MATERIAL SAFETY DATA SHEET

Product: DOWFROST* HD HEAT TRANSFER FLUID, DYED

Product Code: 04632

Effective Date: 02/20/01, Date Printed: 07/10/02, MSD: 002239

EXPOSURE GUIDELINES: Propylene glycol: AIHA WEEL is 50 ppm total, 10 mg/m3 aerosol only.

9.PHYSICAL AND CHEMICAL PROPERTIES

APPEARANCE/PHYSICAL STATE:

Clear yellow liquid.

ODOUR:

Odourless

VAPOUR PRESSURE:

0.22 mmHg @ 20EC

VAPOUR DENSITY:

2.6

BOILING POINT:

320EF, 160EC

SOLUBILITY IN WATER/MISCIBILITY:

Complete

SPECIFIC GRAVITY OR DENSITY:

1.058 @ 25/25EC

10.STABILITY AND REACTIVITY

CHEMICAL STABILITY: Thermally stable at typical use temperatures.

CONDITIONS TO AVOID: Avoid use temperatures above 450EF, 232EC. Product can degrade at elevated temperatures. Generation of gas during decomposition can cause pressure in closed systems.

INCOMPATIBILITY WITH OTHER MATERIALS: Avoid contact with oxidizing materials. Avoid contact with strong acids

HAZARDOUS DECOMPOSITION PRODUCTS: Hazardous decomposition products depend upon temperature, air supply and the presence of other materials.

HAZARDOUS POLYMERIZATION: Will not occur.

11.TOXICOLOGICAL INFORMATION (See Section 3 for Potential Health Effects. For detailed toxicological data, write or call the address or non-emergency number shown in Section 1).

SKIN: The LD50 for skin absorption in rabbits is >10,000 mg/kg.

* or (R) indicates a trademark of The Dow Chemical Company.

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Blodgett KLT-G Series manual Physical and Chemical Properties, Stability and Reactivity