MATERIAL SAFETY DATA SHEET
Ashland Page 001
Date Prepared: 08/18/04
Date Printed: 09/14/04
MSDS No: 306.0137221-008.004
AMERSTAT 251 MICROBIOCIDE
1. CHEMICAL PRODUCT AND COMPANY IDENTIFICATION
Material Identity
Product Name: AMERSTAT 251 MICROBIOCIDE
General or Generic ID: MICROBIOCIDE
Company Emergency Telephone Number:
Ashland 1-800-ASHLAND (1-800-274-5263)
Ashland Distribution Co. & 24 hours everyday
Ashland Specialty Chemical Co.
P. O. Box 2219 Regulatory Information Number:
1-800-325-3751
Columbus, OH 43216
614-790-3333
2. COMPOSITION/INFORMATION ON INGREDIENTS
CAS Number
Ingredient(s) % (by weight)
-------------
MAGNESIUM NITRATE 1.0- 7.0
10377-60-3
5-CHLORO-2-METHYL-4-ISOTHIAZOLIN-3-0NE 1.1
26172-55-4
MAGNESIUM CHLORIDE 0.4- 5.0
7786-30-3
2-METHYL-4-ISOTHIAZOLIN-3-0NE 0.4
2682-20-4
CUPRIC NITRATE 0.1- 0.2
3251-23-8
3. HAZARDS IDENTIFICATION
Potential Health Effects
Eye
Can cause permanent eye injury. Symptoms include stinging,
tearing, redness, and swelling of eyes. Can injure the cornea and
cause blindness.
Skin
Can cause permanent skin damage. Symptoms may include redness,
burning, and swelling of skin, burns, and other skin damage.
Additional symptoms of skin contact may include: allergic skin
reaction (delayed skin rash which may be followed by blistering,
scaling and other skin effects), Passage of this material into the
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body through the skin is possible, and skin contact may be
harmful.
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MATERIAL SAFETY DATA SHEET
Ashland Page 002
Date Prepared: 08/18/04
Date Printed: 09/14/04
MSDS No: 306.0137221-008.004
AMERSTAT 251 MICROBIOCIDE
Swallowing
Swallowing this material may be harmful or fatal. Symptoms may
include severe stomach and intestinal irritation (nausea,
vomiting, diarrhea), abdominal pain, and vomiting of blood.
Swallowing this material may cause burns and destroy tissue in the
mouth, throat, and digestive tract. Low blood pressure and shock
may occur as a result of severe tissue injury.
Inhalation
Breathing this material may be harmful or fatal.
Symptoms of Exposure
Signs and symptoms of exposure to this material through breathing,
swallowing, and/or passage of the material through the skin may
include: skin rash, stomach or intestinal upset (nausea,
vomiting, diarrhea), irritation (nose, throat, airways), cough,
choking.
Target Organ Effects
No data
Developmental Information
Based on the available information, risk to the fetus from
maternal exposure to this material cannot be assessed.
Cancer Information
This material is not listed as a carcinogen by the International
Agency for Research on Cancer, the National Toxicology Program, or
the Occupational Safety and Health Administration.
Other Health Effects
No data
Primary Route(s) of Entry
Inhalation, Skin absorption, Skin contact, Eye contact, Ingestion.
4. FIRST AID MEASURES
Eyes
If material gets into the eyes, immediately flush eyes gently with
water for at least 15 minutes while holding eyelids apart. If
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symptoms develop as a result of vapor exposure, immediately move
individual away from exposure and into fresh air before flushing
as recommended above. Seek immediate medical attention.
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MATERIAL SAFETY DATA SHEET
Ashland Page 003
Date Prepared: 08/18/04
Date printed: 09/14/04
MSDS No: 306.0137221-008.004
AMERSTAT 251 MICROBIOCIDE
Skin
Immediately flush skin with water for at least 15 minutes while
removing contaminated clothing and shoes. Seek immediate medical
attention. Wash clothing before reuse and discard contaminated
shoes.
Swallowing
Seek immediate medical attention. Do not induce vomiting.
Vomiting will cause further damage to the mouth and throat. If
individual is conscious and alert, immediately rinse mouth with
water and give milk or water to drink. If possible, do not leave
individual unattended.
Inhalation
If symptoms develop, immediately move individual away from
exposure and into fresh air. Seek immediate medical attention;
keep person warm and quiet. If person is not breathing, begin
artificial respiration. If breathing is difficult, administer
oxygen.
Note to Physicians
probable mucosal damage may contraindicate the use of gastric
lavage. Measures against circulatory shock, respiratory
depression and convulsions may be needed. preexisting disorders
of the following organs (or organ systems) may be aggravated by
exposure to this material: skin, lung (for example, asthma-like
conditions), eye.
5. FIRE FIGHTING MEASURES
Flash Point
Not applicable
Explosive Limit
Not applicable
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MATERIAL SAFETY DATA SHEET
Ashland Page 004
Date Prepared: 08/18/04
Date Printed: 09/14/04
MSDS No: 306.0137221-008.004
AMERSTAT 251 MICROBIOCIDE
Autoignition Temperature
No data
Hazardous Products of Combustion
May form: hydrogen chloride, nitrogen oxides, sulfur oxides.
Fire and Explosion Hazards
No data
Extinguishing Media
No data
Fire Fighting Instructions
Water may be used to keep fire-exposed containers cool until fire
is out. Wear a self-contained breathing apparatus with a full
facepiece operated in the positive pressure demand mode with
appropriate turn-out gear and chemical resistant personal
protective equipment. Refer to the personal protective equipment
section of this MSDS. No special precautions necessary when
fighting fires involving this product.
NFPA Rating
- 3, Flammability - 0, Reactivity
Health 0
-
6. ACCIDENTAL RELEASE MEASURES
Small Spill
Absorb liquid on vermiculite, floor absorbent or other absorbent
material. Scoop or scrape up. Put in container for recovery or
disposal.
Large Spill
Persons not wearing protective equipment should be excluded from
area of spill until clean-up has been completed. Stop spill at
source. Dike to prevent spreading. Absorb with inert material.
The absorbent (and surface soil to a depth sufficient to remove
all microbiocide) is then shoveled into a pail or drum and treated
with enough decontaminant solution to wet the solid thoroughly.
Let these containers stand open for 48 hours to avoid the buildup
of pressure, then seal and dispose of by burying as landfill. The
decontaminated area is washed with additional decontaminant ..
solution and then flushed into a chemical or municipal sewer. Do
not discharge spills and cleaning runoffs into open bodies of
water. Remove clothing promptly; launder before reuse. Wash skin
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MATERIAL SAFETY DATA SHEET
Ashland Page 005
Date Prepared: 08/18/04
Date printed: 09/14/04
MSDS No: 306.0137221-008.004
AMERSTAT 251 MICROBIOCIDE
with soap and water. Decontaminant solution: sodium bisulfite
solutions (about 11% solids content) decompose the product
rapidly. Laboratory tests indicate that the microbiocide is
almost completely deactivated within 30 minutes when treated with
at least 4 equivalents of decontaminating solution. A volume
ratio of 20/1 decontaminant/active microbiocide is recommended.
The following solutions are acceptable decontaminants:
(weight = 1 pound) + water
Ingredient: sodium metabisulfite
(weight = 8 pounds). Solids content = 11.1%.
Total 9 pounds. pH
= 4.2. Ingredient: sodium bisulfite (weight 1 pound + water
(weight 8.3 pounds). Total 9.3 pounds. Solids content = 10.7%.
pH = 4.2. Ingredient: sodium sulfite (weight = 1 pound) + water
(weight = 7 pounds) + hydrochloric acid (37%) (weight = 0.67
Solids content = 9.5%. pH = 5-5.5.
pounds). Total 8.67 pounds.
Note: Decontaminant solution must have pH on the acid side; since
it is much less effective when alkaline. In converting sodium
sulfite to the bisulfite, dissolve the salt in water and slowly
add the acid with good agitation to prevent liberation of sulfur
dioxide caused by local excess of acid. Keep containers of
decontaminant solution closed or covered to reduce accumulation of
sulfur dioxide in the workplace (ACGIH Threshold Limit Value: 2
ppm). The solutions should be made fresh as needed. Personnel
making up or handling decontaminant solutions should wear goggles
or face shield and rubber gloves.
7. HANDLING AND STORAGE
Handling
Containers of this material may be hazardous when emptied. Since
emptied containers retain product residues (vapor, liquid, and/or
solid), all hazard precautions given in the data sheet must be
observed.
8. EXPOSURE CONTROLS/PERSONAL PROTECTION
Eye Protection
Chemical splash goggles and face shield (8" min.) in compliance
with OSHA regulations are advised; however, OSHA regulations also
permit other type safety glasses. (Consult your industrial ..
hygienist. )
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MATERIAL SAFETY DATA SHEET
Ashland Page 006
Date Prepared: 08/18/04
Date Printed: 09/14/04
MSDS No: 306.0137221-008.004
AMERSTAT 251 MICROBIOCIDE
Skin Protection
Wear resistant gloves such as: nitrile rubber, butyl rubber, Wear
normal work clothing covering arms and legs. Wear
chemical-resistant apron, or in emergency conditions,
chemical-resistant clothing and boots. Other protective
equipment: eyewash station, emergency shower.
Respiratory Protections
If workplace exposure limit(s) of product or any component is
exceeded (see exposure guidelines), a NIOSH/MSHA approved air
supplied respirator is advised in absence of proper environmental
control. OSHA regulations also permit other NIOSH/MSHA
respirators (negative pressure type) under specified conditions
(see your industrial hygienist). Engineering or administrative
controls should be implemented to reduce exposure.
Engineering Controls
Provide sufficient mechanical (general and/or local exhaust)
ventilation to maintain exposure below TLV(s).
Exposure Guidelines
Component
----------
MAGNESIUM NITRATE (10377-60-3)
No exposure limits established
5-CHLORO-2-METHYL-4-ISOTHIAZOLIN-3-0NE (26172-55-4)
OTHER LIMIT 0.076 mg/m3 - TWA
OTHER LIMIT 0.230 mg/m3 - STEL
MAGNESIUM CHLORIDE (7786-30-3)
No exposure limits established
2-METHYL-4-ISOTHIAZOLIN-3-0NE (2682-20-4)
OTHER LIMIT 1.500 mg/m3 TWA
-
OTHER LIMIT 4.500 mg/m3 STEL
-
CUPRIC NITRATE (3251-23-8)
No exposure limits established
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MATERIAL SAFETY DATA SHEET
Ashland Page 007
Date Prepared: 08/18/04
Date printed: 09/14/04
MSDS No: 306.0137221-008.004
AMERSTAT 251 MICROBIOCIDE
9. PHYSICAL AND CHEMICAL PROPERTIES
Boiling Point
No data
Vapor Pressure
No data
Specific Vapor Density
> 1.000 @ AIR=l
Specific Gravity
1.010 - 1.030 @ 77.00 F
Liquid Density
8.400 - 8.570 lbs/gal @ 77.00 F
1.010 - 1.030 kg/l @ 25.00 C
Percent Volatiles
- 100.0 %
85.0
Volatile Organic Compounds (VOC)
< .010 %
Evaporation Rate
SLOWER ETHYL ETHER
THAN
Appearance
CLEAR
State
LIQUID
Physical Form
HOMOGENEOUS SOLUTION
Color
LIGHT GREEN YELLOW
.....
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MATERIAL SAFETY DATA SHEET
Ashland Page 008
Date Prepared: 08/18/04
Date Printed: 09/14/04
MSDS No: 306.0137221-008.004
AMERSTAT 251 MICROBIOCIDE
Odor
No data
pH
-
2.0 5.0
10. STABILITY AND REACTIVITY
Hazardous Polymerization
Product will not undergo hazardous polymerization.
Hazardous Decomposition
May form: hydrogen chloride, nitrogen oxides, sulfur oxides.
Chemical Stability
Stable.
Incompatibility
Avoid contact with: amines, reducing agents, strong oxidizing
agents.
11. TOXICOLOGICAL INFORMATION
LD 50 and LC 50 Data
5-CHLORO-2-METHYL-4-ISOTHIAZOLIN-3-0NE (CAS# 26172-55-4)
Oral LD50 (rat): 3864 mg/kg
Dermal LD50: Not available
Inhalation LC50: Not available
12. ECOLOGICAL INFORMATION
Ecotoxicological Information
This material (or a component) is toxic to fish and aquatic
organisms.
for additional information.
Contact your sales representative
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MATERIAL SAFETY DATA SHEET
Ashland Page 009
Date Prepared: 08/18/04
Date Printed: 09/14/04
MSDS No: 306.0137221-008.004
AMERSTAT 251 MICROBIOCIDE
13. DISPOSAL CONSIDERATION
Waste Management Information
Deposit in a landfill in accordance with local, state and federal
regulations. For assistance with your waste management needs -
including disposal, recycling and waste stream reduction, contact
Ashland Distribution Company, IC&S Environmental Services Group at
800-637-7922.
14. TRANSPORT INFORMATION
-
DOT Information 49 CFR 172.101
DOT Description:
CORROSIVE LIQUID, ACIDIC, ORGANIC, N.O.S.,8,UN3265,II
Container/Mode:
55 GAL DRUM/TRUCK PACKAGE
NOS Component:
5-CHLORO-2-METHYL-4-ISOTHIAZOLIN-3-0NE
RQ (Reportable Quantity) - 49 CFR 172.101
Not applicable
Other Transportation Information
The Transport Information may vary with the container and mode of
shipment.
15. REGULATORY INFORMATION
US Federal Regulations
CERCLA RQ 40 CFR 302.4(a)
-
Component RQ (lbs)
---------
CUPRIC NITRATE 100
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MATERIAL SAFETY DATA SHEET
Ashland Page 010
Date Prepared: 08/18/04
Date Printed: 09/14/04
MSDS No: 306.0137221-008.004
AMERSTAT 251 MICROBIOCIDE
CERCLA RQ - 40 CFR 302.4(b)
This material has a RQ of 100 lbs as a DO02 Corrosive
unlisted hazardous substance.
- 40 CFR 355 Appendix A
SARA 302 Components
None
Section 311/312 Hazard Class 40 CFR 370.2
-
Sudden
Immediate (X) Delayed() Fire() Reactive()
Release of Pressure ( )
SARA 313 Components 40 CFR 372.65
-
None
OSHA Process Safety Management 29 CFR 1910
None listed
EPA Accidental Release Prevention 40 CFR 68
None listed
International Regulations
Inventory Status
DSL (CANADA) The intentional ingredients of this product are
listed.
EINECS (EUROPE) This product complies with the Chemical
Substance Inventory requirements.
State and Local Regulations
California Proposition 65
The following statement is made in order to comply with the
California Safe Drinking Water and Toxic Enforcement Act of
1986: This product contains the following substance(s) known to
the state of California to cause cancer.
LEAD
The following statement is made in order to comply with the
California Safe Drinking Water and Toxic Enforcement Act of
1986: This product contains the following substance(s) known to
the state of California to cause reproductive harm.
LEAD
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MATERIAL SAFETY DATA SHEET
Ashland Page 011
Date Prepared: 08/18/04
Date Printed: 09/14/04
MSDS No: 306.0137221-008.004
AMERSTAT 251 MICROBIOCIDE
New Jersey RTK Label Information
10377-60-3
MAGNESIUM NITRATE
Pennsylvania RTK Label Information
10377-60-3
NITRIC ACID, MAGNESIUM SALT
16. OTHER INFORMATION
It is a violation of federal law to use this product in a manner
inconsistent with its labeling. The information accumulated
herein is believed to be accurate but is not warranted to be
whether originating with the company or not. Recipients are
advised to confirm in advance of need that the information is
current, applicable, and suitable to their circumstances.
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