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Hyodeoxycholic acid(83-49-8)

Hyodeoxycholic acid(83-49-8)
Product IdentificationBack to Contents
【Product Name】

Hyodeoxycholic acid
【Synonyms】

3a,6a-Dihydroxy-5b-cholan-24-oic acid
7-Deoxyhyocholic acid
Iodeoxycholic acid
Silicon tetraiodide
【CAS】

13465-84-4
【CAS】

83-49-8
【Formula】

C24H40O4
【Formula】

I4Si
【Molecular Weight】

535.70000000000005
【Molecular Weight】

392.58
【EINECS】

201-483-2
【EINECS】

236-706-2
【RTECS】

FZ2050000
【RTECS Class】

Mutagen
【Merck】

12,4906
【Beilstein/Gmelin】

2713 (G)
【Beilstein/Gmelin】

3218394
【Beilstein Reference】

4-10-00-01600
Physical and Chemical PropertiesBack to Contents
【Appearance】

White powder
【Solubility in water】

Insoluble
【Melting Point】

120.5
【Melting Point】

200 - 201
【Boiling Point】

288
【Boiling Point】

547
【Vapor Pressure】

3E-14 (25 C)
【Vapor Pressure】

0.0043 (25 C0
【Density】

4.198 g/cm3 (-79 C)
【pKa/pKb】

4.76 (pKa)
【Heat Of Vaporization】

52.0 kJ/mol
【Heat Of Vaporization】

95.0 kJ/mol
【Usage】

Prevention of cholesterol-induced gallstones.
【Usage】

Used in the manufacture and etching of silicon in microelectronics.
First Aid MeasuresBack to Contents
【Ingestion】

If swallowed, wash out mouth with water provided person is conscious. Call a physician.
【Ingestion】

Toxic if swallowed.
【Inhalation】

May be harmful if inhaled.
【Inhalation】

If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.
【Skin】

May be harmful if absorbed through the skin.
【Skin】

In case of contact, immediately wash skin with soap and copious amounts of water.
【Skin】

Remove and isolate contaminated clothing and shoes. Immediately flush with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin.
【Eyes】

See Inhalation.
【Eyes】

Assure adequate flushing of the eyes by separating the eyelids with fingers.
【Eyes】

In case of contact, immediately flush eyes with copious amounts of water for at least 15 minutes.
Handling and StorageBack to Contents
【Storage】

Keep tightly closed.
【Storage】

Keep tightly closed. Store in a cool dry place.
Hazards IdentificationBack to Contents
【Eyes】

May cause eye irritation.
【Hazards】

Emits toxic fumes under fire conditions.
【EC Risk Phrase】

61 24/25 34 42/43
【EC Safety Phrase】

53 26 36/37/39 45
【UN (DOT)】

3260
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

Compatible chemical-resistant gloves. Chemical safety goggles.
【Personal Protection】

Wear appropriate government approved respirator, chemical-resistant gloves, safety goggles, other protective clothing.
【Respirators】

Wear positive pressure self-contained breathing apparatus (SCBA).
【Respirators】

Government approved respirator.
【Exposure Effects】

May cause harm to the unborn child. Toxic in contact with skin and if swallowed. Causes burns. May cause sensitization by inhalation and skin contact. Target organ(s): Thyroid.
Fire Fighting MeasuresBack to Contents
【Flash Point】

-18
【Flash Point】

299
【Fire Fighting】

Extinguish using Water spray. Carbon dioxide, dry chemical powder, or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
【Fire Potential】

Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Cover with dry lime or soda ash, pick up, keep in a closed container, and hold for waste disposal. Ventilate area and wash spill site after material pickup is complete.
【Small spills/leaks】

Sweep up, place in a bag and hold for waste disposal. Avoid raising dust. Ventilate area and wash spill site after material pickup is complete.
Stability and ReactivityBack to Contents
【Incompatibilities】

Magnesium, Zinc, Ammonia, Aluminum.
【Stability】

Stable at normal temperatures and pressures.
【Incompatibilities】

Strong oxidizing agents.
【Decomposition】

Nature of decomposition products not known.
【Decomposition】

Carbon monoxide, Carbon dioxide.
【Combustion Products】

Fire may produce irritating, corrosive and/or toxic gases.
Transport InformationBack to Contents
【UN Number】

3260
【Hazard Class】

8
【Packing Group】

II
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