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MSDS 
:
 Sulfuric Acid/Orthophosphoric Acid Mixture
CAS 
:
 7664-38-2
SYNONYMS 
:
 None known.
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
|----------------|--------------------------------------|----------|-----------|
| 7664-38-2 |Phosphoric acid | 17.5 | 231-633-2 |
|----------------|--------------------------------------|----------|-----------|
| 7664-93-9 |Sulfuric acid | 74.0 | 231-639-5 |
+----------------+--------------------------------------+----------+-----------+
Text for R-phrases: see Section 16
Hazard Symbols: C
Risk Phrases: 35

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

EMERGENCY OVERVIEW
Causes severe burns.Corrosive.

Potential Health Effects
Eye:
Causes severe eye burns. May cause irreversible eye injury. May
cause chemical conjunctivitis and corneal damage.
Skin:
Causes skin burns. May cause skin rash (in milder cases), and cold
and clammy skin with cyanosis or pale color.
Ingestion:
May cause severe and permanent damage to the digestive tract. Causes
gastrointestinal tract burns. May cause perforation of the digestive
tract. May cause systemic effects.
Inhalation:
Harmful if inhaled. May cause severe irritation of the respiratory
tract with sore throat, coughing, shortness of breath and delayed
lung edema. Causes chemical burns to the respiratory tract.
Aspiration may lead to pulmonary edema. May cause systemic effects.
Chronic:
Prolonged or repeated inhalation may cause nosebleeds, nasal
congestion, erosion of the teeth, perforation of the nasal septum,
chest pain and bronchitis. Prolonged or repeated eye contact may
cause conjunctivitis. Effects may be delayed.

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

Eyes:
Get medical aid immediately. Do NOT allow victim to rub eyes or keep
eyes closed. Extensive irrigation with water is required (at least 30
minutes).
Skin:
Get medical aid immediately. Immediately flush skin with plenty of
water for at least 15 minutes while removing contaminated clothing
and shoes. Wash clothing before reuse. SPEEDY ACTION IS CRITICAL!
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 not breathing, give artificial respiration. If
breathing is difficult, give oxygen. Do NOT use mouth-to-mouth
resuscitation. If breathing has ceased apply artificial respiration
using oxygen and a suitable mechanical device such as a bag and a
mask.
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. 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. Contact with water can
cause violent liberation of heat and splattering of the material.
Extinguishing Media:
Do NOT use water directly on fire. Use water spray to cool
fire-exposed containers. Use dry chemical to fight fire.

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

General Information: Use proper personal protective equipment as indicated
in Section 8.
Spills/Leaks:
Avoid runoff into storm sewers and ditches which lead to waterways.
Clean up spills immediately, observing precautions in the Protective
Equipment section. Cover with sand, dry lime or soda ash and place in
a closed container for disposal. Provide ventilation.

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

Handling:
Wash thoroughly after handling. Remove contaminated clothing and
wash before reuse. Use only in a well-ventilated area. Do not breathe
dust, vapor, mist, or gas. Do not get in eyes, on skin, or on
clothing. Keep container tightly closed. Do not ingest or inhale. Do
not allow contact with water. Use only in a chemical fume hood.
Discard contaminated shoes.
Storage:
Do not store near combustible materials. Keep container closed when
not in use. Store in a dry area. Store in a cool, dry,
well-ventilated area away from incompatible substances. Corrosives
area. Do not store near alkaline substances.

**** 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. Facilities storing or utilizing this material should
be equipped with an eyewash facility and a safety shower.
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# 7664-93-9:
United States OSHA: 1 mg/m3 TWA
Belgium - TWA: 1 mg/m3 VLE
Belgium - STEL: 3 mg/m3 VLE
France - VME: 1 mg/m3 VME
France - VLE: 3 mg/m3 VLE
Germany: 0.5 mg/m3 TWA (inhalable fraction, battery manufacture,
metal working in a close
Japan: 1 mg/m3 Ceiling
Malaysia: 1 mg/m3 TWA
Netherlands: 1 mg/m3 MAC
Russia: 1 mg/m3 TWA
Spain: 1 mg/m3 VLA-ED
Spain: 3 mg/m3 VLA-EC

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: Clear liquid
Color: clear, colorless
Odor: rotten egg-like
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:
Solubility in water: Reacts.
Specific Gravity/Density:
Molecular Formula: Solution
Molecular Weight: 0

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

Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, contact with water, metals, excess heat,
combustible materials, organic materials, oxidizers, amines, bases.
Incompatibilities with Other Materials:
Acetic Anhydride, Acetone Cyanhydrin, Acetone + Nitric Acid, Acetone
+ Potassium Dichromate, Acetonitrile, Acrolein, Acrylonitrile,
Alcohols + Hydrogen Peroxide, Allyl Alcohol, Allyl Chloride,
2-Aminoethanol, Ammonium Hydroxide, Ammonium Triperchromate,
Aniline, Bromates + Metals, Bromine Pentafluoride, n-Butyraldehyde,
Carbides, Cesium Acetylene Carbide, Chlorates, Chlorine Trifluoride,
Chlorosulfonic Acid, Cuprous Nitride, Diisobutylene,
Epichlorohydrin, Ethylene Cyanohydrin, Ethylene Diamine, Ethylene
Glycol, Ethylenimine, Fulminates, Other Acids, Iodine Heptafluoride,
Metals, Isoprene, Lithium Silicide, Mercuric Nitride, Mesityl Oxide,
P-Nitrotoluene, Pentasilver Trihydroxydiaminophosphate, Perchlorates,
Permanganates + Benzene, Phosphorus, Phosphorus Isocyanate, Picrates,
Potassium t-Butoxide, Potassium Chlorate, Permanganates,
beta-Propiolactone, Propylene Oxide, Pyridine, Rubidium Acetylene
Carbide and Sodium.
Hazardous Decomposition Products:
Oxides of sulfur.
Hazardous Polymerization: Has not been reported

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

RTECS#:
CAS# 7664-38-2: TB6300000
CAS# 7664-93-9: WS5600000
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# 7664-93-9: Draize test, rabbit, eye: 250 ug Severe; Inhalation,
mouse: LC50 = 320 mg/m3/2H; Inhalation, mouse: LC50 = 320 mg/m3;
Inhalation, rat: LC50 = 510 mg/m3/2H; Inhalation, rat: LC50 = 510
mg/m3; Oral, rat: LD50 = 2140 mg/kg.
Carcinogenicity:
Phosphoric acid -
Not listed by ACGIH, IARC, or NTP.
Sulfuric acid -
ACGIH: A2 - Suspected Human Carcinogen (contained in strong inorg
California: carcinogen, initial date 3/14/03 (listed as Strong inorgan
NTP: Known carcinogen (listed as Strong inorganic acid mists co
IARC: Group 1 carcinogen
Other:
See actual entry in RTECS for complete information.

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

Ecotoxicity:
Sulfuric acid is harmful to aquatic life in very low concentrations.
It may be dangerous if it enters water intakes. The aquatic toxicity
for bluegill in fresh water was 24.5 ppm/24 hr, which was lethal.

**** 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, acidic, inorganic, n.o.s.
Hazard Class: 8
UN Number: 3264
Packing Group: II
IMO
Shipping Name: CORROSIVE LIQUID, ACIDIC, INORGANIC, N.O.S.
Hazard Class: 8
UN Number: 3264
Packing Group: II
RID/ADR
Shipping Name: Corrosive liquid, acidic, inorganic, n.o.s.
Hazard Class: 8
UN Number: 3264
Packing group: II
USA RQ: CAS# 7664-38-2: 5000 lb final RQ; 2270 kg final RQ
USA RQ: CAS# 7664-93-9: 1000 lb final RQ; 454 kg final RQ

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

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: C
Risk Phrases:
R 35 Causes severe burns.
Safety Phrases:
WGK (Water Danger/Protection)
CAS# 7664-38-2: 1
CAS# 7664-93-9: 2
Canada
CAS# 7664-38-2 is listed on Canada's DSL List.
CAS# 7664-93-9 is listed on Canada's DSL List.
CAS# 7664-38-2 is listed on Canada's Ingredient Disclosure List.
CAS# 7664-93-9 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 7664-38-2 is listed on the TSCA inventory.
CAS# 7664-93-9 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: 1/12/2000 Revision #4 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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