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10277-44-8

10277-44-8 structure
10277-44-8 structure

Name praseodymium(3+),trisulfate
Synonyms Praseodymium(III) sulfate
Dipraseodymium trisulphate
praseodymium(3+) trisulfate
PRASEODYMIUM SULFATE
praseodymium sulfate(2:3)
EINECS 233-622-8
Density 3.720
Boiling Point 330ºC at 760mmHg
Molecular Formula H2O13Pr2S3
Molecular Weight 588.01800
Exact Mass 587.68100
PSA 275.15000
Vapour Pressure 3.35E-05mmHg at 25°C
Water Solubility 0.1545 ± 0.0019mol/kg (25°C), octahydrate is the equilibrium phase [RAR88]; g/100 g H2O: 19.8 (0°C), 12.6 (20°C), 0.91 (100°C) [LAN05]

Section 1: Product Identification
Chemical Name:Praseodymium (III) sulfate hydrate (99.9%-Pr) (REO)
CAS Registry Number:10277-44-8
Formula:Pr2(SO4)3.XH2O
EINECS Number:233-622-8
Chemical Family:metal sulfate
Synonym:none

Section 2: Composition and Information on Ingredients
IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL)
Title Compound10277-44-8100%no datano data

Section 3: Hazards Identification
Emergency Overview:Irritating to eyes, skin and respiratory tract. May be harmful if swallowed
Primary Routes of Exposure:Ingestion
Eye Contact:Causes slight to mild irritation of the eyes.
Skin Contact:Causes slight irritation of the skin.
Inhalation:Irritating to the nose, mucous membranes and respiratory tract.
Ingestion:No information is available on the physiological effects of ingestion.
Acute Health Affects:Irritating to skin, eyes and respiratory tract.
Chronic Health Affects:No information available on long-term chronic effects.
NTP:No
IARC:No
OSHA:No

SECTION 4: First Aid Measures
Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need
Eye Exposure:
assistance in keeping their eye lids open. Get immediate medical attention.
Wash the affected area with water. Remove contaminated clothes if necessary. Seek medical assistance if
Skin Exposure:
irritation persists.
Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty
Inhalation:
in breathing, coughing, wheezing, or pain. In such cases seek immediate medical assistance.
Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). Induce
Ingestion:
vomiting only if directed by medical personnel.

SECTION 5: Fire Fighting Measures
Flash Point:not applicable
Autoignition Temperature:none
Explosion Limits:none
Extinguishing Medium:none required
If involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure self-contained
Special Fire Fighting Procedures:
breathing apparatus and full protective clothing.
Hazardous Combustion andIf involved in a fire this material may emit toxic fumes of sulfur oxides.
Decomposion Products:
Unusual Fire or Explosion Hazards: No unusual fire or explosion hazards.

SECTION 6: Accidental Release Measures
Spill and Leak Procedures:Small spills can be mixed with powdered sodium carbonate or ground limestone and swept up.

SECTION 7: Handling and Storage
Handling and Storage:Store material in a tightly sealed bottle away from moisture.

SECTION 8: Exposure Controls and Personal Protection
Eye Protection:Always wear approved safety glasses when handling a chemical substance in the laboratory.
Skin Protection:Wear appropriate chemical resistant gloves and protective clothing.
Ventilation:If possible, handle the material in an efficient fume hood.
In the absence of adequate ventilation a respirator should be worn. The use of a respiratory requires a
Respirator:
Respirator Protection Program to be in compliance with 29 CFR 1910.134.
Ventilation:If possible, handle the material in an efficient fume hood.
Additional Protection:No additional protection required.

SECTION 9: Physical and Chemical Properties
Color and Form:light green xtl.
Molecular Weight:570
Melting Point:no data
Boiling Point:no data
Vapor Pressure:not applicable
Specific Gravity:no data
Odor:none
Solubility in Water:soluble

SECTION 10: Stability and Reactivity
Stability:air and moisture stable
Hazardous Polymerization:no hazardous polymerization
Conditions to Avoid:none
Incompatibility:none
Decomposition Products:none

SECTION 11: Toxicological Information
RTECS Data:No information available in the RTECS files
Carcinogenic Effects:no data
Mutagenic Effects:no data
Tetratogenic Effects:no data

SECTION 12: Ecological Information
Ecological Information:No information available

SECTION 13: Disposal Considerations
Disposal:Dispose of according to local, state and federal regulations.

SECTION 14: Transportation
Shipping Name (CFR):Non-hazardous
Hazard Class (CFR):NA
Additional Hazard Class (CFR):NA
Packaging Group (CFR):NA
UN ID Number (CFR):NA
Shipping Name (IATA):Non-hazardous
Hazard Class (IATA):NA
Additional Hazard Class (IATA):NA
Packaging Group (IATA):NA
UN ID Number (IATA):NA

SECTION 15: Regulatory Information
TSCA:Listed in the TSCA inventory.
SARA (Title 313):Title compound not listed.
Second Ingredient:none


SECTION 16 - ADDITIONAL INFORMATION
N/A
Hazard Codes Xi: Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-36
WGK Germany 3