M.S.D.S. 0193
Material Safety Data Sheet
City University of Hong Kong
MSDS FERRIC AMMONIUM SULFATE, 0193
12-HYDRATE
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PRODUCT INFORMATION
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Product Name: Ferric Ammonium Sulfate, 12-Hydrate
Chinese Name: 虏赂(VI)禄脛脜K (III)禄脧
Common Synonyms: Ammonium Iron (III) Sulfate, Dodecahydrate; Ferric Alum; Iron Alum
Chemical Family: Iron Compounds
Formula: FeNH4(SO4)2 12H2O
Formula Wt.: 482.19
CAS No.: 7783-83-7
Product Use: Laboratory Reagent
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RISK SYMBOL
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City University of Hong Kong 1
The above information is believed to be accurate to the best of our knowledge.
No responsibilities or liabilities are assumed or implied by CITY U for their inaccuracies.
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PHYSICAL DATA
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Physical State: Solid
Boiling Point: N/A Vapor Pressure (mmHg): N/A
Melting Point: 40 deg. C (104 deg. F) Vapor Density (Air=1): N/A
(@ 760 mmHg)
Specific Gravity: 1.71 Evaporation Rate: N/A
(H2O=1)
Solubility(H2O): Appreciable (>10%) % Volatiles By Volume: 0
(21 deg. C)
pH: N/A
Odor Threshold (ppm): N/A
Coefficient Water/Oil Distribution: N/A
Appearance & Odor: Light purple crystals. Odorless.
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FIRE AND EXPLOSION DATA
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Flash Point (Closed Cup): N/A
Autoignition Temperature: N/A
Flammable Limits: Upper - N/A Lower - N/A
Fire Extinguishing Media: Use extinguishing media appropriate for surrounding fire.
Special Fire-Fighting Procedures:
Firefighters should wear proper protective equipment and self-contained Breathing apparatus with full
facepiece operated in positive pressure Mode.
Unusual Fire & Explosion Hazards: None identified.
Toxic Gases Produced: Sulfur dioxide, ammonia
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REACTIVITY DATA
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Stability: Stable
Hazardous Polymerization: Will not occur
Conditions To Avoid: Heat
Incompatibles: None identified
Decomposition Products: Ammonia, oxides of sulfur
The above information is believed to be accurate to the best of our knowledge.
No responsibilities or liabilities are assumed or implied by CITY U for their inaccuracies.
M.S.D.S. 0193
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HEALTH HAZARD DATA
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Inhalation: Irritation of upper respiratory tract
Skin Contact: Irritation
Eye Contact: Irritation
Skin Absorption: None identified
Ingestion: None identified
Chronic Effects: None identified
Threshold Limit Value (TLV/TWA): 1 mg/m3
TLV Is For Iron Salts, Soluble, As Fe.
Short-Term Exposure Limit (STEL): Not established
Permissible Exposure Limit (PEL): 1 mg/m3
PEL Is For Iron Salts, Soluble, As Fe.
Toxicity Of Components:
No information is available
Carcinogenicity: NTP: No IARC: No Z LIST: No OSHA REG: No
Carcinogenicity: None identified.
Reproductive Effects: None identified.
Target Organs: Eyes, skin
Medical Conditions Generally Aggravated By Exposure: None identified
Primary Routes Of Entry: Inhalation, skin contact, eye contact
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FIRST AID MEASURES
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Ingestion:
If swallowed and the person is conscious, immediately give large amounts of water. Get medical
attention.
Inhalation: If a person breathes in large amounts, move the exposed person to fresh air.
Skin Contact:
In case of contact, immediately wash skin with plenty of soap and water for at least 15 minutes.
Eye Contact: In case of eye contact, immediately flush with plenty of water for at least 15 minutes.
City University of Hong Kong 3
The above information is believed to be accurate to the best of our knowledge.
No responsibilities or liabilities are assumed or implied by CITY U for their inaccuracies.
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PREVENTATIVE MEASURES
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Ventilation: Use general or local exhaust ventilation to meet TLV requirements.
Respiratory Protection:
None required where adequate ventilation conditions exist. If airborne concentration exceeds TLV, a
dust/mist respirator is recommended. If concentration exceeds capacity of respirator, a self-contained
breathing apparatus is advised.
Eye/Skin Protection: Safety goggles, proper gloves are recommended.
Storage Requirements: Keep container tightly closed. Suitable for any general chemical storage area.
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ENVIRONMENTAL PROTECTION DATA
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Steps To Be Taken In The Event Of A Spill Or Discharge:
Wear suitable protective clothing. Carefully sweep up and remove.
The above information is believed to be accurate to the best of our knowledge.
No responsibilities or liabilities are assumed or implied by CITY U for their inaccuracies.
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