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Home Products Manufacturers Ingredients Health Effects
Product Information
Product Name: National Gypsum Retarder-Old Product
Form: powder
Product Category: Home maintenance » retarder » Drywall-Wallboard
Customer Service: 800-628-4662
Date Entered: 2001-08-13
Related Items: Products with similar usage in this database
Manufacturer
Manufacturer: National Gypsum Company
Address: 2001 Rexford Road
City: Charlotte
State: NC
Zip Code: 28211
Telephone Number: 704-365-7300
Fax Number: 800-392-6421
Toll Free Number: 800-628-4662
Date Info Verified: 2014-05-06
Related Items: Products by this manufacturer
The following information (Health Effects, Handling/Disposal, and Ingredients) is taken from the product label and/or the Material Safety Data Sheet (MSDS) prepared by the manufacturer. The National Library of Medicine does not test products nor does it evaluate information from the product label or the MSDS. (What is an MSDS?)
Health Effects
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Acute Health Effects: From MSDS:It is recommended that a NIOSH approved respirator, for toxic dusts, be worn whenever working with this product results in airborne dust exposure exceeding the prescribed limits. Skin Contact: May cause irritation on contact with open wounds or prolonged contact. Eye Contact: Direct contact may cause chemical burns.Inhalation: Target Organ: respiratory system Medical Conditions Generally Aggravated by Exposure: Overexposure would generally aggravate respiratory system dysfunctions.
Chronic Health Effects: From MSDS:Continued and prolonged exposure to airborne dust concentrations in excess of the PEL/TLV may result in cough, dyspnea, wheezing, and impaired pulmonary function. Continued and prolonged contact may cause transient irritation to the skin.
Carcinogenicity: Quartz (crystalline silica) -The International Agency for Research on Cancer (IARC) classifies crystalline silica inhaled in the form of quartz or cristobalite from occupational sources as carcinogenic to humans, Group 1. The National Toxicology Program (NTP) classifies respirable crystalline silica as a substance which may be reasonably anticipated to be a carcinogen. OSHA does not regulate crystalline silica as a human carcinogen.
First Aid: Eye: Immediately flush eyes with water for 15 minutes and get medical attention. Skin: Flush and wash skin with soap and water. Get medical attention if irritation persists. Breathing: Move the exposed person to fresh air at once. If not breathing initiate pulmonary resuscitation. Get medical attention.
Health Rating: 1
Flammability Rating: 0
Reactivity Rating: 0
HMIS Rating Scale: 0 = Minimal; 1 = Slight; 2 = Moderate; 3 = Serious; 4 = Severe; 
N = No information provided by manufacturer; * = Chronic Health Hazard
MSDS Date: 2001-09-12
Handling/Disposal
Handling: Keep from getting wet to preserve usefulness.
Disposal: Not a hazardous waste. Dispose of in accordance with applicable federal, state, and local regulations.
Ingredients from MSDS/Label
ChemicalCAS No / Unique IDPercent
Calcium hydroxide001305-62-0
Calcium carbonate (Limestone)001317-65-3
Calcium sulfate dihydrate010101-41-4
Quartz014808-60-7
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