Avocado Research Chemicals Ltd - Material Safety Data Sheet 22730
1. IDENTIFICATION OF SUBSTANCE AND SUPPLIE Name On Label 2,2,2-Trimethoxy-4,5-dimethyl-1,3-dioxaphospholene
Product Number 22730
Supplier Johnson Matthey Catalog Company Inc.
30 Bond Street, Ward Hill, Massachusetts, 01835-8099
Emergency Telephone Number: (978) 521-6300; CHEMTREC: (800) 424-9300

Alternative Names None in common use.

2. COMPOSITION AND INFORMATION ON COMPONENTS
Name 2,2,2-Trimethoxy-4,5-dimethyl-1,3-dioxaphospholene
Minor Impurities Not determined
CAS No. 1665-79-8 EINECS No. Not listed EEC No.

3. HAZARDS IDENTIFICATION
Designation HARMFUL
Risk Phrases None specified - Exercise all due care in use

4. FIRST AID MEASURES
Inhalation Remove to fresh air. Seek medical advice if symptoms persist.
Eye Contact Flush with copious amounts of water for at least 15 minutes. If symptoms arise, seek medical
advice.
Skin Contact Remove contaminated clothing. Wash affected area with soap and water. Rinse thoroughly. If
unusual symptoms are observed, seek medical advice. Show the physician the container details.
Ingestion Rinse out mouth and drink lots of water. In case of unusual symptoms, seek medical attention and
show physician the container details.

5. FIRE FIGHTING MEASURES
Extinguishing Medium Use fire fighting measures which suit the environment and take into account other materials which
may be involved. In general, water-based extinguishers should not be used for fires involving
organic materials. Use carbon dioxide or dry powder.
Protective Equipment Wear self-contained breathing apparatus and protective clothing.
Hazardous Products of Combustion may include: carbon monoxide, carbon dioxide, phosphorus pentoxide, phosphoric acid.

6. ACCIDENTAL RELEASE MEASURES
Personal Protection Avoid inhalation or contact of spilled material with skin or clothing. Wear protective equipment
including rubber gloves, and eye protection. Keep unprotected persons away.
Environmental Protection Take precautions to ensure product does not contaminate the ground or enter the drainage system.
Collection Mix with vermiculite or proprietary absorbent material and transfer to sealed containers for disposal.

7. HANDLING AND STORAGE
Handling Chemicals should be used only by those trained in handling potentially hazardous materials. Rubber
gloves, eye protection and protective clothing should be worn. Operations should be carried out in
an efficient fume hood or equivalent system.
Storage Store in tightly sealed containers in a cool place.
Protect from moisture.

8. EXPOSURE CONTROLS AND PERSONAL PROTECTION
Respiratory Avoid inhalation of product. Handle in an efficient fume hood or equivalent system.
Eye Avoid eye contact. Wear safety spectacles or goggles.
Hands and Body Avoid skin contact. Wear rubber gloves and protective clothing.




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22730 continued.
9. PHYSICAL AND CHEMICAL PROPERTIES
Appearance
Physical Constants b.p. 64-66?/1mm
Molecular formula C7H15O5P Formula Wt. 210.17
Water solubility Density Not available
Flash Point Not available

10. STABILITY AND REACTIVITY
Specific Hazard

Incompatibilities Strong oxidising agents.
Decomposition Hazardous products of decomposition may include: carbon monoxide, carbon dioxide, phosphorus
pentoxide, phosphoric acid.

11. TOXICOLOGICAL INFORMATION
RTECS No. Not listed
Acute Toxicity LD50: Not available

12. ECOLOGICAL EFFECTS
General Take care to prevent chemicals from entering the ground, water courses or drainage systems.

13. DISPOSAL CONSIDERATIONS
Disposal Disposal should be via an approved contractor and should take full account of local regulations.

14. TRANSPORT INFORMATION
UN Number
Land Transport ADR/RIC Code/Class Packing Group II
Maritime Transport IMDG Code/Class Packing Group II
Air Transport IATA Code/Class Packing Group II

15. REGULATORY INFORMATION
CAS No. 1665-79-8 EINECS No. Not listed EEC No. UN No. None RTECS No. Not listed
Hazard Indication HARMFUL
Risk & Safety Phrases None specified - Exercise all due care in use
TSCA

16. OTHER INFORMATION
It must be recognised that the physical and chemical properties of any product may not be fully understood and that new,
possibly hazardous products may arise from reactions between chemicals. The information given in this data sheet is based
on our present knowledge and shall not constitute a guarantee for any specific product features and shall not establish a
legally valid contractual relationship.
Date of Last Review: 1st June 2000 Date Printed: 13th November 2000


2,2,2-TRIMETHOXY-4,5-DIMETHYL-1,3-DIOXAPHOSPHOLENE