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MSDS 
:
 OPD tablets, 2 mg/tablet
CAS 
:
 95-54-5
SYNONYMS 
:
 
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
|----------------|--------------------------------------|----------|-----------|
| 95-54-5 |o-Phenylenediamine | | 202-430-6 |
|----------------|--------------------------------------|----------|-----------|
| 7757-79-1 |Potassium nitrate | | 231-818-8 |
+----------------+--------------------------------------+----------+-----------+
Text for R-phrases: see Section 16
Hazard Symbols: XN O N
Risk Phrases: 20/21/22 43 8 50/53

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

EMERGENCY OVERVIEW
Harmful by inhalation, in contact with skin and if swallowed. May
cause sensitization by skin contact. Contact with combustible
material may cause fire. Very toxic to aquatic organisms, may cause
long-term adverse effects in the aquatic environment.

Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May be absorbed through the skin in harmful amounts. May cause skin
sensitization, an allergic reaction, which becomes evident upon
re-exposure to this material.
Ingestion:
Harmful if swallowed. The toxicological properties of this substance
have not been fully investigated.
Inhalation:
Harmful if inhaled. The toxicological properties of this substance
have not been fully investigated.
Chronic:
May cause liver and kidney damage. Repeated exposure may cause
damage to the spleen.

**** 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.
Skin:
Get medical aid. Flush skin with plenty of water for at least 15
minutes while removing contaminated clothing and shoes.
Ingestion:
Get medical aid immediately. Wash mouth out with water.
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.
Extinguishing Media:
Use water spray, dry chemical, carbon dioxide, or chemical 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. Keep combustibles (wood, paper, oil, etc.,) away from
spilled material.

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

Handling:
Wash thoroughly after handling. Remove contaminated clothing and
wash before reuse. Use with adequate ventilation. Avoid contact with
eyes, skin, and clothing. Avoid breathing dust.
Storage:
Store in a cool, dry place. Store in a tightly closed container.
Deep freeze (below -20C).

**** SECTION 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION ****

Engineering Controls:
Use process enclosure, local exhaust ventilation, or other
engineering controls to control airborne levels below recommended
exposure limits.
Exposure Limits
CAS# 95-54-5:

Germany: 0.1 mg/m3 TWA
Germany: Skin absorber
Japan: 0.1 mg/m3 OEL
Malaysia: 0.1 mg/m3 TWA
Russia: 0.5 mg/m3 TWA
Spain: 0.1 mg/m3 VLA-ED
CAS# 7757-79-1:

Russia: 5 mg/m3 TWA

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 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: Tablets
Color: Not available.
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: Not available.
Autoignition Temperature: Not available.
Flash Point: Not applicable.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: soluble in water
Specific Gravity/Density:
Molecular Formula: mixture
Molecular Weight: 0

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

Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Dust generation, excess heat.
Incompatibilities with Other Materials:
Strong reducing agents, combustible materials, easily oxidizable
materials.
Hazardous Decomposition Products:
Carbon monoxide, oxides of nitrogen, carbon dioxide, oxides of
potassium.
Hazardous Polymerization: Has not been reported

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

RTECS#:
CAS# 95-54-5: SS7875000
CAS# 7757-79-1: TT3700000
LD50/LC50:
CAS# 95-54-5: Inhalation, mouse: LC50 = >91 mg/m3/4H; Inhalation,
rat: LC50 = 1873 mg/m3; Oral, mouse: LD50 = 366 mg/kg; Oral, rat:
LD50 = 510 mg/kg; Skin, rat: LD50 = >5 gm/kg.
CAS# 7757-79-1: Oral, rabbit: LD50 = 1901 mg/kg; Oral, rat: LD50 =
3750 mg/kg; Oral, rat: LD50 = 3540 mg/kg.
Carcinogenicity:
o-Phenylenediamine -
ACGIH: A3 - Confirmed animal carcinogen with unknown relevance to
California: carcinogen, initial date 5/15/98
Potassium nitrate -
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: Potassium Nitrate Mixture
Hazard Class: 5.1
UN Number: 1486
Packing Group: III
IMO
Shipping Name: Potassium Nitrate Mixture
Hazard Class: 5.1
UN Number: 1486
Packing Group: III
RID/ADR
Shipping Name: Potassium Nitrate Mixture
Hazard Class: 5.1
UN Number: 1486
Packing group:

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

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XN O N
Risk Phrases:
R 20/21/22 Harmful by inhalation, in contact with
skin and if swallowed.
R 43 May cause sensitization by skin contact.
R 50/53 Very toxic to aquatic organisms, may cause
long-term adverse effects in the aquatic environment.
R 8 Contact with combustible material may cause
fire.
Safety Phrases:
S 17 Keep away from combustible material.
S 28A After contact with skin, wash immediately with
plenty of water.
S 36/37 Wear suitable protective clothing and
gloves.
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# 95-54-5: 3
CAS# 7757-79-1: 1
Canada
CAS# 95-54-5 is listed on Canada's DSL List.
CAS# 7757-79-1 is listed on Canada's DSL List.
CAS# 95-54-5 is listed on Canada's Ingredient Disclosure List.
CAS# 7757-79-1 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 95-54-5 is listed on the TSCA inventory.
CAS# 7757-79-1 is listed on the TSCA inventory.

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

Text for R-phrases from Section 2
MSDS Creation Date: 11/02/1998 Revision #2 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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