**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****
+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
| 7790-94-5 |Chlorosulfonic acid | 97% | 232-234-6 |
+----------------+--------------------------------------+----------+-----------+
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.Hygroscopic (absorbs moisture from the air).
Potential Health Effects
Eye:
Causes severe eye burns. Lachrymator (substance which increases
the flow of tears).
Skin:
Causes skin burns.
Ingestion:
Causes gastrointestinal tract burns.
Inhalation:
Causes chemical burns to the respiratory tract.
Chronic:
Not available.
**** 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. Get medical aid immediately.
Inhalation:
Remove from exposure and move to fresh air immediately. If not
breathing, give artificial respiration. If breathing is difficult,
give oxygen. Get medical aid.
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. Containers may explode in the heat of a fire. Reacts
violently with water.
Extinguishing Media:
DO NOT USE WATER! Use dry chemical.
**** 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.
**** SECTION 7 - HANDLING and STORAGE ****
Handling:
Do not allow water to get into the container because of violent
reaction. Do not breathe dust, vapor, mist, or gas. Do not get in
eyes, on skin, or on clothing. Use only in a chemical fume hood.
Keep from contact with clothing and other combustible materials.
Storage:
Do not store near combustible materials. Store in a cool, dry place.
Store in a tightly closed container. Keep under a nitrogen blanket.
Corrosives area.
**** SECTION 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION ****
Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits
CAS# 7790-94-5:
United Kingdom, WEL - TWA: 1 mg/m3 TWA
United Kingdom, WEL - STEL: 3 mg/m3 STEL
Personal Protective Equipment
Eyes:
Not available.
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 slight yellow - slightly oily
Odor: unpleasant odor
pH: Not available.
Vapor Pressure: Not available.
Viscosity: 3 cP 16 deg C
Boiling Point: 151 - 152 deg C @ 755.00mm Hg
Freezing/Melting Point: -80 deg C
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: 3.30 vol %
Explosion Limits, upper: 37.70 vol %
Decomposition Temperature: >151 deg C
Solubility in water: reacts with water forming sulfuric and
Specific Gravity/Density: 1.7530g/cm3
Molecular Formula: ClSO3H
Molecular Weight: 116.52
**** SECTION 10 - STABILITY AND REACTIVITY ****
Chemical Stability:
Not available.
Conditions to Avoid:
Incompatible materials, combustible materials, exposure to moist air
or water.
Incompatibilities with Other Materials:
Acids, bases, alcohols, amines, finely powdered metals, plastics,
rubber.
Hazardous Decomposition Products:
Hydrogen chloride, oxides of sulfur.
Hazardous Polymerization: Has not been reported
**** SECTION 11 - TOXICOLOGICAL INFORMATION ****
RTECS#:
CAS# 7790-94-5: FX5730000
LD50/LC50:
CAS# 7790-94-5: Oral, rat: LD50 = 50 mg/kg.
Carcinogenicity:
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 ****
Dispose of in a manner consistent with federal, state, and local regulations.
**** SECTION 14 - TRANSPORT INFORMATION ****
IATA
Shipping Name: CHLOROSULPHONIC ACID
Hazard Class: 8
UN Number: 1754
Packing Group:
IMO
Shipping Name: CHLOROSULPHONIC ACID
Hazard Class: 8
UN Number: 1754
Packing Group: I
RID/ADR
Shipping Name: CHLOROSULPHONIC ACID
Hazard Class: 8
UN Number: 1754
Packing group: I
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# 7790-94-5: 2
Canada
CAS# 7790-94-5 is listed on Canada's DSL List.
CAS# 7790-94-5 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 7790-94-5 is listed on the TSCA inventory.
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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