C
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: >151 deg C
Solubility in water: reacts
Specific Gravity/Density: 1.75 g/cm3 @ 20/4
Molecular Formula: ClSO3H
Molecular Weight: 116.52
**** SECTION 10 - STABILITY AND REACTIVITY ****
Chemical Stability:
Stable under normal temperatures and pressures. Reacts violently
with water to form the toxic gases hydrogen chloride and sulfur
dioxide.
Conditions to Avoid:
Moisture, confined spaces.
Incompatibilities with Other Materials:
Water, metals, strong reducing agents, strong acids, strong bases,
alcohols, phosphorus, silver nitrate, combustible materials.
Hazardous Decomposition Products:
Hydrogen chloride, sulfur dioxide, hydrogen gas, sulfuric acid.
Hazardous Polymerization: Has not been reported
**** SECTION 11 - TOXICOLOGICAL INFORMATION ****
RTECS#:
CAS# 7647-01-0: MW4025000 MW4031000
CAS# 7664-93-9: WS5600000
CAS# 7790-94-5: FX5730000
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# 7664-93-9: Draize test, rabbit, eye: 250 ug Severe; Inhalation,
mouse: LC50 = 320 mg/m3/2H; Inhalation, mouse: LC50 = 320 mg/m3;
Inhalation, rat: LC50 = 510 mg/m3/2H; Inhalation, rat: LC50 = 510
mg/m3; Oral, rat: LD50 = 2140 mg/kg.
CAS# 7790-94-5: Oral, rat: LD50 = 50 mg/kg.
Dermal, guinea pig: LD50 = 0.05-0.10 cc/kg = 175 mg/kg.
rat: LC50 = 4779 mg/m3/4H or 4.8 mg/l/4H (RTECS).
LC50 = 38.5 mg/m3/4H (HSDB).
mg/m3/2H (HSDB).
Carcinogenicity:
Hydrogen chloride -
Not listed by ACGIH, IARC, or NTP.
Sulfuric acid -
ACGIH: A2 - Suspected Human Carcinogen (contained in strong inorg
California: carcinogen, initial date 3/14/03 (listed as Strong inorgan
NTP: Known carcinogen (listed as Strong inorganic acid mists co
IARC: Group 1 carcinogen
Chlorosulfonic acid -
Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.
**** SECTION 12 - ECOLOGICAL INFORMATION ****
**** 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: CHLOROSULPHONIC ACID (forbidden to ship via cargo
or passenger aircraft). (forbidden to ship via cargo or
Hazard Class: 8, 6.1
UN Number: 1754
Packing Group: I
IMO
Shipping Name: CHLOROSULPHONIC ACID
Hazard Class: 8, 6.1
UN Number: 1754
Packing Group: I
RID/ADR
Shipping Name: CHLOROSULPHONIC ACID
Hazard Class: 8, 6.
UN Number: 1754
Packing group: I
USA RQ: CAS# 7647-01-0: 5000 lb final RQ; 2270 kg final RQ
USA RQ: CAS# 7664-93-9: 1000 lb final RQ; 454 kg final RQ
USA RQ: CAS# 7790-94-5: 1000 lb final RQ; 454 kg final RQ
**** SECTION 15 - REGULATORY INFORMATION ****
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: C
Risk Phrases:
R 14 Reacts violently with water.
R 35 Causes severe 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# 7664-93-9: 2
CAS# 7790-94-5: 2
Canada
CAS# 7647-01-0 is listed on Canada's DSL List.
CAS# 7664-93-9 is listed on Canada's DSL List.
CAS# 7790-94-5 is listed on Canada's DSL List.
CAS# 7647-01-0 is listed on Canada's Ingredient Disclosure List.
CAS# 7664-93-9 is listed on Canada's Ingredient Disclosure List.
CAS# 7790-94-5 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 7647-01-0 is listed on the TSCA inventory.
CAS# 7664-93-9 is listed on the TSCA inventory.
CAS# 7790-94-5 is listed on the TSCA inventory.
**** SECTION 16 - ADDITIONAL INFORMATION ****
Text for R-phrases from Section 2
R 35 Causes severe burns.
R 36/37/38 Irritating to eyes, respiratory system and
skin.
MSDS Creation Date: 6/05/1998 Revision #4 Date: 5/19/2003
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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