1. Experiment 3.1
Scavenger Hunt

2. Expt 3.1 - Scavenger Hunt This is a hunt for chemical information.
Boiling point
Melting point
Refractive index
Molecular weight
Density
Solubility
Reference Books
CRC Handbook, Merck Index, Chemical Catalogs, Online sources
Good discussion of these in the lab text

3. Experiment 3.1 Particulars
Location of Reference Materials
In the lab
In the library
In the Science Learning Center (also in the library)
Datasheet (linked to the Schedule web page)
Due at the beginning of the next lab.
Not expected to turn in the book exercise (Part A or Part B).
Page 1 of the datasheet must be downloaded and typed.
Include units such as oC for melting and boiling points.
Subscript the numbers in molecular formulas.
Page 2 can be hand-written. Pay attention to sig figs.
Be sure to ask your instructor if you have any questions.

4. MSDS Information In the lab – ask instructor for binder
Online – several sites offer this information
Fisher Scientific
Sigma-Aldrich

5.
Type in your compound here and click the Search button.
acetone

6. Click on one of the “acetone” entries
Click on one of the “acetone” entries. It really doesn’t matter who the manufacturer is. This will open up the MSDS. OK
Don’t pick these. They are not “acetone”. OK

7. Section 3 of the MSDS has hazard information.
3. Hazards Identification
Emergency Overview DANGER! EXTREMELY FLAMMABLE LIQUID AND VAPOR. VAPOR MAY CAUSE FLASH FIRE. HARMFUL IF SWALLOWED OR INHALED. CAUSES IRRITATION TO SKIN, EYES AND RESPIRATORY TRACT. AFFECTS CENTRAL NERVOUS SYSTEM. SAF-T-DATA(tm) Ratings (Provided here for your convenience) Health Rating: 2 - Moderate Flammability Rating: 3 - Severe (Flammable) Reactivity Rating: 0 - None Contact Rating: 3 - Severe Lab Protective Equip: GOGGLES & SHIELD; LAB COAT & APRON; VENT HOOD; PROPER GLOVES; CLASS B EXTINGUISHER Storage Color Code: Red (Flammable) Potential Health Effects Inhalation: Inhalation of vapors irritates the respiratory tract. May cause coughing, dizziness, dullness, and headache. Higher concentrations can produce central nervous system depression, narcosis, and unconsciousness. Ingestion: Swallowing small amounts is not likely to produce harmful effects. Ingestion of larger amounts may produce abdominal pain, nausea and vomiting. Aspiration into lungs can produce severe lung damage and is a medical emergency. Other symptoms are expected to parallel inhalation. Skin Contact: Irritating due to defatting action on skin. Causes redness, pain, drying and cracking of the skin. Eye Contact: Vapors are irritating to the eyes. Splashes may cause severe irritation, with stinging, tearing, redness and pain. Chronic Exposure: Prolonged or repeated skin contact may produce severe irritation or dermatitis. Aggravation of Pre-existing Conditions: Use of alcoholic beverages enhances toxic effects. Exposure may increase the toxic potential of chlorinated hydrocarbons, such as chloroform, trichloroethane.

8. Section 9 is usually physical properties
9. Physical and Chemical Properties
Appearance: Clear, colorless, volatile liquid. Odor: Fragrant, mint-like Solubility: Miscible in all proportions in water. Specific Gravity: 20C/4C pH: No information found. % Volatiles by 21C (70F): Boiling Point: 56.5C 760 mm Hg Melting Point: -95C (-139F) Vapor Density (Air=1): Vapor Pressure (mm Hg): 39.5C (104F) Evaporation Rate (BuAc=1): ca. 7.7
Density
If you need other physical properties, you will probably have to use the CRC Handbook or the online Sigma-Aldrich or Fisher catalogs.