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MSDS 
:
 Phosphoric acid, 85%
CAS 
:
 7664-38-2
SYNONYMS 
:
 Orthophosphoric acid; White phosphoric acid.
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
|----------------|--------------------------------------|----------|-----------|
| 7664-38-2 |Phosphoric acid | >85 | 231-633-2 |
|----------------|--------------------------------------|----------|-----------|
| 7732-18-5 |Water | <15 | 231-791-2 |
+----------------+--------------------------------------+----------+-----------+
Text for R-phrases: see Section 16
Hazard Symbols: C
Risk Phrases: 34

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

EMERGENCY OVERVIEW
Causes burns.Hygroscopic (absorbs moisture from the air).

Potential Health Effects
Eye:
May cause irreversible eye injury. Contact with liquid is
corrosive to the eyes and causes severe burns.
Skin:
Contact with liquid is corrosive and causes severe burns and
ulceration. The severity of injury depends on the concentration of
the solution and the duration of exposure.
Ingestion:
Causes gastrointestinal tract burns. May cause corrosion and
permanent tissue destruction of the esophagus and digestive tract.
Inhalation:
Causes chemical burns to the respiratory tract. Because its vapor
pressure is negligible, it exists in the air only as a mist or
spray.
Chronic:
Prolonged or repeated skin contact may cause dermatitis.

**** 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:
Persons with pre-existing skin disorders or impaired respiratory or
pulmonary function may be at increased risk to the effects of this
substance. Treat symptomatically and supportively.

**** 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. Use water
spray to keep fire-exposed containers cool. Substance is
noncombustible. Contact with metals may evolve flammable hydrogen
gas.
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. Spill may be carefully neutralized with lime (calcium
oxide, CaO).

**** 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. Discard contaminated shoes.
Storage:
Keep container closed when not in use. Store in a tightly closed
container. Store in a cool, dry, well-ventilated area away from
incompatible substances. Keep away from metals. Do not store in metal
containers. Store protected from moisture. Store away from alkalies.

**** 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# 7664-38-2:
United Kingdom, WEL - TWA: 1 mg/m3 TWA
United Kingdom, WEL - STEL: 2 mg/m3 STEL
United States OSHA: 1 mg/m3 TWA
Belgium - TWA: 1 mg/m3 VLE
Belgium - STEL: 2 mg/m3 VLE
France - VME: 1 mg/m3 VME
France - VLE: 3 mg/m3 VLE
Germany: 1 mg/m3 TWA
Japan: 1 mg/m3 OEL
Malaysia: 1 mg/m3 TWA
Netherlands: 0.5 ppm STEL; 2 mg/m3 STEL
Netherlands: 0.2 ppm MAC; 1 mg/m3 MAC
Spain: 1 mg/m3 VLA-ED
Spain: 2 mg/m3 VLA-EC
CAS# 7732-18-5:


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:
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: Clear liquid
Color: APHA: 10 max - colorless viscous
Odor: odorless
pH: 1.5 (0.1N aq. soln)
Vapor Pressure: 0.03 mm Hg @ 20 deg C
Viscosity: 3.86 mPa.s
Boiling Point: 158 deg C @ 760 mm Hg
Freezing/Melting Point: 21 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: Miscible.
Specific Gravity/Density: 1.685 g/cm3
Molecular Formula: H3O4P
Molecular Weight: 98.00

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

Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Excess heat, exposure to moist air or water.
Incompatibilities with Other Materials:
Metals, strong oxidizing agents, strong bases, amines, ammonia,
sulfuric acid, nitromethane, sodium tetrahydroborate, A 5% solution
of H3PO4 is DOT corrosive to both aluminum & carbon steel (results:
272.1 mils/yr & 319.6 mils/yr, respectively). A 4% H3PO4 solution
corrodes aluminum at 209.1 mils/yr & carbon steel at 240.9 mils/yr..
Hazardous Decomposition Products:
Oxides of phosphorus.
Hazardous Polymerization: Will not occur.

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

RTECS#:
CAS# 7664-38-2: TB6300000
CAS# 7732-18-5: ZC0110000
LD50/LC50:
CAS# 7664-38-2: Draize test, rabbit, eye: 119 mg Severe; Draize
test, rabbit, skin: 595 mg/24H Severe; Inhalation, mouse: LC50 =
25.5 mg/m3; Inhalation, rat: LC50 = >850 mg/m3/1H; Inhalation, rat:
LC50 = 25.5 mg/m3; Oral, mouse: LD50 = 1.25 gm/kg; Oral, rat: LD50 =
1530 mg/kg; Oral, rat: LD50 = 1.25 gm/kg; Skin, rabbit: LD50 = 2740
mg/kg.
CAS# 7732-18-5: Oral, rat: LD50 = >90 mL/kg.
Carcinogenicity:
Phosphoric acid -
Not listed by ACGIH, IARC, or NTP.
Water -
Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

**** SECTION 12 - ECOLOGICAL INFORMATION ****

Ecotoxicity:
Fish: Mosquito Fish: LC50 = 138 mg/L; 96 Hr; Unspecified
Other
Dangerous to aquatic life in high concentrations.

**** SECTION 13 - DISPOSAL CONSIDERATIONS ****

Dispose of in a manner consistent with federal, state, and local regulations.

**** SECTION 14 - TRANSPORT INFORMATION ****

IATA
Shipping Name: PHOSPHORIC ACID
Hazard Class: 8
UN Number: 1805
Packing Group: III
IMO
Shipping Name: PHOSPHORIC ACID, LIQUID or SOLID
Hazard Class: 8
UN Number: 1805
Packing Group: III
RID/ADR
Shipping Name: PHOSPHORIC ACID
Hazard Class: 8
UN Number: 1805
Packing group: III
USA RQ: CAS# 7664-38-2: 5000 lb final RQ; 2270 kg final RQ

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

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: C
Risk Phrases:
R 34 Causes burns.
Safety Phrases:
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
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# 7664-38-2: 1
CAS# 7732-18-5: No information available.
Canada
CAS# 7664-38-2 is listed on Canada's DSL List.
CAS# 7732-18-5 is listed on Canada's DSL List.
CAS# 7664-38-2 is listed on Canada's Ingredient Disclosure List.
CAS# 7732-18-5 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 7664-38-2 is listed on the TSCA inventory.
CAS# 7732-18-5 is listed on the TSCA inventory.

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

Text for R-phrases from Section 2
MSDS Creation Date: 7/06/1999 Revision #6 Date: 9/16/2004

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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