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MSDS 
:
 Iron(II) sulfate heptahydrate,  p.a.
CAS 
:
 7720-78-7
SYNONYMS 
:
 Green vitrol; Ferrous sulfate heptahydrate; Iron protosulfate.
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
|----------------|--------------------------------------|----------|-----------|
|----------------|--------------------------------------|----------|-----------|
| 7782-63-0 |Iron(II) sulfate heptahydrate | >99.5 | unlisted |
+----------------+--------------------------------------+----------+-----------+
Text for R-phrases: see Section 16
Hazard Symbols: XN
Risk Phrases: 22 36/37/38

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

EMERGENCY OVERVIEW
Harmful if swallowed. Irritating to eyes, respiratory system and
skin.Air sensitive.Moisture sensitive.

Potential Health Effects
Eye:
May cause mild eye irritation.
Skin:
May cause skin irritation.
Ingestion:
Ingestion of large amounts may cause gastrointestinal irritation.
May be harmful if swallowed. Ingestion may result in irritation of
the esophagus, bleeding of the stomach and ulcer formation.
Inhalation:
May cause respiratory tract irritation.
Chronic:
Repeated exposure may increase iron levels in the liver, spleen and
lymphatic system. Damage may occur in the spleen and liver.

**** 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.
Skin:
In case of contact, flush skin with plenty of water. Remove
contaminated clothing and shoes. Get medical aid if irritation
develops and persists. Wash clothing before reuse.
Ingestion:
If swallowed, do not induce vomiting unless directed to do so by
medical personnel. Never give anything by mouth to an unconscious
person. Get medical aid.
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:
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. Substance is noncombustible.
Extinguishing Media:
Substance is noncombustible; use agent most appropriate to
extinguish surrounding fire.

**** 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. Clean up spills immediately, observing precautions in the
Protective Equipment section. Avoid generating dusty conditions.
Provide ventilation.

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

Handling:
Wash thoroughly after handling. Remove contaminated clothing and
wash before reuse. Use with adequate ventilation. Minimize dust
generation and accumulation. Avoid contact with eyes, skin, and
clothing. Avoid breathing dust.
Storage:
Do not store in direct sunlight. Store in a cool, dry area away from
incompatible 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# 7720-78-7:

Belgium - TWA: (listed as iron salts (soluble)): 1 mg/m3 VLE (as
Malaysia: (listed as iron salts (soluble)): 1 mg/m3 TWA (as Fe)
Netherlands: (listed as iron salts (soluble)): 1 mg/m3 MAC (as Fe
Spain: (listed as iron salts (soluble)): 1 mg/m3 VLA-ED (as Fe)
CAS# 7782-63-0:

Belgium - TWA: (listed as iron salts (soluble)): 1 mg/m3 VLE (as
Malaysia: (listed as iron salts (soluble)): 1 mg/m3 TWA (as Fe)
Netherlands: (listed as iron salts (soluble)): 1 mg/m3 MAC (as Fe
Spain: (listed as iron salts (soluble)): 1 mg/m3 VLA-ED (as Fe)

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: Solid
Color: blue-green
Odor: odorless
pH: 3-5 (5% aq. sol.)
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 300 deg C (dec)
Freezing/Melting Point: 64 deg C
Autoignition Temperature: Not applicable.
Flash Point: Not applicable.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: > 300 deg C
Solubility in water: 48.6g/100g water at 50C
Specific Gravity/Density: 1.898
Molecular Formula: FeSO4.7H2O
Molecular Weight: 278.01

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

Chemical Stability:
Stable at room temperature in closed containers under normal storage
and handling conditions. FeSO4.7H2O oxidizes in moist air forming a
brown coating of basic ferric sulfate. Aqueous solutions are oxidized
slowly by air when cold, rapidly when hot; rate of oxidation
increased by addition of base or exposure to light.
Conditions to Avoid:
Light, dust generation, moisture, excess heat, prolonged exposure to
air.
Incompatibilities with Other Materials:
Strong oxidizing agents, bases, lead acetate, silver salts, lime
water, carbonates, potassium tartrate, gold salts, potassium iodide,
sodium borate, sodium tartrate, tannin.
Hazardous Decomposition Products:
Oxides of sulfur, oxides of iron.
Hazardous Polymerization: Has not been reported.

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

RTECS#:
CAS# 7720-78-7: NO8500000
CAS# 7782-63-0: NO8510000
LD50/LC50:
CAS# 7720-78-7: Oral, mouse: LD50 = 680 mg/kg; Oral, rat: LD50 = 319
mg/kg; Oral, rat: LD50 = 533 mg/kg.
CAS# 7782-63-0: Oral, mouse: LD50 = 1520 mg/kg.
For Iron(II) sulfate (1:1), heptahydrate (CAS = 7782-63-0):
LDLo: 1389 mg/kg
anhydrous (CAS = 7720-78-7):
lowering not characterized in autonomic section, jaundice.
Carcinogenicity:
Ferrous sulfate anhydrous -
Not listed by ACGIH, IARC, or NTP.
Iron(II) sulfate heptahydrate -
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: Not regulated.
Hazard Class:
UN Number:
Packing Group:
IMO
Shipping Name: Not regulated.
Hazard Class:
UN Number:
Packing Group:
RID/ADR
Shipping Name: Not regulated.
Hazard Class:
UN Number:
Packing group:
USA RQ: CAS# 7720-78-7: 1000 lb final RQ; 454 kg final RQ
USA RQ: CAS# 7782-63-0: 1000 lb final RQ (Listed under Ferrous sulfate); 454 kg

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

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XN
Risk Phrases:
R 22 Harmful if swallowed.
R 36/37/38 Irritating to eyes, respiratory system
and skin.
Safety Phrases:
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 36 Wear suitable protective clothing.
WGK (Water Danger/Protection)
CAS# 7720-78-7: 1
CAS# 7782-63-0: No information available.
Canada
CAS# 7720-78-7 is listed on Canada's DSL List.
CAS# 7720-78-7 is listed on Canada's Ingredient Disclosure List.
CAS# 7782-63-0 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 7720-78-7 is listed on the TSCA inventory.
CAS# 7782-63-0 is not on the TSCA Inventory because it is a hydrate.
It is considered to be listed if the CAS number for the anhydrous form
is on the inventory (40CFR720.3(u)(2)).

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

Text for R-phrases from Section 2
MSDS Creation Date: 12/04/1997 Revision #6 Date: 10/05/2004

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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