**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****
+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
| 7784-34-1 |Arsenic(III) chloride | >98 | 232-059-5 |
+----------------+--------------------------------------+----------+-----------+
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.Light sensitive.Moisture sensitive.
Potential Health Effects
Eye:
May cause eye irritation. May cause chemical conjunctivitis and
corneal damage.
Skin:
May cause skin irritation. 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 be fatal if swallowed. May cause irritation of the digestive
tract. Ingestion of arsenical compounds may cause burning of the
lips, throat constriction, swallowing difficulties, severe abdominal
pain, severe nausea, projectile vomiting, and profuse diarrhea.
Ingestion of arsenic compounds can produce convulsions, coma, and
possibly death within 24 hours.
Inhalation:
Causes respiratory tract irritation. Inhalation of arsenic compounds
may lead to irritation of the respiratory tract and to possible nasal
perforation. Long-term exposure to arsenic compounds may produce
impairment of peripheral circulation.
Chronic:
May cause liver and kidney damage. Chronic exposure to arsenical
dust may cause shortness of breath, nausea, chest pains, and garlic
odor. Inorganic arsenic compounds may cause skin and lung cancers in
humans.
**** 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:
Never give anything by mouth to an unconscious person. SPEED IS
ESSENTIAL. A DOCTOR MUST BE NOTIFIED AT ONCE. Do NOT induce
vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls
of milk or water.
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. During a fire, irritating and highly toxic gases
may be generated by thermal decomposition or combustion. Containers
may explode when heated. Reacts with most metals in the presence of
moisture, liberating extremely flammable hydrogen gas. Use of water
will produce irritating and toxic vapors of arsenic trioxide and
hydrogen chloride. Hydrochloric acid solutions react with most
metals, forming flammable hydrogen gas.
Extinguishing Media:
Do NOT use water directly on fire. Use foam, dry chemical, or carbon
dioxide. Do NOT get water inside containers. Use of water will
produce irritating and toxic vapors of arsenic trioxide and hydrogen
chloride.
**** 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. Clean up spills immediately,
observing precautions in the Protective Equipment section. Wear a
self contained breathing apparatus and appropriate personal
protection. (See Exposure Controls, Personal Protection section).
Provide ventilation. Do not get water inside containers. Evacuate
unnecessary personnel. Do not let this chemical enter the
environment. Use of water will produce irritating and toxic vapors of
arsenic trioxide and hydrogen chloride.
**** SECTION 7 - HANDLING and STORAGE ****
Handling:
Wash thoroughly after handling. Wash hands before eating. Remove
contaminated clothing and wash before reuse. Do not get in eyes, on
skin, or on clothing. Keep container tightly closed. Do not breathe
vapor or mist. Use only with adequate ventilation or respiratory
protection. Systems and equipment must be scrupulously dry. Change
contaminated clothing promptly. Do not take working clothes home.
Storage:
Store in a tightly closed container. Store in a cool, dry,
well-ventilated area away from incompatible substances. Poison room
locked. Store protected from moisture. Store protected from light.
**** 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# 7784-34-1:
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 chemical splash goggles.
Skin:
Wear appropriate protective gloves to prevent skin
exposure.
Clothing:
Wear appropriate protective clothing to prevent skin
exposure.
Respirators:
A respiratory protection program that meets OSHA's 29
CFR 1910.134 and ANSI Z88.2 requirements or European
Standard EN 149 must be followed whenever workplace
conditions warrant respirator use.
**** SECTION 9 - PHYSICAL AND CHEMICAL PROPERTIES ****
Physical State: Liquid
Color: colorless, oily
Odor: unpleasant odor
pH: Not available.
Vapor Pressure: 10 mm Hg @ 23.5 deg C
Viscosity: Not available.
Boiling Point: 130.1 deg C @ 760 mm Hg
Freezing/Melting Point: -8.5 deg C
Autoignition Temperature: Not available.
Flash Point: Noncombustible
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: Decomposes.
Specific Gravity/Density: 2.1600 g/cm3
Molecular Formula: AsCl3
Molecular Weight: 181.28
**** SECTION 10 - STABILITY AND REACTIVITY ****
Chemical Stability:
Stable under normal temperatures and pressures. Decomposes on
exposure to light. Fumes in moist air.
Conditions to Avoid:
Light, moisture, excess heat.
Incompatibilities with Other Materials:
Strong oxidizing agents, strong acids, ammonia, halogens, Solutions
attack some metals..
Hazardous Decomposition Products:
Hydrogen chloride, oxides of arsenic.
Hazardous Polymerization: Will not occur.
**** SECTION 11 - TOXICOLOGICAL INFORMATION ****
RTECS#:
CAS# 7784-34-1: CG1750000
LD50/LC50:
CAS# 7784-34-1: Oral, rat: LD50 = 48 mg/kg; Oral, rat: LD50 = 48
mg/kg; Skin, rat: LD50 = 80 mg/kg.
Inhalation LCLo mouse: 338 ppm/10M.
mg/m3/20M.
Carcinogenicity:
Arsenic(III) chloride -
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 TRICHLORIDE
Hazard Class: 6.1
UN Number: 1560
Packing Group: I
IMO
Shipping Name: ARSENIC TRICHLORIDE
Hazard Class: 6.1
UN Number: 1560
Packing Group: I
RID/ADR
Shipping Name: ARSENIC TRICHLORIDE
Hazard Class: 6.1
UN Number: 1560
Packing group: I
USA RQ: CAS# 7784-34-1: 1 lb final RQ; 0.454 kg final RQ
**** 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# 7784-34-1: No information available.
Canada
CAS# 7784-34-1 is listed on Canada's DSL List.
CAS# 7784-34-1 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 7784-34-1 is listed on the TSCA inventory.
**** SECTION 16 - ADDITIONAL INFORMATION ****
MSDS Creation Date: 9/02/1997 Revision #6 Date: 1/06/2003
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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