EMS CATALOG NO: 10910 
EMS PRODUCT: Araldite 506
DATE:   09/11/97
PAGE NUMBER:  One of 5


MATERIAL SAFETY DATA SHEET

The information contained herein is based on data considered
accurate. However, no warranty is expressed or implied
regarding the accuracy of these data or the results to be
obtained from the use thereof.

Electron Microscopy Sciences assumes no responsibility for
personal injury or property damage to vendees, users or
third parties caused by the material. Such vendees or users
assume all risks associated with the use of the material.


ELECTRON MICROSCOPY SCIENCES
321 MORRIS ROAD
P.O. BOX 251
FORT WASHINGTON, PA 19034 24 HOUR EMERGENCY PHONE NUMBER
(215) 646-1566 CHEMTREC: (800) 424-9300
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FOR PRODUCT AND SALES INFORMATION
_________________________________________________________________

CONTACT ELECTRON MICROSCOPY SCIENCES OFFICE ABOVE.

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PRODUCT IDENTIFICATION
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IDENTITY (TRADENAME): Araldite GY 506

FAMILY/CHEMICAL NAME: Epoxide

PRODUCT TYPE: Modified liquid epoxy resin.

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COMPOSITION/INFORMATION ON INGREDIENTS
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CAS# CHEMICAL IDENTITY EXPOSURE LIMITS CARCINOGEN
STATUS
ACGIH  OSHA MFR. IARC NTP 
TWA STEL PEL STEL
*2426-08-6 Oxirane,(butoxymethyl 25ppm NE 50ppm NE NR NR

Common Name: Butyl Glycidyl Ether

*25068-38-6 Phenol,4,4'-(1- NE NE NE NE NE NR NR
methylethylidene)bis-,
polymer with (chlotomethyl)oxirane

Common Name: Bisphenol A Diglycidyl Ether
Polymer

* = OSHA Hazardous Ingredient NE = Not Established NR = Not Reviewed

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HAZARDS IDENTIFICATION
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EMERGENCY OVERVIEW: Warning! Combustible liquid. Sensitizer - Can
cause allergic skin reaction. Skin, eye and respiratory irritant.
Can
cause central nervous system effects.

PRIMARY ROUTE(S) OF ENTRY: Dermal, inhalation.

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FIRST AID MEASURES
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INGESTION: If swallowed, give at least 3-4 glasses of water but do
not induce vomiting. If vomiting occurs, give water again. Do not
give anything by mouth to an unconscious or convulsing person. Get
medical
attention. Have physician determine whether vomiting or stomach evacuation
necessary.

SKIN: For skin contact, wash with large amounts of running water
and
soap, if available, for 15 minutes. Remove contaminated clothing
and 
shoes.

INHALATION: If inhaled, remove from area to fresh air. Get medical
attention if respiratory irritation develops or if breathing becomes
difficult.

EYES: For eye contact, immediately flush eyes for at least 15 minutes
with running water. Hold eyelids apart to ensure rinsing of the entire
eye surface and lids with water. Get immediate medical attention.

OVEREXPOSURE EFFECTS: Overexposure to this product can cause skin,
eye
and respiratory irritation. Can cause sensitization and allergic
skin
reactions. In humans, inhalation from spill may cause central nervous
system effects and gastrointestinal tract irritation. 

MEDICAL CONDITIONS AGGRAVATED BY EXPOSURE: Allergy, eczema or skin
conditions.

ADDITIONAL INFORMATION: Promptly remove wet contaminated non impervious
clothing. Wash before reuse.
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FIRE FIGHTING MEASURES
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FLASH POINT: 173oF (78oC)
FLASH POINT METHOD USED: Closed Cup

FIRE FIGHTING EXTINGUISHING MEDIA: Carbon dioxide, foam, dry chemical,
water spray.

FIRE FIGHTING EQUIPMENT: Use self-contained breathing apparatus.

FIRE AND EXPLOSION HAZARDS: Decomposition and combustion products
may 
be toxic.
ACCIDENTAL RELEASE MEASURES:
Absorb onto sand or other absorbent material. Shovel into closable
container for disposal. Wear protective equipment specified below.
Flush contaminated area with water. 
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HANDLING AND STORAGE
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PRECAUTIONS: 

Keep away from heat, sparks and open flame. Avoid contact with eyes,
skin and clothing. Avoid breathing vapor, mist or spray. Use only
with good ventilation. Individuals should wash thoroughly after handling.
Store in closed containers in cool well-ventilated area.
Ground and bond metal containers for liquid transfer to avoid static
sparks. For Industrial use only. 

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EXPOSURE CONTROLS/PERSONAL PROTECTION
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PERSONAL PROTECTIVE EQUIPMENT:
Wear protective equipment to prevent exposure and personal contact.
SKIN PROTECTION: Wear impervious gloves.
RESPIRATORY PROTECTION: Use NIOSH approved respirator suitable for
organic vapors, if required.
EYE PROTECTION: Wear splash-proof chemical goggles.
ENGINEERING CONTROLS: Good general mechanical ventilation and local
exhaust.

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PHYSICAL AND CHEMICAL PROPERTIES
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COLOR: Clear
PHYSICAL STATE: Liquid
SOLUBILITY IN WATER: Insoluble
SPECIFIC GRAVITY: 1.13 at 25oC (77oF) (H2O 1)
PERCENT VOLATILE: Nil.

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STABILITY AND REACTIVITY
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CONDITIONS TO AVOID: Avoid strong acids or bases in bulk and elevated
temperatures.
STABILITY: Stable.

INCOMPATIBILITY: Strong oxidizing agents, strong alkalies, strong
acids. 
HAZARDOUS DECOMPOSITION PRODUCTS: Carbon monoxide, carbon dioxide,
aldehydes
HAZARDOUS POLYMERIZATION: Will not occur.
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TOXICOLOGICAL INFORMATION
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ACUTE ORAL EFFECTS(LD50): (Rat) Ranges from 2000 to greater than
5000 mg/kg (components)

ACUTE DERMAL TOXICITY(LD50): (Rabbit)Greater than 2000 mg/kg(components)

INHALATION TOXICITY(LC50): (Mouse) Greater than 3500 ppm (4 
hr)(component). 
SENSITIZATION: (Human) Sensitizer (components)
SKIN IRRITATION: (Rabbit) irritant (component)
EYE IRRITATION: (Rabbit) Moderate irritation (component)

DISPOSAL CONSIDERATIONS

Dispose in accordance with Federal, State and local regulations.

TRANSPORT INFORMATION
DEPT. OF TRANSPORTATION: Combustible liquid (not applicable in 
containers a rated capacity of 119 gallons 
or less).
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REGULATORY INFORMATION
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OSHA STATUS: 
This Material Safety Data Sheet has been prepared in compliance
with the Federal OSHA Hazard Communication Standard 29 CFR 1910.1200.
This product is considered to be a hazardous chemical
under that standard.

TSCA INVENTORY STATUS: Chemical components listed on TSCA Inventory.

TSCA 12(b) EXPORT NOTIFICATION:
This product contains chemical(s) which is (are) regulated by TSCA
12(b) Regulation and it is required that proper export notification
shall be sent to EPA prior to shipping out of the United States.

CAS NUMBER: 1675-54-3
CHEMICAL NAME: Bisphenol A Diglycidyl Ether

SARA TITLE III: SECTION 313 TOXIC CHEMICAL(s):
This product does not contain a toxic chemical for routine annual
"Toxic Chemical Release Reporting under Sec. 313 (40 CFR 372)

RCRA: Not a hazardous waste under RCRA (40 CFR 261)
CERCLA: Not listed.
CANADIAN INVENTORY STATUS (CEPA): All components included on the
Domestic Substances List (DSL).

CALIFORNIA PROPOSITION 65: WARNING! This product contains a chemical
known to the state of California to cause cancer and birth defects
or
other reproductive harm.

CHEMICAL NAME: Epichlorohydrin
CONCENTRATION: 500 ppm Maximum

NEW JERSEY RIGHT-to-KNOW: The following is required composition
information. 
CAS NUMBER: 25068-38-6
CHEMICAL NAME: Phenol, 4,4' (1-methylethylidene)bis-,polymer with
(chloromethyl) oxirane

CAS NUMBER: 2426-08-6
CHEMICAL NAME: Oxirane, (butoxymethyl)

PENNSYLVANIA RIGHT-to-KNOW: The following is required composition
information.
CAS NUMBER: 25068-38-6
CHEMICAL NAME: Phenol,4,4'-(1-methylethylidene)bis, polymer with
(chloromethyl)oxirane
COMMON NAME: Bisphenol A Epoxy Resin
COMMENT: Not on Pennsylvania Hazardous Substance List.

CAS NUMBER: 2426-08-6
CHEMICAL NAME: Oxirane,(butoxymethyl)-
COMMENT:  Hazardous Substance.

CAS NUMBER: 106-89-8
CHEMICAL NAME: Oxirane,(chloromethyl)-
COMMON NAME: Epichlorohydrin
COMMENT: Environmental and Special Hazard