**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****
+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
|----------------|--------------------------------------|----------|-----------|
| 1310-73-2 |Sodium hydroxide | 12.0 | 215-185-5 |
|----------------|--------------------------------------|----------|-----------|
| 7681-11-0 |Potassium iodide | 3.5 | 231-659-4 |
|----------------|--------------------------------------|----------|-----------|
| 7732-18-5 |Water | Balance | 231-791-2 |
|----------------|--------------------------------------|----------|-----------|
| 7774-29-0 |Mercuric iodide | 1.4 | 231-873-8 |
+----------------+--------------------------------------+----------+-----------+
Text for R-phrases: see Section 16
Hazard Symbols: T C
Risk Phrases: 25 33 35 48/20/21 52/53
**** SECTION 3 - HAZARDS IDENTIFICATION ****
EMERGENCY OVERVIEW
Toxic if swallowed. Danger of cumulative effects. Causes severe
burns. Harmful : danger of serious damage to health by prolonged
exposure through inhalation and in contact with skin. Harmful to
aquatic organisms, may cause long-term adverse effects in the
aquatic environment.Corrosive.Toxic.
Potential Health Effects
Eye:
Causes severe eye burns. May cause irreversible eye injury.
Contact may cause ulceration of the conjunctiva and cornea. Eye
damage may be delayed.
Skin:
Harmful if absorbed through the skin. Causes skin burns. May cause
deep, penetrating ulcers of the skin.
Ingestion:
Harmful if swallowed. May cause kidney damage. May cause circulatory
system failure. May cause perforation of the digestive tract. Causes
severe digestive tract burns with abdominal pain, vomiting, and
possible death.
Inhalation:
Irritation may lead to chemical pneumonitis and pulmonary edema.
Causes severe irritation of upper respiratory tract with coughing,
burns, breathing difficulty, and possible coma.
Chronic:
Prolonged or repeated skin contact may cause dermatitis. Prolonged
or repeated eye contact may cause conjunctivitis. Prolonged or
repeated exposure may cause adverse reproductive effects. Chronic
exposure can lead to iodism characterized by salivation, nasal
discharge, sneezing, conjunctivitis, fever, laryngitis, bronchitis,
stomatitis, and skin rashes. May cause fetal effects.
**** 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. Discard contaminated clothing in a manner which limits
further exposure. Destroy contaminated shoes.
Ingestion:
Do not induce vomiting. 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 breathing is difficult, give oxygen. If
breathing has ceased apply artificial respiration using oxygen and a
suitable mechanical device such as a bag and a mask.
Notes to Physician:
Antidote:
None reported.
**** SECTION 5 - FIRE FIGHTING MEASURES ****
General Information:
Wear appropriate protective clothing to prevent contact with skin
and eyes. Wear a self-contained breathing apparatus (SCBA) to
prevent contact with thermal decomposition products.
Extinguishing Media:
For small fires, use dry chemical, carbon dioxide, water spray or
alcohol-resistant foam.
**** 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. Provide
ventilation.
**** SECTION 7 - HANDLING and STORAGE ****
Handling:
Wash thoroughly after handling. Wash hands before eating. Use only
in a well-ventilated area. Do not get in eyes, on skin, or on
clothing. Keep container tightly closed. Do not ingest or inhale.
Storage:
Store in a tightly closed container. Store in a cool, dry,
well-ventilated area away from incompatible substances. Keep away
from strong acids. Keep away from metals. Keep away from flammable
liquids.
**** 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.
Exposure Limits
CAS# 1310-73-2:
United Kingdom, WEL - STEL: 2 mg/m3 STEL
United States OSHA: 2 mg/m3 TWA
Belgium - TWA: 2 mg/m3 VLE
France - VME: 2 mg/m3 VME
Germany: 2 mg/m3 TWA (inhalable fraction)
Japan: 2 mg/m3 Ceiling
Malaysia: 2 mg/m3 Ceiling
Spain: 2 mg/m3 VLA-EC
CAS# 7681-11-0:
CAS# 7732-18-5:
CAS# 7774-29-0:
United States OSHA: 0.1 mg/m3 Ceiling (listed under Mercury, ary
and inorganic compounds).
Belgium - TWA: (listed as mercury, aryl and inorganic compounds):
mg/m3 VLE (as Hg)
France - VME: (listed as mercury, aryl and inorganic compounds):
mg/m3 VME (as Hg)
Germany: (listed as mercury, aryl and inorganic compounds): 0.1 m
VME (as Hg)
Germany: (listed as mercury inorganic compounds): Skin absorber
Malaysia: (listed as mercury, aryl and inorganic compounds): 0.1
mg/m3 TWA (as Hg)
Netherlands: (listed as mercury inorganic compounds): 0.15 mg/m3
Netherlands: (listed as mercury inorganic compounds): 0.05 mg/m3
Russia: (listed as mercury inorganic compounds): 0.2 mg/m3 TWA (a
Hg)
Russia: (listed as mercury inorganic compounds): 0.05 mg/m3 STEL
Hg)
Spain: (listed as mercury, aryl and inorganic compounds): 0.1 mg/
VLA-ED (as Hg)
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:
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. 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: yellow
Odor: none reported
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: Not available.
Autoignition Temperature: Not applicable.
Flash Point: Not applicable.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: Not available.
Solubility in water: Completely soluble in water.
Specific Gravity/Density: 1.1-1.3
Molecular Formula: Mixture
Molecular Weight: 0
**** SECTION 10 - STABILITY AND REACTIVITY ****
Chemical Stability:
Stable.
Conditions to Avoid:
High temperatures, incompatible materials, light.
Incompatibilities with Other Materials:
Potassium hydroxide reacts with chlorine dioxide, nitrobenzene,
nitromethane, nitrogen trichloride, peroxidized tetrahydrofuran,
2,4,6-trinitrotoluene, bromoform+ crown ethers, acids alcohols,
sugars, germanium cyclopentadiene, maleic dicarbide. Corrosive to
metals such as aluminum, tin, and zinc causing formation of
flammable hydrogen gas. Mercuric iodide is incompatible with strong
oxidizing agents, chlorine trifluoride, potassium, sodium and light.
Potassium iodide is incompatible with salts of alkaloids, chloral
hydrate, mercurous chloride, potassium chlorate, metallic salts,
tartaric and other acids, bromine trifluoride, and fluorine
perchlorate.
Hazardous Decomposition Products:
Hydrogen iodide, mercury/mercury oxides, oxides of potassium.
Hazardous Polymerization: Has not been reported.
**** SECTION 11 - TOXICOLOGICAL INFORMATION ****
RTECS#:
CAS# 1310-73-2: WB4900000
CAS# 7681-11-0: TT2975000
CAS# 7732-18-5: ZC0110000
CAS# 7774-29-0: OW5250000
LD50/LC50:
CAS# 1310-73-2: Draize test, rabbit, eye: 400 ug Mild; Draize test,
rabbit, eye: 1% Severe; Draize test, rabbit, eye: 50 ug/24H Severe;
Draize test, rabbit, eye: 1 mg/24H Severe; Draize test, rabbit,
skin: 500 mg/24H Severe.
CAS# 7681-11-0.
CAS# 7732-18-5: Oral, rat: LD50 = >90 mL/kg.
CAS# 7774-29-0: Oral, mouse: LD50 = 17 mg/kg; Oral, rat: LD50 = 18
mg/kg; Skin, rat: LD50 = 75 mg/kg.
Not available.
Carcinogenicity:
Sodium hydroxide -
Not listed by ACGIH, IARC, or NTP.
Potassium iodide -
Not listed by ACGIH, IARC, or NTP.
Water -
Not listed by ACGIH, IARC, or NTP.
Mercuric iodide -
Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.
**** SECTION 12 - ECOLOGICAL INFORMATION ****
Ecotoxicity:
Cas# 1310-73-2: TLm (mosquito fish) 125 ppm/96 Hr. (fresh water)
TLm
(Bluegill) 99 mg/L/48 Hr. (tap water)
Cas# 7774-29-0: CC50 Plumaria
elegans(red alga, sporiing) 156 ug/L 18Hr.; unspecified bioassay.
**** 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: CORROSIVE LIQUID, TOXIC NOS(Sodium hydroxide solut
ion)
Hazard Class: 8(6.1)
UN Number: 2922
Packing Group: II
IMO
Shipping Name: CORROSIVE LIQUID, TOXIC NOS(Sodium hydroxide solut
ion)
Hazard Class: 8(6.1)
UN Number: 2922
Packing Group: II
RID/ADR
Shipping Name: CORROSIVE LIQUID, TOXIC NOS(Sodium hydroxide solut
ion)
Hazard Class: 8
UN Number: 2922
Packing group:
USA RQ: CAS# 1310-73-2: 1000 lb final RQ; 454 kg final RQ
**** SECTION 15 - REGULATORY INFORMATION ****
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T C
Risk Phrases:
R 25 Toxic if swallowed.
R 33 Danger of cumulative effects.
R 35 Causes severe burns.
R 48/20/21 Harmful : danger of serious damage to
health by prolonged exposure through inhalation and in
contact with skin.
R 52/53 Harmful to aquatic organisms, may cause
long-term adverse effects in the aquatic environment.
Safety Phrases:
S 28 After contact with skin, wash immediately
with...
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# 1310-73-2: 1
CAS# 7681-11-0: 1
CAS# 7732-18-5: No information available.
CAS# 7774-29-0: 3
Canada
CAS# 1310-73-2 is listed on Canada's DSL List.
CAS# 7681-11-0 is listed on Canada's DSL List.
CAS# 7732-18-5 is listed on Canada's DSL List.
CAS# 7774-29-0 is listed on Canada's DSL List.
CAS# 1310-73-2 is listed on Canada's Ingredient Disclosure List.
CAS# 7681-11-0 is listed on Canada's Ingredient Disclosure List.
CAS# 7732-18-5 is not listed on Canada's Ingredient Disclosure List.
CAS# 7774-29-0 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 1310-73-2 is listed on the TSCA inventory.
CAS# 7681-11-0 is listed on the TSCA inventory.
CAS# 7732-18-5 is listed on the TSCA inventory.
CAS# 7774-29-0 is listed on the TSCA inventory.
**** SECTION 16 - ADDITIONAL INFORMATION ****
Text for R-phrases from Section 2
R 35 Causes severe burns.
MSDS Creation Date: 1/27/1999 Revision #6 Date: 3/18/2003
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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