Alfa Aesar/Avocado Organics ?? Material Safety Data Sheet A11227

Alfa Aesar/Avocado Organics ?? Material Safety Data Sheet A11227

1. IDENTIFICATION OF SUBSTANCE AND SUPPLIER Name On Label :
Zinc sulfite dihydrate
Product Number : A11227
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 : Zinc
sulfite dihydrate
MinorImpurities : Not determined
CAS Number : 7488??52??0
EINECS Number : Not listed
EEC Number :

3. HAZARDS IDENTIFICATION Designation :
IRRITANT
Risk Phrases
R36/37/38 Irritating to eyes, respiratory system and skin.

4. FIRST AID MEASURES Inhalation
Remove to fresh air. If breathing is difficult give oxygen and seek
medical attention.

Eye Contact
Flush with copious amounts of water for at least 15 minutes. If irritation
persists, seek medical attention.

Skin Contact
Remove contaminated clothing. Wash affected area with soap and water.
Rinse thoroughly. If irritation persists or other symptoms are observed,
seek medical advice.

Ingestion
Rinse out mouth and drink lots of water. In case of irritation or other
symptoms, seek medical attention.

Alfa Aesar/Avocado Organics ?? Material Safety Data Sheet A11227 1
 Alfa Aesar/Avocado Organics ?? Material Safety Data Sheet A11227


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.
Use carbon dioxide or dry powder.

Protective Equipment
Wear self?contained breathing apparatus and protective clothing.

Hazardous Products of Combustion May Include:
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 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

5. FIRE FIGHTING MEASURES Extiguishing Medium Use fire fighting measures which suit the environmen
2
 Alfa Aesar/Avocado Organics ?? Material Safety Data Sheet A11227

Avoid eye contact. Wear safety spectacles, goggles or, for larger
quantities, a full face mask.

Hands and Body
Irritant product. Avoid skin contact. Wear rubber gloves, protective
clothing and, for larger quantities, full arm, body and face protection.
Wash hands thoroughly after handling.

9. PHYSICAL AND CHEMICAL PROPERTIES Appearance : White
crystalline powder
Physical Constants: Not available
Molecular Formula : O3SZn.2H2O
Formula Weight : 181.46
Water Solubility : 0.16g/100ml
Density : Not available
Flash Point : Not available

10. STABILITY AND REACTIVITY Specific Hazard
Incompatibilities
Strong oxidising agents. Strong acids.

Decomposition
Hazardous products of decomposition may include:
sulfur dioxide, sulfuric acid.

11. TOXICOLOGICAL INFORMATION RTECS Number : Not listed
Acute Toxicity
LD50 : No data reported
Irritating to eyes, respiratory system and skin.



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.



9. PHYSICAL AND CHEMICAL PROPERTIES Appearance : White crystalline powder Physical Constants: N
3
 Alfa Aesar/Avocado Organics ?? Material Safety Data Sheet A11227

14. TRANSPORT INFORMATION UN Number :
Land Transport
ADR/RIC Code/Class: Not Restricted
Maritime Transport IMDG Code/Class : Not Restricted
Air Transport IATA Code/Class : Not Restricted

15. REGULATORY INFORMATION CAS Number : 7488??52??0
EINECS Number : Not listed
EEC Number :
UN Number : None
RTECS Number : Not listed
Hazard Indication :
IRRITANT

Risk and Safety Phrases
Irritating to eyes, respiratory system and skin.
In case of contact with eyes, rinse immediately with plenty of water and
seek medical advice.
Wear suitable protective clothing, gloves and eye/face protection.

TSCA: Listed substance.

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




14. TRANSPORT INFORMATION UN Number : Land Transport ADR/RIC Code/Class: Not Restricted Mariti
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ZINC SULFITE DIHYDRATE