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MSDS 
:
 Arsenic(III) iodide
CAS 
:
 7784-45-4
SYNONYMS 
:
 Arsenic triiodide.
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
| 7784-45-4 |Arsenic(III) iodide | >98 | 232-068-4 |
+----------------+--------------------------------------+----------+-----------+
Hazard Symbols: T N
Risk Phrases: 23/25 50/53

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

EMERGENCY OVERVIEW
Toxic by inhalation and if swallowed. Very toxic to aquatic
organisms, may cause long-term adverse effects in the aquatic
environment.Moisture sensitive.

Potential Health Effects
Eye:
Causes eye irritation.
Skin:
May cause severe skin irritation with possible burns, especially if
skin is wet or moist. Exposure to arsenic compounds may produce
hyperpigmentation of the skin and hyperkeratoses of plantar and
palmar surfaces as well as both primary irritation and sensitization
types.
Ingestion:
May cause gastrointestinal irritation with nausea, vomiting and
diarrhea. Effects may be delayed. May cause garlic smell on the
breath and body.
Inhalation:
Causes respiratory tract irritation.
Chronic:
Prolonged exposure to iodides may produce iodism in sensitive
individuals. Symptoms could include skin rash, running nose and
headache. Inorganic arsenic compounds may cause skin and lung cancers
in humans.

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

Eyes:
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. Flush skin with plenty of water for at
least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
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. Reacts with
most metals in the presence of moisture, liberating extremely
flammable hydrogen gas.
Extinguishing Media:
Use water fog, dry chemical, carbon dioxide, or regular foam.

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

General Information: Use proper personal protective equipment as indicated
in Section 8.
Spills/Leaks:
Vacuum or sweep up material and place into a suitable disposal
container. Wear a self contained breathing apparatus and appropriate
personal protection. (See Exposure Controls, Personal Protection
section). Provide ventilation. Keep unnecessary and unprotected
personnel away. Do not let this chemical enter the environment.

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

Handling:
Wash thoroughly after handling. Wash hands before eating. Remove
contaminated clothing and wash before reuse. Avoid contact with eyes,
skin, and clothing. Avoid ingestion and inhalation. Use only with
adequate ventilation or respiratory protection. Change contaminated
clothing promptly. Do not take working clothes home.
Storage:
Store in a cool, dry place. Store in a tightly closed container.
Store protected from moisture.

**** 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. See 29CFR 1910.1018 for regulatory
requirements pertaining to all occupational exposures to inorganic
arsenic.
Exposure Limits
CAS# 7784-45-4:
United Kingdom, WEL - TWA: (listed as arsenic compounds, n.o.s.):
mg/m3 TWA (except arsine, as As)
United Kingdom, WEL - STEL: (listed as arsenic compounds, n.o.s.)
0.3 mg/m3 STEL (except arsine, as As)
United States OSHA: 0.5 mg/m3 TWA (listed under Arsenic).5 ??g/m3
Action Level (as As); 10 ??g/m3 PEL (as As. Cancer hazard - see 2
CFR 1 910.1018. Arsine excepted) (listed under Arsenic, inorgani
compounds).
Belgium - TWA: (listed as arsenic, inorganic compounds): 0.01 mg/
VLE (as As)
Japan: (listed as arsenic compounds, n.o.s.): 3 ??g/m3 OEL (refere
value, as As)
Malaysia: (listed as arsenic, inorganic compounds): 0.01 mg/m3 TW
(as As, except arsine)
Netherlands: (listed as arsenic, inorganic compounds): 0.1 mg/m3
(as As)
Netherlands: (listed as arsenic, inorganic compounds): 0.050 mg/m
MAC (as As)
Russia: (listed as arsenic, inorganic compounds): 0.04 mg/m3 TWA
As)
Russia: (listed as arsenic, inorganic compounds): 0.01 mg/m3 STEL
As)
Spain: (listed as arsenic compounds, n.o.s.): 0.1 mg/m3 VLA-ED (a
As)

Personal Protective Equipment

Eyes:
Wear appropriate protective eyeglasses or chemical
safety goggles as described by OSHA's eye and face
protection regulations in 29 CFR 1910.133 or European
Standard EN166.
Skin:
Wear appropriate 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: Powder
Color: orange to red
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 403 deg C
Freezing/Melting Point: 146 deg C
Autoignition Temperature: Not available.
Flash Point: Not applicable.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: Soluble.
Specific Gravity/Density: 4.38@13C
Molecular Formula: AsI3
Molecular Weight: 455.62

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

Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Moisture, excess heat.
Incompatibilities with Other Materials:
Strong acids, strong oxidizing agents, halogens, Attacks metals in
the presence of moisture..
Hazardous Decomposition Products:
Hydrogen iodide, iodide ions (I-), arsenic fumes, arsenic oxides.
Hazardous Polymerization: Has not been reported

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

RTECS#:
CAS# 7784-45-4: CG1950000
LD50/LC50:
Not available.
Carcinogenicity:
Arsenic(III) iodide -
California: carcinogen, initial date 2/27/87 (listed as Arsenic, inorg
NTP: Known carcinogen (listed as Arsenic, inorganic compounds).
IARC: Group 1 carcinogen (listed as Arsenic).
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: ARSENIC COMPOUND, SOLID, N.O.S.
Hazard Class: 6.1
UN Number: 1557
Packing Group: II
IMO
Shipping Name: ARSENIC COMPOUND, SOLID, N.O.S.
Hazard Class: 6.1
UN Number: 1557
Packing Group: II
RID/ADR
Shipping Name: ARSENIC COMPOUND, SOLID, N.O.S.
Hazard Class: 6.1
UN Number: 1557
Packing group: II

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

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T N
Risk Phrases:
R 23/25 Toxic by inhalation and if swallowed.
R 50/53 Very toxic to aquatic organisms, may cause
long-term adverse effects in the aquatic environment.
Safety Phrases:
S 20/21 When using do not eat, drink or smoke.
S 28A After contact with skin, wash immediately with
plenty of water.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
S 60 This material and its container must be
disposed of as hazardous waste.
S 61 Avoid release to the environment. Refer to
special instructions/safety data sheets.
WGK (Water Danger/Protection)
CAS# 7784-45-4: No information available.
Canada
CAS# 7784-45-4 is listed on Canada's NDSL List.
CAS# 7784-45-4 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 7784-45-4 is listed on the TSCA inventory.

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

MSDS Creation Date: 1/02/1998 Revision #2 Date: 1/07/2003

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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