Material Safety Data Sheet
Science Stuff, Inc.
1104 Newport Ave
Austin, TX 78753
Phone (512) 837-6020
Chemtrec 800-424-9300
24 Hour Emergency Assistance
Section 1 Identification
Product Number:C1668 
Hazard Rating:
NA = Not Applicable NE = Not Established
Product Name:Diatomaceous Earth  
Trade/Chemical Synonyms 
C.A.SCAS# 61790-53-2
Section 2 Component Mixture
Sara 313ComponentCAS Number%DimExposure Limits:
Diatomaceous Earth  CAS# 61790-53-2 100% W/W TXDS: orl-rat LD: 3.16 g/Kg 
Section 3 Hazard Identification (Also see section 11)
Generally not hazardous in normal handling, however good laboratory practices should always be used. Avoid long term exposure to skin or by inhalation. 
Section 4 First Aid Measures
Generally not hazardous in normal handling, however good laboratory practices should always be used. Avoid long term exposure to skin or by inhalation.

FIRST AID: SKIN: Wash exposed area with soap and water. If irritation persists, seek medical attention.

EYES: Wash eyes with plenty of water for at least 15 minutes, lifting lids occasionally. Seek Medical Aid. INHALATION: Remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen

INGESTION: Give several glasses of milk or water. Vomiting may occur spontaneously, but it is not necessary to induce. Never give anything by mouth to an unconscious person.
Section 5 Fire Fighting Measures
Fire Extinguisher Type:Any means suitable for extinguishing surrounding fire
Fire/Explosion Hazards:Negligible fire hazard when exposed to heat or flame
Fire Fighting Procedure:Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and clothing.
Section 6 Accidental Release Measures
Evacuate area. Wear self-contained breathing apparatus and protective clothing. Eliminate all sources of ignition.sweep up and containerize for reclamation or disposal. Vacuuming or wet sweeping may be used to aviod dust.
Section 7 Handling and Storage
keep in tightly closed container,store in cool , dry ,ventilated area. Protect against physical damage. 
Section 8 Exposure Controls & Personal Protection
Respiratory Protection:NIOSH/MSHA-approved respirator.if tlv is exceeded.
Ventilation: Mechanical: Hand Protection:none required
Local Exhaust: Eye Protection:Splash Goggles
Other Protective Equipment: Wear appropriate clothing to prevent skin exposure.maintain eye wash and quick drench facilites .
Section 9 Physical and Chemical Properties
Melting Point:1710cSpecific Gravity2.2
Boiling Point:2232c Percent Volatile by Volume:n/a
Vapor Pressure:Information not available Evaporation Rate:n/a
Vapor Density: Information not available Evaporation Standard: n/a
Solubility in Water: less than 2.0% Auto ignition Temperature: Not applicable
Appearance and Odor: buff to off white granules w/no odor. Lower Flamm. Limit in Air: Not applicable
Flash Point: n/a Upper Flamm. Limit in Air: Not applicable
Section 10 Stability and Reactivity Information
Stability: yesConditions to Avoid: substance can explode when wet and heated with magnesium.
Materials to Avoid:
hydrogen flouride,hydrogenated vegtable oils,xenon hexafluoride, oxgyen difluoride and chlorine trifluoride.
Hazardous Decomposition Products:
Not known to occur
Hazardous Polymerization:Will Not Occur
Condition to Avoid:None known
Section 11 Additional Information
acute:inhalation of large amounts of dust may cause dryness and irritation to mucus membranes, nose and throat. Conditions aggravated/target organs. Persons with pre-existing eyes,skin.or respiratorry conditionway be more susceptible. 
DOT Classification: Not Regulated
DOT regulations may change from time to time. Please consult the most recent version of the relevant regulations.
Revision No:0Date Entered: 9/1/2006 Approved by: WPF

The information contained herein is believed to be accurate and is offered in good faith for the user's consideration and investigation. No warranty is expressed or implied regarding the completeness or accuracy of this information, whether originating from Science Stuff, Inc. or from an alternate source. Users of this material should satisfy themselves by independent investigation of current scientific and medical information that this material may be safely handled.