MSDS

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MATERIAL SAFETY DATA SHEET

STRUCTO-LITE® Basecoat

MSDS #53-100-219

Page 1 of 8

53100219

SECTION 1

CHEMICAL PRODUCT AND IDENTIFICATION

United States Gypsum Company

550 West Adams Street

Chicago, Illinois 60661-3637

A Subsidiary of USG Corporation

Product Safety: 1 (800) 507-8899

www.usg.com

Version Date: January 1, 2011

Version: 3

PRODUCT(S)

STRUCTO-LITE® Basecoat

CHEMICAL FAMILY /

GENERAL CATEGORY

Construction Plasters

SYNONYMS

Formulated product containing Plaster of Paris (Calcium Sulfate Hemihydrate)

(CaSO4•½H2O)

SECTION 2

HAZARD IDENTIFICATION

EMERGENCY OVERVIEW:

ΔWARNING!

This product is not expected to produce any unusual hazards during normal use. Exposure to high dust levels may

irritate the skin, eyes, nose, throat, or upper respiratory tract.

POTENTIAL HEALTH EFFECTS (See Section 11 for more information)

ACUTE :

Inhalation

Exposure to dust generated during the handling or use of the product may cause temporary irritation

to eyes, skin, nose, throat, and upper respiratory tract. Persons subjected to large amounts of this

dust will be forced to leave area because of nuisance conditions such as coughing, sneezing and

nasal irritation. Labored breathing may occur after excessive inhalation. If respiratory symptoms

persist, consult physician.

Eyes

Dust can cause temporary mechanical irritation of eyes. If burning, redness, itching, pain or other

symptoms persist or develop, consult physician.

Skin

None known.

Ingestion

None known.

CHRONIC:

Inhalation

Exposures to respirable crystalline silica are not expected during the normal use of this product;

however, actual levels must be determined by workplace hygiene testing. Prolonged and repeated

exposure to airborne free respirable crystalline silica can result in lung disease (i.e., silicosis) and/or

lung cancer. The development of silicosis may increase the risks of additional health effects. The risk

of developing silicosis is dependent upon the exposure intensity and duration.

Eyes

None known.

Skin

None known.

Ingestion

None known.

TARGET ORGANS: Eyes, skin and respiratory system.

PRIMARY ROUTES OF ENTRY: Inhalation, eyes and skin contact.

Summary of content (8 pages)

PAGE 1
MATERIAL SAFETY DATA SHEET STRUCTO-LITE® Basecoat MSDS #53-100-219 Page 1 of 8 53100219 SECTION 1 CHEMICAL PRODUCT AND IDENTIFICATION United States Gypsum Company 550 West Adams Street Chicago, Illinois 60661-3637 A Subsidiary of USG Corporation PRODUCT(S) Product Safety: 1 (800) 507-8899 www.usg.
PAGE 2
MATERIAL SAFETY DATA SHEET MSDS #53-100-219 Page 2 of 8 STRUCTO-LITE® Basecoat CARCINOGENICITY CLASSIFICATION OF INGREDIENT(S) All substances listed are associated with the nature of the raw materials used in the manufacture of this product and are not independent components of the product formulation. All substances, if present, are at levels well below regulatory limits. See Section 11: Toxicology Information for detailed information.
PAGE 3
MATERIAL SAFETY DATA SHEET MSDS #53-100-219 Page 3 of 8 STRUCTO-LITE® Basecoat region. Drinking gelatin solutions or large volumes of water may delay setting. MEDICAL CONDITIONS WHICH MAY BE AGGRAVATED: Pre-existing upper respiratory and lung diseases such as, but not limited to, bronchitis, emphysema and asthma. Pre-existing skin diseases such as, but not limited to, rashes and dermatitis. NOTES TO PHYSICIAN: Treatment should be directed at the control of symptoms and the clinical condition.
PAGE 4
MATERIAL SAFETY DATA SHEET MSDS #53-100-219 Page 4 of 8 STRUCTO-LITE® Basecoat SECTION 8 EXPOSURE CONTROLS/PERSONAL PROTECTION MATERIAL 3 WT% Plaster of Paris (CaSO4•½H2O) Expanded Perlite Crystalline Silica >75 <25 <5 TLV (mg/m ) 10 10 0.025(R) 3 PEL( mg/m ) 15(T)/5(R) 15(T)/5(R) 0.
PAGE 5
MATERIAL SAFETY DATA SHEET MSDS #53-100-219 Page 5 of 8 STRUCTO-LITE® Basecoat Evaporation Rate (BuAc = 1) Not Applicable Molecular Weight ~ 145 g/mole (Plaster of Paris) Upper Flammable Limit (UFL) Not Determined VOC Content Zero g/L Lower Flammable Limit (LFL) Not Determined Percent Volatile Zero Vapor Pressure (mm Hg) Not Applicable SECTION 10 CHEMICAL STABILITY AND REACTIVITY STABILITY Stable. CONDITIONS TO AVOID Contact with acids, water, high humidity. INCOMPATIBILITY Acids.
PAGE 6
MATERIAL SAFETY DATA SHEET MSDS #53-100-219 Page 6 of 8 STRUCTO-LITE® Basecoat SECTION 12 ECOLOGICAL INFORMATION ENVIRONMENTAL TOXICITY: This product has no known adverse effect on ecology. Toxicity studies performed with fish, aquatic invertebrates and aquatic plants showed no toxic effect. Ecotoxicity value Not determined. SECTION 13 DISPOSAL CONSIDERATIONS WASTE DISPOSAL METHOD: Dispose of material in accordance with federal, state, and local regulations.
PAGE 7
MATERIAL SAFETY DATA SHEET MSDS #53-100-219 Page 7 of 8 STRUCTO-LITE® Basecoat Plaster of Paris (CaSO4•½H2O) Expanded Perlite Crystalline Silica Key : >75 <25 <5 NL NL NL NL NL NL NL NL NL NL NL NL NL NL NL NL NL NL NL = Not Listed SARA Title III Section 302 (EPCRA) Extremely Hazardous Substances: Threshold Planning Quantity (TPQ) SARA Title III Section 304 (EPCRA) Extremely Hazardous Substances: Reportable Quantity (RQ) SARA Title III Section 313 (EPCRA) Toxic Chemicals: X= Subject to reporting u
PAGE 8
MATERIAL SAFETY DATA SHEET MSDS #53-100-219 Page 8 of 8 STRUCTO-LITE® Basecoat INFORMATION FOR HANDLING AND IDENTIFICATION OF CHEMICAL HAZARDS 0 NFPA Ratings: Health: Fire: Reactivity: HEALTH 1 1 * FLAMMABILITY 1 0 PHYSICAL HAZARD 1 PERSONAL PROTECTION E HMIS Ratings: 0 0 0 Health: Fire: Reactivity: 1 0 1 0 = Minimal Hazard 1 = Slight Hazard 2 = Moderate Hazard 3 = Serious Hazard 4 = Severe Hazard E – Safety glasses, gloves and dust respirator; * - Contains silica Key/Legend ANSI Ameri