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LITHIUM HYPOCHLORITE FOR POOL AND SPA SANITATION
QS-PDS-1200 Revision: 00
Chemical Name
Formula
CAS No. 13840-33-0
FMC Product Code No. 408-01
Lithium hypochlorite
LiOCl (35% available chloride)
Appearance
Free-flowing, white granules
Application
For Swimming Pool/Spa Sanitation and Algae Control
EPA Reg. No, 7675-6 Repack
EPA Reg. No. 7675-1 End Uses
Usage Levels and Benefits
Lithium hypochlorite, a granular chlorine product for swimming pools and spas,
is used as a premium shock that maintains the chemical balance of the water.
The most common usage level of lithium hypochlorite shock recommended is 1
lb per 10,000 gallons of water. However, for efficient shocking amount used
should be adjusted according to conditions. In water that is heavily soiled usage
may need to be increased to 1 lb for each 6,000 – 7,500 gallons.
Under normal conditions lithium hypochlorite dissolves completely in about 60
seconds. It’s not affected by typical temperatures, pH levels or hardness. Its
free-flowing action assures maximum chlorine delivery. Lithium hypochlorite will
not injure any sensitive surfaces such as vinyl-lined, fiberglass or plaster pools
and spas. Excellent for superchlorination.
Used regularly, lithium hypochlorite will sharply decrease the frequency of
fouled chemical feed pumps, clogged filters, undesired backwashes, and
expensive repair and replacements. Unlike a number of competitive products, it
will not bleach vinyl liners, and will minimize unsightly calcium deposits.
Lithium hypochlorite, being 100 times more soluble than calcium hydroxide and
1000 times for soluble than calcium carbonate, is completely soluble and will
not produce cloudiness, residue or scale. Since lithium hypochlorite contains
extremely small amounts of hydroxides and carbonates (chemicals that
increase pH, increase total alkalinity and can cause eye and skin irritation),
there is almost no effects to the balanced water:

pH – none to slight

Total Alkalinity – no effect

Calcium Hardness – no effect

Stabilizer (Cyanuric acid) – no effect
In fact, shock doses up to 100 ppm chlorine with lithium can be added to most
pools or spas without changing the pH.
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AND HEADQUARTERS
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Merseyside
CH62 3NL, England
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FMC Lithium
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107-0061, Japan
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F: +81.3.3402.3700
CHINA
FMC Lithium
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Shanghai 200051 P. R. China
T: +86.21.6235.1919
T: +86.21.6235.1917
INDIA
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Embassy Star
8, Palace Road
High Grounds
Bangalore 560052, India
T: +91.80.2238.4311
F: +91.80.2238.5255
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Sec. 1
Taipei, Taiwan
T: +866.2.2705.4400
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1.888.lithium
LITHIUM HYPOCHLORITE FOR POOL AND SPA SANITATION
Product Specifications
CAS No. 13840-33-0
Guaranteed
Available chloride*, wt%
H2O
35.0 – 39.0
9 max
*Lithium hypochlorite has excellent stability during storage when properly
packaged to protect it from moisture and carbon dioxide. A loss of about 0,2%
available chloride per month can be expected under normal conditions of
storage.
Other Data
Typical
Bulk Density
Particle Size (-100 mesh)
0.98 g/cm3
< 1 wt%
o
Physical Properties
Solubility rate (250 ppm available chlorine in water) 30 sec. at 75 F
o
15 sec. at 100 F
o
pH of water solution at 25 C
Available chlorine pH
100 ppm
9.9
200 ppm
10.3
400 ppm
10.7
Toxicity/Safety Data
Oxidizer; white granular solid with burning, chloride-like odor. Corrosive to eyes
(may cause blindness), skin, respiratory tract, mucous membranes. Do not get
in eyes, on skin or clothing. Avoid breathing dust. Wash thoroughly after
handling.
ADDITIONAL INFORMATION ON TOXICITY AND SAFETY IS CONTAINED IN
THE MATERIAL SAFETY DATA SHEET (MSDS) AVAILABLE ON THIS
PRODUCT.
Safety/Handling/Storage
Shipping Containers
Keep combustibles (wood, paper, oil etc.) away from spilled material. With
clean shovel, place into clean dry container, and cover loosely. Dispose of
waste according to local and Federal laws and regulations.
Lithium hypochlorite is packages and shipped in polyethylene-lined fiber drums
containing 100 or 400 pounds (45.5 or 181.8 kg) of product and in 2000 lb. lined
supersacks.
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LITHIUM HYPOCHLORITE FOR POOL AND SPA SANITATION
Shipping Limitations
CAS No. 13840-33-0
Shipments of lithium hypochlorite are described as “UN1479, OXIDIZING
SOLID, N.O.S. (LITHIUM HYPOCHLORITE, MIXTURE) 5.1, PG III.”
and require “Oxidizing Agent” labels.
Post
Parcel, Air
Sea
Road, Rail
Not acceptable
Restricted quantities
Class 5.1 restricted quantities (IMDG)
Class 5.1 restricted quantities (RID/ADR)
EPA Reg. No. 7675-1* Swimming pool use, for final sale in original
shipping container.
EPA Reg. No. 7675-6* Swimming pool use, for repacking use only.
®
Responsible Care initiative dictates that all shipments of lithium chemicals must
be transported in an approved vehicle in a responsible manner (i.e., no flat bed
trucks).
*Due to EPA regulations and labeling requirements, lithium hypochlorite packaged for swimming/spa
sanitation can algae control cannot be used for industrial sanitation.
© 2001 FMC © © 2009 FMC Corporation. All rights reserved
.
The FMC logo is a registered trademark of FMC Corp. The Responsible Care logo is a registered trademark of the American Chemistry Council.
The information contained herein is, to our knowledge, true and accurate. While this material is furnished in good faith, no warranty expressed or implied, of merchantability, completeness, fitness or otherwise is made. This material is offered
only for your consideration, investigation and verification, and FMC Corporation disclaims any liability incurred from the use thereof and shall not in any event, be liable for any special, incidental or consequential damages arising from such
use. This information is not intended to be all inclusive and the manner and conditions of use and handling of any material may involve other or additional considerations specific to the use or user. Nothing herein should be construed as
permission or recommendation to infringe any patent or as to any specific use. No agent, representative or employee of this company is authorized to vary any term of this notice.