CAS : 51830-50-3
Alfa Aesar/Avocado Organics ?? Material Safety Data Sheet A11770
Alfa Aesar/Avocado Organics ?? Material Safety Data Sheet A11770
1. IDENTIFICATION OF SUBSTANCE AND SUPPLIER Name On Label :
p??(Tolylthio)acetaldehyde diethyl acetal
Product Number : A11770
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 : 4??(Methylphenylthio)acetaldehyde diethyl acetal
2. COMPOSITION AND INFORMATION ON COMPONENTS Name :
p??(Tolylthio)acetaldehyde diethyl acetal
MinorImpurities : Not determined
CAS Number : 51830??50??3
EINECS Number : Not listed
EEC Number :
3. HAZARDS IDENTIFICATION Designation :
STENCH
Risk Phrases
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.
Skin Contact
Wash affected area with soap and water. Rinse thoroughly.
Ingestion
Rinse out mouth and drink lots of water. If unusual symptoms are
observed, seek medical advice.
5. FIRE FIGHTING MEASURES Extiguishing 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.
Alfa Aesar/Avocado Organics ?? Material Safety Data Sheet A11770 1
Alfa Aesar/Avocado Organics ?? Material Safety Data Sheet A11770
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, sulfur dioxide, sulfuric acid.
6. ACCIDENTAL RELEASE MEASURES Personal Protection
Wear protective equipment including rubber gloves, and eye protection.
Keep unprotected persons away.
Environmental Protection
Take steps to minimise spread of noxious vapours. 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.
6. ACCIDENTAL RELEASE MEASURES Personal Protection Wear protective equipment including 2
rubber g
Alfa Aesar/Avocado Organics ?? Material Safety Data Sheet A11770
9. PHYSICAL AND CHEMICAL PROPERTIES Appearance :
Physical Constants: b.p. 106??108??/0.25m
Molecular Formula : C13H20O2S
Formula Weight : 240.37
Water Solubility :
Density : Not available
Flash Point : Not available
10. STABILITY AND REACTIVITY Specific Hazard
Incompatibilities
Acids. Strong oxidising agents. Moisture.
Decomposition
Hazardous products of decomposition may include:
carbon monoxide, carbon dioxide, sulfur dioxide, sulfuric acid.
11. TOXICOLOGICAL INFORMATION RTECS Number : Not listed
Acute Toxicity
LD50 : No data reported
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: 6.1 /Packing Group III
Maritime Transport IMDG Code/Class : 6.1 /Packing Group III
Air Transport IATA Code/Class : 6.1 /Packing Group III
9. PHYSICAL AND CHEMICAL PROPERTIES Appearance : Physical Constants: b.p. 106??108??/0.25m Mole
3
Alfa Aesar/Avocado Organics ?? Material Safety Data Sheet A11770
15. REGULATORY INFORMATION CAS Number : 51830??50??3
EINECS Number : Not listed
EEC Number :
UN Number : None
RTECS Number : Not listed
Hazard Indication :
STENCH
Risk and Safety Phrases
None specified ?? Exercise all due care in use
TSCA: Not listed. For research and development use only.
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: 3rd August 1998
Date Printed : 18th September 1998
15. REGULATORY INFORMATION CAS Number : 51830??50??3 EINECS Number : Not listed EEC 4
Number
Alfa Aesar/Avocado Organics ?? Material Safety Data Sheet A11770
1. IDENTIFICATION OF SUBSTANCE AND SUPPLIER Name On Label :
p??(Tolylthio)acetaldehyde diethyl acetal
Product Number : A11770
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 : 4??(Methylphenylthio)acetaldehyde diethyl acetal
2. COMPOSITION AND INFORMATION ON COMPONENTS Name :
p??(Tolylthio)acetaldehyde diethyl acetal
MinorImpurities : Not determined
CAS Number : 51830??50??3
EINECS Number : Not listed
EEC Number :
3. HAZARDS IDENTIFICATION Designation :
STENCH
Risk Phrases
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.
Skin Contact
Wash affected area with soap and water. Rinse thoroughly.
Ingestion
Rinse out mouth and drink lots of water. If unusual symptoms are
observed, seek medical advice.
5. FIRE FIGHTING MEASURES Extiguishing 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.
Alfa Aesar/Avocado Organics ?? Material Safety Data Sheet A11770 1
Alfa Aesar/Avocado Organics ?? Material Safety Data Sheet A11770
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, sulfur dioxide, sulfuric acid.
6. ACCIDENTAL RELEASE MEASURES Personal Protection
Wear protective equipment including rubber gloves, and eye protection.
Keep unprotected persons away.
Environmental Protection
Take steps to minimise spread of noxious vapours. 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.
6. ACCIDENTAL RELEASE MEASURES Personal Protection Wear protective equipment including 2
rubber g
Alfa Aesar/Avocado Organics ?? Material Safety Data Sheet A11770
9. PHYSICAL AND CHEMICAL PROPERTIES Appearance :
Physical Constants: b.p. 106??108??/0.25m
Molecular Formula : C13H20O2S
Formula Weight : 240.37
Water Solubility :
Density : Not available
Flash Point : Not available
10. STABILITY AND REACTIVITY Specific Hazard
Incompatibilities
Acids. Strong oxidising agents. Moisture.
Decomposition
Hazardous products of decomposition may include:
carbon monoxide, carbon dioxide, sulfur dioxide, sulfuric acid.
11. TOXICOLOGICAL INFORMATION RTECS Number : Not listed
Acute Toxicity
LD50 : No data reported
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: 6.1 /Packing Group III
Maritime Transport IMDG Code/Class : 6.1 /Packing Group III
Air Transport IATA Code/Class : 6.1 /Packing Group III
9. PHYSICAL AND CHEMICAL PROPERTIES Appearance : Physical Constants: b.p. 106??108??/0.25m Mole
3
Alfa Aesar/Avocado Organics ?? Material Safety Data Sheet A11770
15. REGULATORY INFORMATION CAS Number : 51830??50??3
EINECS Number : Not listed
EEC Number :
UN Number : None
RTECS Number : Not listed
Hazard Indication :
STENCH
Risk and Safety Phrases
None specified ?? Exercise all due care in use
TSCA: Not listed. For research and development use only.
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: 3rd August 1998
Date Printed : 18th September 1998
15. REGULATORY INFORMATION CAS Number : 51830??50??3 EINECS Number : Not listed EEC 4
Number
P-(TOLYLTHIO)ACETALDEHYDE DIETHYL ACETAL
China (Mainland)] 
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