MATERIAL SAFETY DATA SHEET
PERMAPOL P875 DLC?A
Date Revised: June 23, 2000
Page 1 of 4
SECTION I - PRODUCT AND COMPANY IDENTIFICATION
HMIS RATING
TRADE NAME: Permapol P875 DLC-A HEALTH 1
CHEMICAL NAME: Mercaptan terminated polythioether polymer on silicon dioxide FLAMMABILITY 1
REACTIVITY 0
Company: NATROCHEM, INC.
P.O. Box 1205
Savannah, GA 31402-1205
Telephone Numbers:
Transportation Emergencies:
CHEMTREC (U.S.A.): (800) 424-9300 (24 hours)
CHEMTREC (International): (202) 483-7616 (24 hours, call collect)
Product Information: (912) 236-4464 (EST, 8:00AM ?4:00PM M-F)
SECTION II - COMPONENTS
COMPONENT NAME CAS# PEL TLV TWA
Silicon Dioxide 7631-86-9 N/DA N/DA 6mg/m3 (OSHA)
10mg/m3 (ACGIH)
Mercaptan Terminated Polythioether
polymer 119147-78-3 N/DA N/DA N/DA
Dimercapto diethyl sulfide 3570-55-6 N/E N/E N/E
SECTION III - PHYSICAL DATA
Boiling Point: N/A Specific Gravity: 1.315 (Calculated)
Vapor Pressure (mm Hg): N/A Percent Volatiles: 0.0
Vapor Density (Air = 1): Heavier than air Evaporation Rate: Unavailable
Solubility in Water: Negligible
Appearance and Odor: Tan, free-flowing powder with characteristic odor.
SECTION IV - FIRE & EXPLOSION DATA
FLASH POINT (Method Used): Not flammable
FLAMMABLE LIMITS: N/DA
AUTOIGNITION TEMPERATURE: N/DA
EXTINGUISHING MEDIA: Dry chemical, CO2, foam, or water spray
SPECIAL FIRE FIGHTING PROCEDURES: Use complete personal protection including air supplied respirator.
Use water to cool heat exposed containers.
UNUSUAL FIRE & EXPLOSION HAZARDS: None known.
SECTION V - HEALTH HAZARD DATA
CHRONIC HEALTH EFFECTS: An epidemiological study was conducted which included 165 precipitated
silica workers who had been exposed for an average of 18 years. No adverse effects were noted in
complete medical examination (including chest roentgenograms) of these workers. Pulmonary function
decrements were correlated only with smoking and age but not with the degree or duration of dust
exposure. Laboratory studies have also been conducted in small animals via inhalation to levels of
precipitated silica dust of up to 126 mg/m3 for periods from six months to two years. Although
precipitated silica was temporarily deposited in the animal's lungs, most of the deposited material was
cleared soon after the dust exposure ended. The results of all studies performed by, or known to, PPG
indicate a very low order of pulmonary activity for synthetic precipitated silica.
PERMAPOL P875 DLC-A NATROCHEM MSDS PAGE 2 OF 4
SECTION V - HEALTH HAZARD DATA (cont)
PRIMARY ROUTE OF ENTRY- Inhalation
CHEMICAL LISTED AS CARCINOGEN OR POTENTIAL CARCINOGEN: None
NTP: No IARC: No OSHA: No
TOXICITY: LD50 LC50
Silicon Dioxide acute oral >5g/kg Acute Inhalation: Nuisance dust
Dimercapto Diethyl Sulfur toxic oral (rats) 164 mg/kg
EFFECTS OF EXPOSURE-
EYES- Mildly irritating. Excessive contact with powder can cause drying of mucous membranes of eyes
due to absorption of moisture and oils.
SKIN- Mildly irritating.
INHALATION- Nuisance dust. Excessive contact with powder can cause drying of mucous membranes of
nose and throat due to absorption of moisture and oils. This material can also cause nasal irritation and
nosebleeds.
INGESTION- Not significantly toxic.
MEDICAL CONDITIONS AGGRAVATED BY EXPOSURE- Persons with breathing problems or lung disease
should not work in dusty areas unless a physician approves and certifies their fitness to wear respiratory
protection.
SECTION VI - EMERGENCY & FIRST AID PROCEDURES
EYE CONTACT: Immediately rinse with clean water for 15 minutes. Retract eyelids often. If irritation
persists, seek medical attention.
SKIN CONTACT: Immediately remove contaminated clothing. Wash skin thoroughly with mild soap and
water. Flush with lukewarm water for 15 minutes. Seek medical attention if ill effect or irritation develops.
INHALATION: If overcome by exposure, remove victim to fresh air. If symptoms are present, consult a
physician.
INGESTION: Dilute by drinking large quantities of water. Consult a physician.
SECTION VII - REACTIVITY DATA
STABILITY: Stable.
MATERIALS TO AVOID- Avoid alteration of product properties before reuse. Calcining, which may result
in crystalline formation or mixing with additives may alter toxicological properties. Acids, acidic salts,
bases, oxidizing agents.
CONDITIONS TO AVOID- Avoid high temperatures (>800?C) treatment.
HAZARDOUS DECOMPOSITION PRODUCTS: Oxides of carbon, phenol and formaldehyde vapors when
burned.
HAZARDOUS POLYMERIZATION: Will not occur.
PERMAPOL P875 DLC-A NATROCHEM MSDS PAGE 3 OF 4
SECTION VIII - SPILL OR LEAK PROCEDURES
STEPS TO BE TAKEN IN CASE MATERIAL IS RELEASED OR SPILLED: MINIMIZE SPILL AREA. Vacuum
spill material and place in closed plastic bags for disposal. Prevent runoff from entering drains, sewers, or
streams.
WASTE DISPOSAL METHOD: In accordance with local, state, and federal regulations.
SECTION IX - SPECIAL PROTECTION INFORMATION
RESPIRATORY PROTECTION: Use a respirator such as 3M 9900 or equivalent for protection against
pneumoconiosis producing dusts.
VENTILATION: Provide explosion proof ventilation as required to control airborne dust levels. The sum
total of all ingredients may emit vapors during normal processing. All possible health effects are not known
and individual sensitivities will vary. Effective exhaust ventilation should always be provided to draw dust,
fumes and vapors away from workers to prevent routine inhalation. Ventilation should be adequate to
maintain ambient workplace atmosphere below the limits listed in Section V.
PROTECTIVE GLOVES: Impervious gloves to protect against contact with product.
EYE PROTECTION: Safety goggles.
OTHER PROTECTIVE EQUIPMENT: Protective clothing, eye wash station, safety shower.
SECTION X - SPECIAL PRECAUTIONS
HANDLING AND STORAGE: Handling can create explosive dust clouds. Eliminate ignition sources, use
explosive proof equipment. Conveying and processing equipment should be spark-proof, well bonded and
grounded. Avoid dust accumulations.
OTHER PRECAUTIONS: Wash with soap and water before eating, drinking, smoking, or using toilet
facilities. Launder contaminated clothing before reuse.
SECTION XI - REGULATORY INFORMATION
TOXIC SUBSTANCE CONTROL ACT (TSCA):
The components of this product are contained on the Inventory of the Toxic Substance Control Act.
CHEMICAL INVENTORIES:
OSHA:
The component(s) listed below is identified as a hazardous chemical under the criteria of the OSHA Hazard
Communication Standard (29 CFR 1910.1200).
AMOUNT ACGIH OSHA
INGREDIENT (TLV) (PEL) UNITS
Silicon Dioxide 28% 10 6 mg/m3
PERMAPOL P875 DLC-A NATROCHEM MSDS PAGE 4 OF 4
SECTION XI - REGULATORY INFORMATION (Cont.)
SARA 313 TOXIC CHEMICALS:
This product contains the following toxic chemical(s) subject to the reporting requirements of Section 313
of Title III of the Superfund Amendments and Reauthorization Act of 1986 and the Pollution Prevention Act
of 1990.
CAS REGISTRY # CHEMICAL NAME PERCENT BY WEIGHT
None.
This information must be included in all MSDS' that are copied and distributed for this material.
SECTION 311/312 - HAZARD CATEGORIES:
The physical and health hazard categories for the hazardous components exceeding the de minimis amount
subject to reporting under Section 313 of the Emergency Planning and Community Right-to-Know Act of
1986 and of 40 CFR 372
Name of Chemical Hazard Percent in Product
Silicon Dioxide Acute 28%
ADDITIONAL RIGHT-TO-KNOW INFORMATION ON COMPONENTS:
None Known.
TRANSPORTATION INFORMATION:
DOT Shipping Name: Not regulated by D.O.T.
DOT Identification Number:
SECTION XII - OTHER INFORMATION
Revision Note: Added CHEMTREC information.
Prepared by: James L. Pye, Jr.
Title: Safety Coordinator
N/A = Not applicable N/D = Not determined N/DA = No Data Available N/E = Not established
The information given in this MSDS was obtained from sources which we believe are reliable. However,
since data, safety standards, and government regulations are subject to change and the conditions of
handling and use, or misuse are beyond our control, Natrochem, Inc. makes no warranty express or implied,
with respect to the completeness or continuing accuracy of the information contained herein and disclaims
all liability for reliance thereon.
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