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MATERIAL SAFETY DATA SHEET |
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Revision: 1:1, 08/13/2003 |
Product name: Silwet L-77® surfactant
1. PRODUCT AND COMPANY IDENTIFICATION
| Product name: | Silwet L-77® surfactant | |
| Chemical name: | Polyalkyleneoxide Modified Heptamethyltrisiloxane | |
| Supplier: | GE Silicones 3500 South State Route 2 Friendly, WV 26146, USA |
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| Contact numbers: | CHEMTREC (24 hours): GE Silicones Emergency Response (24 hours): GE Silicones Emergency Response (24 hours): For Product Safety Inquiries: For MSDS only: Customer Service: |
800-424-9300 800-809-9998 304-926-8418 304-652-8446 304-652-8155 800-523-5862 |
2. COMPOSITION / INFORMATION ON INGREDIENTS
| Polyalkylencoxide modified Heptamethyltrisiloxane | 27306-78-1 | 84.0 % |
| Allyloxypolyethyleneglycol methyl ether | 27252-80-8 | 16.0 % |
Note(s): See Section 15 for chemicals appearing on Federal or State
Right-To-Know lists.
3. HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
WARNING!
AEROSOL HARMFUL IF INHALED.
CAUSES EYE IRRITATION.
VAPOR MAY CAUSE BLURRING OF VISION.
REPEATED INGESTION MAY CAUSE DAMAGE TO THE LIVER, KIDNEYS, THYROID, MALE AND FEMALE REPRODUCTIVE SYSTEM, AND BLOOD-FORMING SYSTEM.
REPEATED INHALATION OF AEROSOL OF THE NEAT LIQUID MAY CAUSE DAMAGE TO THE EYES,
BLOOD-FORMING SYSTEM,
KIDNEYS, THYMUS, RESPIRATORY TRACT, AND NASAL CAVITY.
4. FIRST AND MEASURES
Swallowing
If patient is fully conscious, give two glasses of water. Obtain medical
attention immediately.
Skin
Wash skin with soap and water. Obtain medical attention if
irritation persists.
Inhalation
Remove to fresh air if aerosol spray is inhaled. If breathing is
difficult, administer oxygen. Obtain medical attention immediately.
Eye contact
Immediately flush eyes with water and continue washing for at least 15
minutes. Obtain medical attention immediately.
Notes to physician
Severe eye irritant. There is no specific antidote. Treatment
of overexposure should be directed at the control of symptoms and the clinical
condition of the patient.
5. FIRE-FIGHTING MEASURES
| Flash point: | 116 ºC (240 ºF) |
| Flammable limits | |
| Lower limit: Upper limit |
Not available Not available |
Special fire fighting procedures
Do not direct a solid stream of water or foam into hot, burning pools:
this may cause frothing and increase fire intensity.
Special protective equipment for
firefighters
Self-contained breathing apparatus. Body covering protective
clothing.
| Extinguishing media | ||
| Suitable: | Large fires: | -alcohol-type foam or universal-type foams |
| Small fires: | -CO2 -dry chemical |
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| Unsuitable: | None | |
Unusual fire and explosion hazards
None known.
6. ACCIDENTAL RELEASE MEASURES
Personal precautions
Avoid contact with liquid and vapors. Wear suitable protective
equipment.
Environmental precautions
Avoid discharge to sewers or natural waters.
Methods for cleaning up
Cover with absorbent or contain.
Collect for disposal.
Observe government regulations.
7. HANDLING AND STORAGE
HANDLING
Handling precautions
Do not get in eyes, on skin, on clothing. Avoid breathing vapor,
aerosol and mist. Use with adequate ventilation.
Wash thoroughly after handling.
Other precautions
Consult the manufacture before using an aerosol of the neat liquid.
STORAGE
Storage requirements
Keep away from heat and flame. Keep container closed.
8. EXPOSURE CONTROLS / PERSONAL PROTECTION
PERSONAL PROTECTION
Respiratory protection
None expected to be needed when using an aqueous spray. Consult the
manufacturer for appropriate protection before using an aerosol of the neat
liquid.
Hand protection / protective
gloves
Recommended order of use:
4H
Butyl
Neoprene
Nitrile (NBR)
PVC-coated
Eye protection
Monogoggles
Skin protection
Chemical protective clothing
Other protective equipment
Eye bath
Safely shower
ENGINEERING CONTROLS
Ventilation
General mechanical room ventilation is satisfactory for normal handling
and storage operations. Special, local ventilation is needed at points
where vapors can be expected to escape to the workplace air.
EXPOSURE LIMITS
No exposure limits have been established.
9. PHYSICAL AND CHEMICAL PROPERTIES
APPEARANCE
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OTHER
PROPERTIES
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Stability: Stable
Stability - Conditions to avoid
None known
Incompatible materials
None currently known
Hazardous combustion products
Burning can produce the following combustion products:
Oxides of carbon
Oxides of silicon
Carbon monoxide is highly toxic if inhaled; carbon dioxide in sufficient
concentrations can act as an asphyxiant.
Acute overexposure to the products of combustion may result in irritation of
the respiratory tract.
Hazardous polymerization: Will not occur.
Hazardous polymerization -
Conditions to avoid
None known.
11. TOXICOLOGICAL INFORMATION
SWALLOWING
Acute effects
No evidence of harmful effects from available information.
Effects of repeated overexposure
Ingestion may cause:
-injury to the liver
-injury to the thyroid
-injury to the kidney
-injury to the bloodforming system
-injury to the male and female reproductive systems
| Test results | |
| Acute toxicity: | LD50 - Rat Result: > 2,000 mg/kg Remark: very low order of toxicity |
SKIN ABSORPTION
Acute effects
No evidence of harmful effects from available information.
Effects of repeated overexposure
May cause the following effects:
-skin irritation
| Test results | |
| Acute toxicity: | LD50 - Rat Result: > 2,000 mg/kg Remark: very low order of toxicity |
INHALATION
Acute effects
Harmful effects are not expected from static vapor at ambient
temperature. Inhalation of an aerosol of the neat material within a
confined space could result in respiratory distress and eye injury.
Effects of repeated overexposure
Aerosol may cause:
-damage to respiratory tract
-injury to the eyes
-injury to the nasal cavity
-injury to the bloodforming system
SKIN CONTACT
Acute effects
No evidence of harmful effects from available information.
| Test results | |
| Skin irritation: | Species: Rabbit Result: No irritation |
EYE CONTACT
Acute effects
Liquid splashed into the eye causes discomfort.
May cause the following effects:
-pain
-excess blinking
-tear production
-excess redness of the conjunctivae
-swelling of the conjunctivae
-iridal inflammation
These effects should resolve within two weeks.
Corneal injury may occur.
Prolonged exposure to vapor or aerosol may cause discomfort.
May cause the following effects:
-excess redness of the conjunctivae
-possibly swelling of the conjunctivae
-blurring of vision
These effects will resolve within a few hours.
| Test results | |
| Eye irritation: | Species: Rabbit Result: Severe irritation |
Medical conditions aggravated by
overexposure
A knowledge of the available toxicology information and of the physical
and chemical properties of the material suggests that overexposure is unlikely
to aggravate existing medical conditions.
Other effected of overexposure
No adverse effects anticipated from available information.
| SENSITIZATION | |
| Test result: | Species: - Guinea pigs Result: did not produce sensitization |
SIGNIFICANT DATA WITH POSSIBLE
RELEVANCE TO HUMAN HEALTH
This material was not mutagenic in an Ames bacterial assay or in three
mammalian test systems including the Chinese hamster ovary (CHO)/HGPRT gene
mutation assay, a micronucleus cytogenetic assay in mice, and an in vitro
mammalian cytogenetic test.
In a repeated skin application study with rats, this material caused
moderate skin irritation which resolved during a post-application recovery
period. There was no evidence for percutaneous cumulative or specific
organ toxicity, and no effect on male or female reproductive systems.
Finding from a 14-day dietary feeding study with rats show that high dosage
repeated ingestion of this material causes reversible adverse effects on the
male and female reproductive tracts. Additional effects seen include
increased liver weight, altered blood cytology/chemistry, and thyroid
enlargement (primarily hypertrophy, with some hyperplasia). Evidence of
partial or complete recovery was found over a 28-day recovery period.
Findings from a repeat 9-day aerosol inhalation toxicity study with rats show
a no-observable-effect-level (NOEL) of less than 0.025 mg/l. Symptoms of
toxicity included rales, gasping, ocular opacity, prostration, hypothermia,
reduced body weight gain and food consumption, changes in clinical pathology,
decreased thymus weight, and microscopic lesions in the nasal cavity.
There was no effect on the male or female reproductive systems. It is
not anticipated that the use of aqueous dilutions of this product would result
in this type of aerosol exposure.
12. ECOLOGICAL INFORMATION
This product is expected to be toxic to aquatic organisms. May cause long-term adverse effects in the aquatic environment.
| Biodegradation: | Remark: Not readily biodegradable |
| AQUATIC TOXICITY | |
| Acute toxicity fish: | -LC50 - Zebra fish Result: 2.75 mg/l Exposure time: 96 h Remark: Endpoint: Lethality |
| Acute toxicity fish: | -NOEC - Zebra fish Result: 0.56 mg/l Exposure time: 96 h |
| Aquatic toxicity to plants: | -EC50 - Green alga Result: 5.5 mg/l Inhibition of growth Exposure time: 96 h |
| Aquatic toxicity to plants: | -NOEC - Green alga Result: 1 mg/l Exposure time: 96 h |
| Microorganisms: | -MEC90 - Spirillum volutans Result: >200 uL/L Exposure time: 120 min Remark: (highest concentration tested) Uncoordinated mobility in 90 % of the population |
| Acute toxicity to aquatic invertebrates: | -EC50 - Daphnia magna Result: 22.61 mg/l Exposure time: 48 h Remark: Endpoint: Immobilization |
| Acute toxicity to aquatic invertebrates: | -NOEC - Daphnia magna Result: 10 mg/l Exposure time: 48 h |
13. DISPOSAL CONSIDERATIONS
| General: | Incinerate in a furnace where permitted under appropriate Federal, State, and local regulations. |
14. TRANSPORT INFORMATION
Dot Classification
This product is not regulated by DOT
Freight description road: OIL, O/T PETROLEUM, LUBRICATING, NOIBN
IMDG Classification
This product is not regulated by IMDG.
ICAO Classification
This product is not regulated by ICAO.
15. REGULATORY INFORMATION
Comprehensive Environmental
Response Compensation and Liability Act of 1980 (CERCLA) requires notification
of the National Response Center of release of quantities of hazardous
substances equal to or greater than the reportable quantities (RQ's) in
40CFR302.4.
Components present in this product at a level which could require
reporting under the statue are:
**** NONE ****
Superfund Amendments and
Reauthorization Act of 1986 (SARA) Title III requires emergency planning based
on Threshold Planning Quantities (TPQ's) and release reporting based on
Reportable Quantities (RQ's) in
40CFR355 (used for SARA 302 and 304).
Components present in this product at a level which could require
reporting under the statute are:
**** NONE *****
Superfund Amendments and Reauthorization
Act of 1986 (SARA) Title III requires submission of annual reports of release
of toxic chemicals that appear in 40CFR372 (for SARA 313). This
information must be include in MSDS's that are copied and distributed for this
material.
Components present in this product at a level which could require
reporting under the statute are:
**** NONE ****
Massachusetts Right-To-Know
Substance List (MSL)--Hazardous Substances and Extraordinarily Hazardous
Substances on the MSL must be identified when present in products.
Components present in this product at a level which could require
reporting under the statute are:
**** NONE ****
Pennsylvania Right-To-Know
Hazardous Substance List--Hazardous Substances and Special Hazardous
Substances on the list must be identified when present in products.
Components present in this product at a level which could require
reporting under the statute are:
**** NONE ****
EPA Hazard Categories (SARA 311, 312): Immediate Health Hazard, Delayed Health Hazard
California Proposition 65
This product contains no levels of listed substances, which the State of
California has found to cause cancer, birth defects or other reproductive
harm, which would require a warning under the statute.
California SCAQMD Rule 443.1 VOC's
Volatile Organic Components (VOC's) = Substances with vapor pressure of
=> 0.5 mmHg at 104 ºC (219.2 ºF).
This product contains 29.8 g/liter VOC's.
| CHEMICAL INVENTORY | |
| Canada: | The ingredients of this product are on the DSL. |
| Europe: | The ingredients of this mixture are on the EINECS inventory. |
| United States: | The components of this product are listed on the TSCA inventory or are exempt. |
| Australia: | This product, or the components, is listed or exempt from listing on the Australian Inventory of Chemical Substances (AICS). |
| Japan: | This product, or the components, is listed or exempt from listing on the Existing and New Chemical Substances (ENCS) list. |
| Korea: | The components of this product are listed on the Existing Chemicals List (ECL). |
| Philippines: | This product, or the components, is listed or exempt from listing on the Philippines Inventory of Chemicals and Chemical Substances (PICCS). |
16. OTHER INFORMATION
RECOMMENDED USES AND RESTRICTIONS
Please consult the product and/or application information bulletins for this
product.
HMIS
RATING
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LEGEND
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The opinions expressed herein are those of qualified experts within GE Silicones. We believe that the information contained herein is current as of the date of this Safety Data Sheet. Since the use of this information and of these opinions and conditions of use of this product are not within the control of GE Silicones, it is the user's obligation to determine the conditions of safe use of the products.