Material Safety Data Sheet
Section 1: Product & Company Identification
MARYKATE?Crystal LakesTM Hull & Bottom Cleaner
Product Name:
Product Number (s): MK7320
Manufactured By:
CRC Industries, Inc. General Information (215) 674-4300
885 Louis Drive Technical Assistance (800) 521-3168
Warminster, PA 18974 Customer Service (800) 272-4620
www.crcindustries.com 24-Hr Emergency (CHEMTREC) (800) 424-9300
Section 2: Hazards Identification
Emergency Overview
Appearance & Odor: White powder with a bland odor
DANGER
Corrosive to Skin and Eyes.
As defined by OSHA's Hazard Communication Standard, this product is hazardous.
Potential Health Effects:
May cause severe irritation, redness and blurred vision. Possible eye damage.
EYE:
May cause severe irritation, defatting, redness and possible skin burns.
SKIN:
May cause dizziness, irritation, and burns of the nose, throat, and respiratory tract.
INHALATION:
Exposure may cause coughing, wheezing and/or shortness of breath.
May cause burns, nausea, vomiting and abdominal cramps.
INGESTION:
May cause inflammation of the upper respiratory tract.
CHRONIC EFFECTS:
Kidney, eyes, skin
TARGET ORGANS:
Medical Conditions Aggravated by Exposure: Unknown
See Section 11 for toxicology and carcinogenicity information on product ingredients.
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Product Name: MARYKATE?Crystal LakesTM Hull & Bottom Cleaner
Product Number (s): MK7320
Section 3: Composition/Information on Ingredients
COMPONENT CAS NUMBER % by Wt.
Oxalic acid 144-62-7 > 99
Section 4: First Aid Measures
Immediately flush with plenty of water for 15 minutes. Call a physician if irritation persists.
Eye Contact:
Remove contaminated clothing and wash affected area with soap and water. Call a physician
Skin Contact:
if irritation persists. Wash contaminated clothing prior to re-use.
Remove person to fresh air. Keep person calm. If not breathing, give artificial respiration. If
Inhalation:
breathing is difficult give oxygen. Call a physician.
Do NOT induce vomiting. Give water to dilute if victim is conscious. Get medical attention
Ingestion:
immediately.
Treat symptomatically.
Note to Physicians:
Section 5: Fire-Fighting Measures
Flammable Properties: This product is a combustible solid.
Flash Point: None (TCC) Upper Explosive Limit: NA
Autoignition Temperature: ND Lower Explosive Limit: NA
Dry chemical, CO2, alcohol or polymer foam; class B extinguishers
Suitable Extinguishing Media:
Oxides of carbon, possible poisonous gases such as formic acid
Products of Combustion:
Firefighters should wear self-contained, NIOSH-approved breathing apparatus for
Protection of Fire-Fighters:
protection against suffocation and possible toxic decomposition products. Proper eye
and skin protection should be provided. Use water spray to keep fire-exposed
containers cool and to knock down vapors which may result from product
decomposition.
Section 6: Accidental Release Measures
Use personal protection recommended in Section 8.
Personal Precautions:
Take precautions to prevent contamination of ground and surface waters. Do not flush
Environmental Precautions:
into sewers or storm drains.
Remove all ignition sources. Ventilate the area with fresh air. If in confined
Methods for Containment & Clean-up:
space or limited air circulation area, clean-up workers should wear
appropriate respiratory protection. Sweep up or absorb spilled material
using an absorbent designed for chemical spills. Place used absorbents into
proper waste containers.
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Product Name: MARYKATE?Crystal LakesTM Hull & Bottom Cleaner
Product Number (s): MK7320
Section 7: Handling and Storage
Protect skin and eyes during use. Wash hands after use and before handling food.
Handling Procedures:
Store in a cool dry area out of direct sunlight. Keep containers closed when not in use.
Storage Procedures:
Keep out of reach of children and pets.
NA
Aerosol Storage Level:
Section 8: Exposure Controls/Personal Protection
Exposure Guidelines:
OSHA ACGIH OTHER
COMPONENT TWA STEL TWA STEL TWA SOURCE UNIT
mg/m3
Oxalic acid 1 NE 1 2 NE
N.E. ?Not Established (c) ?ceiling (s) ?skin (v) ?vacated
Area should have ventilation to provide fresh air. Local exhaust ventilation is generally
Engineering Controls:
preferred because it can control the emissions of the contaminant at the source, preventing
dispersion into the general work area. Use mechanical means if necessary to maintain
vapor levels below the exposure guidelines. If working in a confined space, follow
applicable OSHA regulations.
None required for normal work where adequate ventilation is provided. If engineering
Respiratory Protection:
controls are not feasible or if exposure exceeds the applicable exposure limits, use a
NIOSH-approved cartridge respirator with acid gas cartridge. Use a self-contained
breathing apparatus in confined spaces and for emergencies.
For normal conditions, wear safety glasses. Where there is reasonable probability of liquid
Eye/face Protection:
contact, wear splash-proof goggles.
Use protective gloves such as vinyl or rubber. Also, use full protective clothing if there is
Skin Protection:
prolonged or repeated contact of liquid with skin.
Section 9: Physical and Chemical Properties
Solid
Physical State:
White
Color:
Bland
Odor:
Specific Gravity: 1.65
Initial Boiling Point: ND
Freezing Point: NA
Vapor Pressure: ND
Vapor Density: > 1 (air = 1)
Evaporation Rate: < 1 (butyl acetate = 1)
Completely soluble in water
Solubility:
NA
pH:
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Product Name: MARYKATE?Crystal LakesTM Hull & Bottom Cleaner
Product Number (s): MK7320
0 0 0
Volatile Organic Compounds: lbs./gal:
wt %: g/L:
Section 10: Stability and Reactivity
Stable
Stability:
Heat and ignition sources
Conditions to Avoid:
Strong oxidizers, silver compounds, chlorites, sodium hypochlorite, acid chlorides, emtals
Incompatible Materials:
and alkali metals, and strong bases
Oxides of carbon, formic acid
Hazardous Decomposition Products:
No
Possibility of Hazardous Reactions:
Section 11: Toxicological Information
Long-term toxicological studies have not been conducted for this product. The following information is
available for components of this product.
ACUTE EFFECTS
Component Test Result Route Species
Oxalic acid LD50 7500 mg/kg Oral Rat
CHRONIC EFFECTS
Carcinogenicity:
Component Result
None listed
OSHA:
None listed
IARC:
None listed
NTP:
No information available
Mutagenicity:
None
Other:
Section 12: Ecological Information
Ecological studies have not been conducted for this product. The following information is available for
components of this product.
No information available.
Ecotoxicity:
This material will readily biodegrade in soil and aquatic environments.
Persistence / Degradability:
This material is not expected to bioconcentrate in aquatic organisms. BCF
Bioaccumulation / Accumulation:
estimated at 0.6.
This material has high mobility in soil.
Mobility in Environment:
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Product Name: MARYKATE?Crystal LakesTM Hull & Bottom Cleaner
Product Number (s): MK7320
Section 13: Disposal Considerations
This material, as packaged, is not a RCRA hazardous waste. (See 40 CFR Part 261.20 ?261.33)
Disposal:
Mixtures or solutions of this material should be tested for hazardous characteristics before disposal.
All disposal activities must comply with federal, state and local regulations. Local regulations may be more
stringent than state or national requirements.
Section 14: Transport Information
Proper shipping description:
Not Regulated
US DOT (ground):
None
Special Provisions:
Section 15: Regulatory Information
U.S. Federal
Toxic Substances Control Act (TSCA):
All ingredients are either listed on the TSCA inventory or are exempt.
Comprehensive Environmental Response, Compensation and Liability Act (CERCLA):
None
Reportable Quantities (RQ's) exist for the following ingredients:
Spills or releases resulting in the loss of any ingredient at or above its RQ require immediate notification to the
National Response Center (800-424-8802) and to your Local Emergency Planning Committee.
Superfund Amendments Reauthorization Act (SARA) Title III:
None
Section 302 Extremely Hazardous Substances (EHS):
No
Section 311/312 Hazard Categories: Fire Hazard
No
Reactive Hazard
No
Release of Pressure
Yes
Acute Health Hazard
No
Chronic Health Hazard
Section 313 Toxic Chemicals: This product contains the following substances subject to the reporting
requirements of Section 313 of Title III of the Superfund Amendments and
Reauthorization Act of 1986 and 40 CFR Part 372:
None
Clean Air Act:
None
Section 112 Hazardous Air Pollutants (HAPs):
Page 5 of 6
Product Name: MARYKATE?Crystal LakesTM Hull & Bottom Cleaner
Product Number (s): MK7320
Consumer Product Safety Act General Conformity Certification: This product was evaluated by CRC
Industries, Inc., and is certified to be in compliance with the provisions of the Consumer Product Safety Act,
the Federal Hazardous Substances Act and the Poison Prevention Packaging Act, as applicable. This product
was manufactured at the location listed in Section 1 of this MSDS. The date of manufacture is stamped on the
product container. No testing is required to certify compliance with the above-mentioned regulations.
State Regulations
California Safe Drinking Water and Toxic Enforcement Act (Prop 65):
This product may contain the following chemicals known to the state of
California to cause cancer, birth defects or other reproductive harm: None
State Right to Know:
144-62-7
New Jersey:
144-62-7
Pennsylvania:
144-62-7
Massachusetts:
144-62-7
Rhode Island :
None
Additional Regulatory Information:
Section 16: Other Information
NFPA: Health: 3 Flammability: 1 Reactivity: 0
HMIS: Health: 3 Flammability: 1 Reactivity: 0 PPE: B
Prepared By: Michelle Rudnick
CRC #: MK7320
Revision Date: 11/11/2008
Section 15: CPSA Certification added
Changes since last revision:
The information contained in this document applies to this specific material as supplied. It may not be valid for
this material if it is used in combination with any other materials. This information is accurate to the best of
CRC Industries' knowledge or obtained from sources believed by CRC to be accurate. Before using any
product, read all warnings and directions on the label.
CAS: Chemical Abstract Service NA: Not Applicable
ppm: Parts per Million ND: Not Determined
TCC: Tag Closed Cup NE: Not Established
PMCC: Pensky-Martens Closed Cup g/L: grams per Liter
PPE: Personal Protection Equipment lbs./gal: pounds per gallon
TWA: Time Weighted Average STEL: Short Term Exposure Limit
OSHA: Occupational Safety and Health Administration
ACGIH American Conference of Governmental Industrial Hygienists
NIOSH National Institute of Occupational Safety & Health
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