MATERIAL SAFETY DATA SHEET鈥斺?斺?斺?斺?斺?斺?斺?斺?斺?斺?斺??
Pickering Laboratories, Inc 鈥? 1280 Space Park Way, Mountain View, CA 94043 鈥? 650 694 6700 鈥? Fax 650 968 0749
P R O D U C T S : o-Phthalaldehyde Cat. No. O120
Section I 鈥? General
CAS #: [643-79-8]
FORMULA: C6H4(CHO)2
CHEMICAL NAME: o-Phthalaldehyde
SYNONYMS: Phthalic dicarboxaldehyde; o-phthaldialdehyde
CHEMICAL FAMILY: Aldehyde
Section II 鈥? Hazardous Ingredients
1: 99.9 + % o-Phthalaldehyde
Section III 鈥? Physical Data
MELTING POINT: 56掳C
BOILING POINT: Not available
APPEARANCE: Pale yellow crystals
ODOR: Slight odor
SOLUBILITY: Soluble in alcohol; slightly soluble in water (0.62gm/100mL)
VAPOR PRESSURE: Approx. 5mm Hg @ 108掳C
AIR SENSITIVE: Yes
LIGHT SENSITIVE: Yes
Section IV 鈥? Toxicity Data
RTECS #: TH6950000
RTECS NAME: Phthalaldehyde
REVIEWS: Only selected Registry of Toxic Effects of Chemical Substances (RTECS)
data are presented here. Refer to actual entry in RTECS for complete
information.
Section V 鈥? Health Hazards and First Aid
ACUTE EFFECTS: Will irritate skin, eyes, and mucous membranes.
CHRONIC EFFECTS: Not thoroughly established
EYE CONTACT: Immediately flush with plenty of water for at least 15 minutes; assure
adequate flushing by separating eyelids with fingers. Call a physician
immediately.
漏 Pickering Laboratories, Inc. April 2000 1 0500-3001-C / O120
SKIN CONTACT: Immediately flush with plenty of water for at least 15 minutes. Remove
contaminated clothing and shoes. Get medical attention.
INHALATION: Remove to fresh air. If breathing becomes difficult, get medical help.
INGESTION: If conscious, give 1鈥?2 glasses of milk or water; do not induce vomiting. Call
a physician immediately.
Section VI 鈥? Fire and Explosion Hazards
FLASHPOINT (Method used): Not applicable
EXTINGUISHING MEDIA: Water spray; dry chemical; carbon dioxide; alcohol or polymer foam.
FIREFIGHTING PROCEDURE: Wear self-contained breathing apparatus and protective clothing.
UNUSUAL HAZARDS &
EXPLOSIVE PROPERTIES: This material in sufficient quantity and reduced particle size is capable of
creating a dust explosion.
Section VII 鈥? Reactivity
GENERAL: Stable
INCOMPATIBILITIES: Keep from contact with oxidizers.
HAZARDOUS COMBUSTION OR
DECOMPOSITION PRODUCTS: Will not occur.
Section VIII 鈥? Spill or Leak Procedures
SPILL PROCEDURE: Wear eye protection and gloves. Clean up with rags, paper towels, sponge;
place in a bag and hold for waste disposal. Ventilate area and wash spill-site
with soap and water.
WASTE DISPOSAL: This product may be mixed or dissolved in a combustible solvent and burn in
a chemical incinerator equipped with an afterburner and scrubber. Observe
all federal, state, and local regulations.
Section IX 鈥? Precautions for Handling and Storage
SAFETY EQUIPMENT: Chemical safety goggles, vinyl / latex / or rubber gloves, safety-shower with
eye-wash.
HANDLING PROCEDURES: Avoid eye and skin contact. Do not ingest. Wear safety glasses and gloves.
STORAGE PROCEDURES: Store at room temperature, preferably inside a desiccator.
This information is believed to accurate and represents the best information currently available to us. It is offered
only for your consideration, investigation, and verification. Pickering Laboratories disclaims any liability incurred
from the use of this product and shall not in any event be liable for any special, incidental, or consequential damages
arising from such use. The information provided herein relates only to the specific product designated and may not be
valid where such product may be subject to federal, state, or local laws or regulations.
漏 Pickering Laboratories, Inc. April 2000 2 0500-3001-C / O120
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