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Sheet 1 OF 2a Thermo Electron business

500 Cummings Center

Beverly, MA 01915-6199 USA

Telephone 978-232-6000

MATERIAL SAFETY DATA SHEET

I. PRODUCT IDENTIFICATIONProduct Name: Catalog No. 967961 Effective Date

ORP Standard 967901 2/16/01

Hazardous DOT IATA

Shipment Labeling: None None

TitlePrepared By

Quality Assurance Chemist

TitleApproved By

Director Regulatory Matters

II. HAZARDOUS INGREDIENTS (IDENTIFY INFORMATION)

LDLO

Hazardous Components *

Specific Chemical Identity: Common Name(s)

CAS NO. % OSHA PEL ACGIH TLV

mg/Kg

Potassium Iodide (KI) 7681-11-0 40 None Listed None Listed

120

(IVN-RAT)

Trade Secret - Chemical Identity Withheld

***Aqueous mixture of non-hazardous proprietary

ingredients not found on the most recent

Massachusetts substance list.

Trade Secrect 60 None Listed None Listed None Listed

III. PHYSICAL DATABoiling Point 750mm Hg 106C Freezing Point -6C

Specific Gravity (H2O=1)1.08

Vapor Pressure @ 25CNA**

pH @ 25C(6.98-7.02)

Solubility In Water, % by Wt @ 25CMiscible

Volatiles % By Wt. NA Evaporation Rate (BUTYL, ACETATE = 1) NA

Vapor Density (AIR = 1) NA

Appearance and Odor Dark Amber Solution

IV. FIRE AND EXPLOSION HAZARD DATAFlash Point (Test Method) Autoignition Temperature

NA NA

Flammable Limits Lower Upper

in air, % by volume: NA NA

Extinguishing Media Dry chemical, water, foam, or CO2

Special Fire-Fighting Procedures Wear Self-contained breathing apparatus.

Unusual Fire and Explosion Hazards

Toxic K2O and I2 fumes may be released during a fire.

*Chemicals which are not classified as hazardous Liability is expressly disclaimed for any loss or Document No. 232162-001

per U.S. OSHA guidelines (29CFR Parts 1915.2 injury arising out of the use of this information Rev . B

or 1916.2) or the Massachusetts Substance List or the use of any materials designated. Safe use

(105CMR670.000 Appendix A) will not of the materials is the responsibility of the user.

necessarily be listed on this form even though

one or more may be a constituent of this product

** NA Not available/not applicable Printed in U.S.A.

*** Non-hazardous component Form MSDS/1192

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Sheet 2 OF 2a Thermo Electron business

MATERIAL SAFETY DATA SHEET

PRODUCT NAME: ORP Standard Catalog No.: 967961, 967901

V. REACTIVITY DATAStability: Conditions to Avoid

Unstable Stable X None

Incompatibility (Materials to avoid)

Incompatible with oxidants, metallic salts, calomel.

Hazardous Decomposition Products When heated emits K2O and I-

Hazardous Polymerization: Condition to Avoid

May Occur Will Not Occur X None

VI. HEALTH HAZARD DATARoute(s) Of Entry: Inhalation? Skin? Ingestion?

No No Yes

Health Hazards (acute and chronic)

Moderately toxic by ingestion. May irritate eyes or skin.

Carcinogenicity: NTP? IARC Monographs? OSHA Regulated?

Not found on these lists.

Signs and Symptoms of Exposure

Itching of skin, irritation of eyes if allowed to come in direct contact.

Medical Conditions Generally Aggravated by Exposure Cause stinging in an open cut.

Emergency And First Aid Procedures Eyes Irrigate with water. Skin Wash with soap and water.

If ingested dilute with large amounts of water. Get medical attention for eyes or internal exposure.

VII. PRECAUTIONS (SAFE HANDLING AND USE)

Steps To be Taken In Case Material Is Released or Spilled Clean up and set aside for waste disposal.

Waste Disposal Method

Observe all Federal, State and local laws when disposing of this product..

Precautions To Be Taken In Handling and Storing

None, product is a low hazard. NFPA rating: Scale (0-4); Health 2, Fire - 0, Reactivity - 0, Specific - None.

Other Precautions

Keep closure sealed and store at room temperature to protect product integrity. This product is not affected by SARA TITLE III: Not found on CAL

Prop 65. Components are listed in EPA TSCA inventory.

VIII. CONTROL MEASURES

Respiratory Protection (specify type)

None

Ventilation Local Exhaust Special

None None

Ventilation Mechanical (General) Other

None None

Protective Gloves Yes Eye Protection Safety glasses

Other Protective Clothing Or Equipment

None

Work/Hygienic Practices

Emergency eye wash should be available. Wash off hands after working with this product.