MSDS

MATERIAL SAFETY
DATA SHEET
HTH DE FILTER AID
REVISION DATE : 09/27/2010 Page 1 of 12
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PRODUCT NAME: HTH DE FILTER AID
1. PRODUCT AND COMPANY IDENTIFICATION
Arch Chemicals, Inc.
501 Merritt 7 PO Box 5204
Norwalk, CT 06856-5204
REVISION DATE: 09/27/2010
SUPERCEDES: 02/09/2010
MSDS Number: 000000001253
SYNONYMS: Diatomaceous Earth, D.E.
CHEMICAL FAMILY: Silica
DESCRIPTION / USE Filter medium for spas and swimming
pools.
FORMULA: SiO2
2. HAZARDS IDENTIFICATION
OSHA Hazard
Classification:
Possible respiratory irritant, Lung toxin, Carcinogen
Routes of Entry: Inhalation
Chemical Interactions: No known or reported interactions.
Medical Conditions Aggravated: Inhalation of the dust from this material at concentrations above
the TLV can aggravate pre-existing upper respiratory and lung
diseases such as bronchitis, emphysema and asthma.
Human Threshold Response Data
Odor Threshold
Not established for product.
Irritation Threshold
Not established for product.

Summary of content (12 pages)