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MSDS 
:
 Hydriodic acid >47% (covers range of products)
CAS 
:
 7732-18-5
SYNONYMS 
:
 Hydrogen iodide.
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
|----------------|--------------------------------------|----------|-----------|
| 7732-18-5 |Water | < 53 | 231-791-2 |
|----------------|--------------------------------------|----------|-----------|
| 10034-85-2 |Hydriodic acid | > 47 | 233-109-9 |
+----------------+--------------------------------------+----------+-----------+
Text for R-phrases: see Section 16
Hazard Symbols: C
Risk Phrases: 35

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

EMERGENCY OVERVIEW
Causes severe burns.Light sensitive.Air sensitive.Corrosive.

Potential Health Effects
Eye:
Causes eye burns.
Skin:
Causes skin burns.
Ingestion:
Causes gastrointestinal tract burns.
Inhalation:
May cause irritation of the respiratory tract with burning pain in
the nose and throat, coughing, wheezing, shortness of breath and
pulmonary edema. Causes chemical burns to the respiratory tract.
Inhalation may be fatal as a result of spasm, inflammation, edema of
the larynx and bronchi, chemical pneumonitis and pulmonary edema.
Chronic:
Chronic ingestion of iodides during pregnancy has resulted in fetal
death, severe goiter, and cretinoid appearance of the newborn.
Prolonged exposure to iodides may produce iodism in sensitive
individuals. Symptoms could include skin rash, running nose and
headache.

**** 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:
If inhaled, remove to fresh air. 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. Use water spray to keep fire-exposed containers
cool. May react with metals and lead to the formation of flammable
hydrogen gas. Approach fire from upwind to avoid hazardous vapors
and toxic decomposition products.
Extinguishing Media:
Use extinguishing media most appropriate for the 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.

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

Handling:
Wash thoroughly after handling. Remove contaminated clothing and
wash before reuse. Do not get in eyes, on skin, or on clothing. Keep
container tightly closed. Do not ingest or inhale. Use with adequate
ventilation. Store protected from light. Discard contaminated shoes.
Storage:
Keep container closed when not in use. Store in a cool, dry,
well-ventilated area away from incompatible substances. Corrosives
area. Keep refrigerated. (Store below 4C/39F.) Store protected
from light. Store away from alkalies. Separate from oxidizing
materials.

**** 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.
Exposure Limits
CAS# 7732-18-5:

CAS# 10034-85-2:


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: colorless to yellow brown
Odor: sharp odor, unpleasant odor
pH: ~1.0
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 127 deg C @ 760.0
Freezing/Melting Point: -51 deg C
Autoignition Temperature: Not applicable.
Flash Point: Not applicable.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: soluble
Specific Gravity/Density: 1.7010g/cm3
Molecular Formula: HI
Molecular Weight: 127.91

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

Chemical Stability:
Stable. May discolor on exposure to light.
Conditions to Avoid:
Light, exposure to air, excess heat.
Incompatibilities with Other Materials:
Explodes on contact with ethyl hydroperoxide, ignites on contact with
with magnesium, perchloric acid, potassium + heat, potassium chlorate
+ heat, and oxidants, violent reaction with HCLO4 + Mg, O3, metals,
potentially violent reaction with phosphorous.
Hazardous Decomposition Products:
Hydrogen iodide, iodine.
Hazardous Polymerization: Will not occur.

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

RTECS#:
CAS# 7732-18-5: ZC0110000
CAS# 10034-85-2 unlisted.
LD50/LC50:
CAS# 7732-18-5: Oral, rat: LD50 = >90 mL/kg.
CAS# 10034-85-2.
Carcinogenicity:
Water -
Not listed by ACGIH, IARC, or NTP.
Hydriodic 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: HYDRIODIC ACID
Hazard Class: 8
UN Number: 1787
Packing Group: II
IMO
Shipping Name: HYDRIODIC ACID
Hazard Class: 8
UN Number: 1787
Packing Group: II
RID/ADR
Shipping Name: HYDRIODIC ACID
Hazard Class: 8
UN Number: 1787
Packing group: II

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

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: C
Risk Phrases:
R 35 Causes severe burns.
Safety Phrases:
S 9 Keep container in a well-ventilated place.
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 36/37/39 Wear suitable protective clothing, gloves
and eye/face protection.
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# 7732-18-5: No information available.
CAS# 10034-85-2: 1
Canada
CAS# 7732-18-5 is listed on Canada's DSL List.
CAS# 10034-85-2 is listed on Canada's DSL List.
CAS# 7732-18-5 is not listed on Canada's Ingredient Disclosure List.
CAS# 10034-85-2 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 7732-18-5 is listed on the TSCA inventory.
CAS# 10034-85-2 is listed on the TSCA inventory.

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

Text for R-phrases from Section 2
MSDS Creation Date: 4/07/1999 Revision #2 Date: 9/11/2002

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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